ICT

Question 1 of 180

1

1. What is the number one concern about cloud computing?

Select one or more of the following:

• Too expensive
• Security concerns
• Too many platforms
• Accessibility

Explanation

Question 2 of 180

1

2. Google Docs is a type of cloud computing

Select one of the following:

True
False

Explanation

Question 3 of 180

1

3. Which one of these is not a cloud computing pricing model

Select one or more of the following:

• Pay Per Use
• Subscription
• Ladder
• Perpetual License

Explanation

Question 4 of 180

1

4. Which of these is not a major type of cloud computing usage

Select one or more of the following:

• Hardware as a service
• Platform as a service
• Software as a service
• Infrastructure as a service

Explanation

Question 5 of 180

1

5. An Internet connection is necessary for cloud computing interaction

Select one or more of the following:

True
False

Explanation

Question 6 of 180

1

6. “Cloud” in cloud computing represents what

Select one or more of the following:

Wireless
Hard drives
People
Internet

Explanation

Question 7 of 180

1

7. Which of these should a company consider before implementing cloud computing technology. I: Employee satisfaction, II: Potential cost reduction, III: Information sensitivity

Select one or more of the following:

• Only I
• Only II
• Only III
• I, II, and III

Explanation

Question 8 of 180

1

8. What exactly is cloud computing

Select one or more of the following:

• A way to organize desktop computers
• Lightweight software that takes up little space on a hard drive
• Computing resources that can be accessed on demand, like electricity from a utility
• The World Wide Web

Explanation

Question 9 of 180

1

9. What widely used service is built on cloud-computing technology? I: Twitter, II: Skype, III: Gmail, IV: YouTube.

Select one or more of the following:

• Only I
• Only II
• Only III and I
• I, II, III and IV

Explanation

Question 10 of 180

1

10. Cloud computing embraces many concepts that were previously touted as the next big thing in information technology. Which of these is not an antecedent(предшествующее) of the cloud?

Select one or more of the following:

• Utility computing
• Remote hosted services
• Grid computing
• Desktop computing

Explanation

Question 11 of 180

1

11. What does SQL stand for

Select one or more of the following:

• Structured Query Language
• Strong Question Language
• Structured Question Language
• Structured Querty Language

Explanation

Question 12 of 180

1

12. Which SQL statement is used to extract data from a database?

Select one or more of the following:

• Select
• GET
• OPEN
• Extract

Explanation

Question 13 of 180

1

13. Computerized representations of models and attributes of real or simulated entities are?

Select one or more of the following:

• Data
• Knowledge
• Information
• Database

Explanation

Question 14 of 180

1

14. Representation of the results of a computational process, such as statistical analysis, or the transcripts of some meanings assigned by human beings is

Select one or more of the following:

• Data
• Knowledge
• Information
• Database

Explanation

Question 15 of 180

1

15. Representation of the results of a computer-simulated cognitive process, such as perception, learning, association, and reasoning is

Select one or more of the following:

• Data
• Knowledge
• Information
• Database

Explanation

Question 16 of 180

1

16. Continuous representation, similar to the actual information it represents is

Select one or more of the following:

• Analog data
• Digital data
• Continuous data
• Discrete data

Explanation

Question 17 of 180

1

17. A discrete representation, breaking the information up into separate(discrete) elements is

Select one or more of the following:

• Analog data
• Digital data
• Continuous data
• Discrete data

Explanation

Question 18 of 180

1

18. Two bits can represent

Select one or more of the following:

• Four things
• Two things
• Eight things
• Ten things

Explanation

Question 19 of 180

1

19. The extended version of the ASCII character set is not enough for international use

Select one or more of the following:

• Unicode
• Barcode
• EBCDIC
• Binary code

Explanation

Question 20 of 180

1

20. The Unicode character set uses _________ per character

Select one or more of the following:

• 16 bits
• 8 bits
• 4 bits
• 32 bits

Explanation

Question 21 of 180

1

21. The first 256 characters in the Unicode character set correspond exactly to the extended ASCII character set

Select one or more of the following:

True
False

Explanation

Question 22 of 180

1

22. List the levels of computer systems from top to down

Select one or more of the following:

• users, application software, operating system software, and the hardware system
• application software, operating system software, users, and the hardware system
• application software, users,operating system software, and the hardware system
• hardware system, operating system software, application software, and users

Explanation

Question 23 of 180

1

23. List the levels of computer systems from bottom to up

Select one or more of the following:

• users, application software, operating system software, and the hardware system
• application software, operating system software, users, and the hardware system
• application software, users,operating system software, and the hardware system
• hardware system, operating system software, application software, and users

Explanation

Question 24 of 180

1

24. Which software refers to application software?

Select one or more of the following:

• Microsoft Word
• Microsoft Windows
• Unix
• Mac OS

Explanation

Question 25 of 180

1

25. Which software refers to application software?

Select one or more of the following:

• Internet Explorer
• Microsoft Windows
• Unix
• Mac OS

Explanation

Question 26 of 180

1

26. Which software refers to application software?

Select one or more of the following:

• Macromedia Dreamweaver
• Microsoft Windows
• Unix
• Mac OS

Explanation

Question 27 of 180

1

27. Which software refers to application software?

Select one or more of the following:

• Adobe Acrobat Reader
• Microsoft Windows
• Unix
• Mac OS

Explanation

Question 28 of 180

1

28. Which software refers to system software?

Select one or more of the following:

• Macromedia Dreamweaver
• Microsoft word
• Internet Explorer
• Microsoft Windows

Explanation

Question 29 of 180

1

29. Which software refers to system software?

Select one or more of the following:

• Macromedia Dreamweaver
• Microsoft word
• Internet Explorer
• Unix

Explanation

Question 30 of 180

1

30. Which software refers to system software?

Select one or more of the following:

• Macromedia Dreamweaver
• Microsoft word
• Internet Explorer
• Mac OS

Explanation

Question 31 of 180

1

31. What is the master controller for all activities that take place within a computer

Select one or more of the following:

• Operating System
• Application Software
• DBMS
• Word processor

Explanation

Question 32 of 180

1

32. What does send data from a computer over a network, and collects incoming data sent by other computers

Select one or more of the following:

• A network interface card (NIC)
• A modem
• Phone line or cable
• Internet service provider

Explanation

Question 33 of 180

1

33. What is a device that enables data from a computer to be transmitted via phone lines or television cable lines to reach other computers on the Internet?

Select one or more of the following:

• A network interface card (NIC)
• A modem
• Phone line or cable
• Internet service provider

Explanation

Question 34 of 180

1

34. What was the first computer prototype used vacuum tubes?

Select one or more of the following:

• ENIAC
• Analytical Engine
• Abacus
• Hollerith Tabulating Machine

Explanation

Question 35 of 180

1

35. What is the main component that executes instructions stored in the main memory?

Select one or more of the following:

• Microprocessor
• Main memory
• Storage device
• Peripheral

Explanation

Question 36 of 180

1

36. What does store instructions to be executed by the microprocessor?

Select one or more of the following:

• Microprocessor
• Main memory
• Storage device
• Peripheral

Explanation

Question 37 of 180

1

37. What do store data permanently even when the computer is turned off?

Select one or more of the following:

• Microprocessor
• Main memory
• Storage device
• Peripheral

Explanation

Question 38 of 180

1

38. What enable data input and output?

Select one or more of the following:

• Microprocessor
• Main memory
• Storage device
• Peripheral

Explanation

Question 39 of 180

1

39. What acts as the traffic cop controlling the flow of data and coordinating interactions among components in the system?

Select one or more of the following:

• Microprocessor
• Main memory
• Storage device
• Chipset

Explanation

Question 40 of 180

1

40. What does provide sockets for microprocessor and memory chips, slots for circuit boards, and the circuitry that enable electrical signals to travel from component to component?

Select one or more of the following:

• Motherboard
• Power supply
• Microprocessor
• Chipset

Explanation

Question 41 of 180

1

41. What does provide electrical power to the computer system?

Select one or more of the following:

• Motherboard
• Power supply
• Microprocessor
• Chipset

Explanation

Question 42 of 180

1

42. What does process instructions stored in main memory?

Select one or more of the following:

• Motherboard
• Power supply
• Microprocessor
• Chipset

Explanation

Question 43 of 180

1

43. What does serve as a socket on the motherboard into which an expansion card maybe inserted?

Select one or more of the following:

• Expansion slot
• Motherboard
• Power supply
• Microprocessor

Explanation

Question 44 of 180

1

44. What does enable a computer to control peripheral devices such as the monitor and the microphone?

Select one or more of the following:

• Expansion card
• Motherboard
• Power supply
• Microprocessor

Explanation

Question 45 of 180

1

45. What does control data flow among components?

Select one or more of the following:

• Chipset
• Motherboard
• Power supply
• Microprocessor

Explanation

Question 46 of 180

1

46. What does transfer data from storage devices to the motherboard?

Select one or more of the following:

• IDE (Integrated Drive Electronics) cable
• Motherboard
• Power supply
• Microprocessor

Explanation

Question 47 of 180

1

47. What does store data permanently (even after the computer is turned off)?

Select one or more of the following:

• Disk drives
• Motherboard
• Power supply
• Microprocessor

Explanation

Question 48 of 180

1

48. What step of the fetch-execute cycle enables the control unit of the CPU to decode the instruction and direct the necessary data to be moved from memory to the ALU?

Select one or more of the following:

• Interpret
• Fetch
• Execute
• Store

Explanation

Question 49 of 180

1

49. What science studies how to refine the design of products to optimize them for human use?

Select one or more of the following:

• Ergonomics
• HCI
• Economics
• ICT

Explanation

Question 50 of 180

1

50. What DOS command is used to change the working directory?

Select one or more of the following:

• сd
• md
• rd
• ren

Explanation

Question 51 of 180

1

51. What DOS command is used to make a new directory?

Select one or more of the following:

• cd
• md
• rd
• ren

Explanation

Question 52 of 180

1

52. What DOS command is used to remove an existing empty directory?

Select one or more of the following:

• cd
• md
• rd
• ren

Explanation

Question 53 of 180

1

53. What DOS command is used to rename a file within a directory?

Select one or more of the following:

• cd
• md
• rd
• ren

Explanation

Question 54 of 180

1

54. The BIOS initiates the POST (Power-On Self Test) sequence

Select one or more of the following:

• True
• False

Explanation

Question 55 of 180

1

55. The BIOS enables the video card

Select one or more of the following:

• True
• False

Explanation

Question 56 of 180

1

56. The BIOS counts and tests memory

Select one or more of the following:

• True
• False

Explanation

Question 57 of 180

1

57. The BIOS checks for expansion cards and adapters and initializes them

Select one or more of the following:

• True
• False

Explanation

Question 58 of 180

1

58. The BIOS follows a search order to find the Master Boot Record

Select one or more of the following:

• True
• False

Explanation

Question 59 of 180

1

59. Interrupt Handler saves contents of registers before it saves the register for its own purposes

Select one or more of the following:

• True
• False

Explanation

Question 60 of 180

1

60. Interrupts can nest infinitely (гнездиться бесконечно)

Select one or more of the following:

• True
• False

Explanation

Question 61 of 180

1

61. Interrupt Handler accepts the byte of incoming data

Select one or more of the following:

• True
• False

Explanation

Question 62 of 180

1

62. Interrupt Handler places the byte in a storage area

Select one or more of the following:

• True
• False

Explanation

Question 63 of 180

1

63. Interrupt handler cannot be interrupted by a higher priority interrupt

Select one or more of the following:

• True
• False

Explanation

Question 64 of 180

1

64. Interrupt handler transfers control back to previous task

Select one or more of the following:

• True
• False

Explanation

Question 65 of 180

1

65. Which of the following are common behaviors of computer viruses? I. Self-replication; II. Infliction of physical damage to the computer's hardware; III Unwarranted file removal

Select one or more of the following:

• I and II only
• II and III only
• I and III only
• I, II, and III

Explanation

Question 66 of 180

1

66. Which of the following computer attack methods does not require a hardware or software tool?

Select one or more of the following:

• Port scanning
• Social engineering
• Spoofing
• Packet sniffing

Explanation

Question 67 of 180

1

67. What does a packet sniffer do?

Select one or more of the following:

• Captures data packets that are transmitted through a network
• Renders a computer network unusable
• Causes one computer to impersonate another
• Converts encrypted passwords to plain text

Explanation

Question 68 of 180

1

68. A computer attack that uses handler computers to control agent computers to attack a target computer is known as a _____ attack.

Select one or more of the following:

• Smurf
• SYN
• network connectivity
• distributed denial of service

Explanation

Question 69 of 180

1

69. Attacking a computer by sending it an excessive number of email messages is known as

Select one or more of the following:

• Smurfing
• Spoofing
• Spamming
• Pinging

Explanation

Question 70 of 180

1

70. With respect to security on the Internet, what is the purpose of digital signatures?

Select one or more of the following:

• To verify the identity of a message sender
• To request receipts for all sent messages
• To post anonymous messages to bulletin boards
• To encrypt mail messages

Explanation

Question 71 of 180

1

71. One of the most common applications of encryption is transmitting data securely over the Web is ______

Select one or more of the following:

• the Secure Socket Layer (SSL)
• a Trojan horse
• e-mail
• a simple substitution code

Explanation

Question 72 of 180

1

72. Which encryption method uses a pair of digital keys?

Select one or more of the following:

• Active-X
• SSL
• Public key encryption
• S-HTTP

Explanation

Question 73 of 180

1

73. Which of the following reasons is (are) valid for why "IITU" is a bad password? I. It is a word from the dictionary; II It does not contain numbers and symbols; III. It is the name of an institution

Select one or more of the following:

• I and II only
• II and III
• I, II, and III
• I and III only

Explanation

Question 74 of 180

1

74. Embedding different types of data, such as sound and graphics, within Internet electronic mail requires which of the following formats to be used for encoding the data?

Select one or more of the following:

• TCP/IP
• GIF
• MIME
• Encryption

Explanation

Question 75 of 180

1

75. ISPs can be accessed by which of the following ways? I. Telephone lines II. Cable television systems III. Personal satellite dishes

Select one or more of the following:

• I only
• I and II only
• I, II, and III
• II only

Explanation

Question 76 of 180

1

76. The numbers in IP addresses are separated by

Select one or more of the following:

• points
• periods
• colons
• commas

Explanation

Question 77 of 180

1

77. What knits the Internet together and allows data to travel smoothly over the communications links provided by NSPs worldwide?

Select one or more of the following:

• FTP
• TCP/IP
• HTTP
• URL

Explanation

Question 78 of 180

1

78. What networks are useful in environments where wiring is difficult to install?

Select one or more of the following:

• Twisted pair
• Coaxial
• Wirefree
• Wireless

Explanation

Question 79 of 180

1

79. What top-level domain belongs to computers in the category of commercial businesses?

Select one or more of the following:

• bus
• com
• org
• bsn

Explanation

Question 80 of 180

1

80. An IP address is a set of four numbers between 0 and

Select one or more of the following:

• 128
• 24
• 16
• 255

Explanation

Question 81 of 180

1

81. What top-level domain belongs to computers in the category of networks and ISPs?

Select one or more of the following:

• adm
• int
• net
• html

Explanation

Question 82 of 180

1

82. What top-level domain belongs to computers in the category of professional and nonprofit organizations?

Select one or more of the following:

• com
• npo
• org
• edu

Explanation

Question 83 of 180

1

83. Which of the following is (are) true about thick and thin clients in a client-server system? I. Thin clients perform relatively little work. II.A Web browser is an example of a thick client. III.A handheld computer is a typical example of a thin client.

Select one or more of the following:

• I and III only
• I, II, and III
• III only
• I only

Explanation

Question 84 of 180

1

84. When you send an email to someone, it is sent to

Select one or more of the following:

• the sender's email server
• the sender's email client
• the recipient's computer
• the recipient's email server

Explanation

Question 85 of 180

1

85. Using a(n) _____ protocol, the sender and the receiver are synchronized by a signal called a clock

Select one or more of the following:

• synchronous
• asynchronous
• analog
• block

Explanation

Question 86 of 180

1

86. The bandwidth (пропускная способность) of a(n) _____ signal is usually measured in bits per second.

Select one or more of the following:

• video
• digital
• satellite
• analog

Explanation

Question 87 of 180

1

87. What type of cable is typically used to carry cable television signals because its high capacity allows it to carry signals for more than 100 television channels simultaneously?

Select one or more of the following:

• BNC
• STP
• UTP
• Coaxial

Explanation

Question 88 of 180

1

88. A communications _____ is a physical path or frequency for a signal transmission.

Select one or more of the following:

• band
• channel
• protocol
• bridge

Explanation

Question 89 of 180

1

89. Which of the following terms represents the transmission capacity of a communications channel?

Select one or more of the following:

• Indexing
• Frequency
• Bandwidth
• Resolution

Explanation

Question 90 of 180

1

90. Which of the following are commonly used network topologies? I.Star II. Ring III.Modems

Select one or more of the following:

• I and II only
• III only
• II and III only
• I and III only

Explanation

Question 91 of 180

1

91. When two devices communicate, they must agree on protocols for I.starting and ending a transmission II.recognizing transmission errors III.determining the rate of data transmission

Select one or more of the following:

• II and III only
• I and II only
• I, II, and III
• I and III only

Explanation

Question 92 of 180

1

92. Modems transfer data between computers by converting between

Select one or more of the following:

• analog and digital
• Ethernet and digital
• video and sound
• analog and Ethernet

Explanation

Question 93 of 180

1

93. Which of the following are potential communications links? I. Telephone wiring II. Fiber-optic cable III. Satellite

Select one or more of the following:

• I and II only
• II only
• I, II, and III
• III only

Explanation

Question 94 of 180

1

94. What kind of waves provides wireless transmission for mobile communications, such as cellular telephones, and for stationary communications where it is difficult or impossible to install cabling, such as in remote, geographically rugged regions?

Select one or more of the following:

• Infrared
• Radio
• UTP
• Line-of-sight

Explanation

Question 95 of 180

1

95. Which of the following are protocols associated with Internet email? I.SMTP II.POP III. FTP

Select one or more of the following:

• I and III only
• I and II only
• I, II, and III
• II and III only

Explanation

Question 96 of 180

1

96. Which of the following services may be provided by an ISP? I. A temporary IP address II. An account on the ISP's email server III. Web hosting of the customer's Web page

Select one or more of the following:

• II and III only
• I, II, and III
• I and II only
• I and III only

Explanation

Question 97 of 180

1

97. What is a backbone provider (also known as a Network Service Provider)?

Select one or more of the following:

• A group of small providers that work together to provide Internet access
• Any company that provides Web-based services
• A provider of national and international network links for the Internet
• The largest provider of Internet access within a particular region

Explanation

Question 98 of 180

1

98. With respect to the Internet, routers are used to connect

Select one or more of the following:

• a computer and a modem
• a computer to the Internet
• any two computers
• different networks of computers

Explanation

Question 99 of 180

1

99. With respect to the Internet, companies need to register a unique domain name when

Select one or more of the following:

• buying a new modem
• establishing an electronic commerce Web site
• buying a new computer
• connecting a new computer to the Internet

Explanation

Question 100 of 180

1

100. Which of the following are tasks performed by a Web browser? I. Sending a request for a specific file to a server II. Formatting and displaying a file received from a server III. Sending additional requests to the server to retrieve any graphics elements such as icons or images for a requested file

Select one or more of the following:

• I, II, and III
• I and III only
• II and III only
• I and II only

Explanation

Question 101 of 180

1

101. What is the protocol used to transfer Web pages?

Select one or more of the following:

• html
• http
• udp
• ftp

Explanation

Question 102 of 180

1

102. What is the name of the Internet protocol used to make sure messages are reliably transmitted and received by the destination computer?

Select one or more of the following:

• TCP
• ISP
• IP
• POP

Explanation

Question 103 of 180

1

103. The World Wide Web is

Select one or more of the following:

• the same as the Internet
• a software package
• a client/server application program used to access the Internet
• a collection of Web servers throughout the world

Explanation

Question 104 of 180

1

104. When a fully explicit URL such as http://www.iitu.kz is provided to an Internet browser, "http" refers to the name of the

Select one or more of the following:

• domain where the Web server resides
• language in which the page is written
• Web server containing the Web page
• protocol used to perform the operation

Explanation

Question 105 of 180

1

105. IP host addresses on the Internet are composed of which of the following?

Select one or more of the following:

• A 24-bit number
• A single decimal number ranging from 0 to 255
• Four decimal numbers ranging from 0 to 255
• Any number of lowercase alphanumeric characters

Explanation

Question 106 of 180

1

106. After gaining access to a computer system, hackers will typically do which of the following? I. Set up control for further attacks II.Take, alter, or delete data III. Use the computer system resources

Select one or more of the following:

• I, II, and III
• II and III only
• I and II only
• II only

Explanation

Question 107 of 180

1

107. Which of the following is (are) true regarding network bandwidth attacks? I.They can be used to launch a denial of service attack. II.They can cause a Web site to become unavailable. III.They work by flooding a network with traffic.

Select one or more of the following:

• I and II only
• II and III only
• I, II, and III
• I and III only

Explanation

Question 108 of 180

1

108. Which of the following computer attacks is spoofing?

Select one or more of the following:

• Using a program to decrypt passwords
• Monitoring a network to intercept data
• Using one computer to impersonate another
• Accessing an unprotected port on a computer

Explanation

Question 109 of 180

1

109. The method of cracking a password by trying all possible alphanumeric combinations is known as a _____ attack

Select one or more of the following:

• port scanning
• dictionary
• brute force
• man-in-the-middle

Explanation

Question 110 of 180

1

110. After loading a word processor document from a floppy, a user's computer begins to show symptoms of being infected by a virus.Which of the following is true concerning this situation?

Select one or more of the following:

• The document text could have contained an embedded virus.
• The word processing program checks all documents for viruses before using them, so the source the virus was not the document.
• A document cannot contain a virus, so the source of the virus was not the word processing document.
• The document could have contained a macro that contained a virus.

Explanation

Question 111 of 180

1

111. Which of the following is email spoofing?

Select one or more of the following:

• Sending large amounts of unsolicited email
• Sending viruses through email
• Modifying an email header to fake the email source
• Intercepting email by monitoring a network

Explanation

Question 112 of 180

1

112. Which of the following is (are) true regarding a Smurf attack? I.It can use the ping command to perform the attack.II.It allows a hacker to steal data from a computer.III.It uses other computers on a network to attack a single computer

Select one or more of the following:

• II and III only
• I and III only
• I and II only
• I, II, and III

Explanation

Question 113 of 180

1

113. Which of the following consequences of executing a virus on a PC is (are) possible? I.Files appear to be missing or deleted from the hard disk. II.Either the PC system board or a disk drive is physically damaged. III.There is low computer memory on disks.

Select one or more of the following:

• II and III only
• I only
• I and III only
• I, II, and III

Explanation

Question 114 of 180

1

114. Which of the following is (are) true regarding computer security attacks? I. Hackers can cause home computers to attack other computers. II. Organizations typically experience more computer security breaches from internal personnel than from people external to the organization.

Select one or more of the following:

• I only
• II only
• None
• I and II √

Explanation

Question 115 of 180

1

115. Which of the following is (are) true regarding network connectivity attacks? I. A network connectivity attack can be achieved by generating numerous half-open connections to the target computer. II. A network connectivity attack can be achieved by generating excessive amount of traffic on the target network.

Select one or more of the following:

• I and II
• None
• I only
• II only

Explanation

Question 116 of 180

1

116. Which of the following can be used to prevent social engineering attacks? I. Verifying identities of people requesting sensitive information II. Using data encryption III. Being aware of computer fraud schemes

Select one or more of the following:

• II and III only
• I, II, and III
• I and III only
• III only

Explanation

Question 117 of 180

1

117. Which of the following is (are) true about encryption of data? I.Given the high speed and low cost CPUs available, even the most complex encrypted data is not entirely safe for a long period of time. II.The more bits in the key of the encryption algorithm, the harder it is to break the encryption. III.In public key encryption, the sender and the receiver of encrypted data both use the same key value to encrypt and decrypt the data.

Select one or more of the following:

• I and III only
• I, II, and III
• II and III only
• I and II only

Explanation

Question 118 of 180

1

118. How does a receiver of an encrypted message verify that the message originated from the sender?

Select one or more of the following:

• The receiver compares the message with the decrypted signature of the sender.
• The receiver compares the message hashed with the sender's signature.
• The receiver compares the message hashed with the decrypted signature of the sender.
• The receiver compares the received message with the sender's signature.

Explanation

Question 119 of 180

1

119. To encrypt a message using public-key encryption scheme, which of the following must be done?

Select one or more of the following:

• Encrypt the message using the receiver's private key.
• Encrypt the message using the sender's private key.
• Encrypt the message using the receiver's public key.
• Encrypt the message using the sender's public key.

Explanation

Question 120 of 180

1

120. Which of the following must be included on a digital certificate? I. The name of the entity and the expiration date II. The number of times the certificate has been viewed III. The digital signature of the certificate authority

Select one or more of the following:

• II and III only
• I, and III
• I, II, and III
• I and II only

Explanation

Question 121 of 180

1

121. Encryption is used to

Select one or more of the following:

• save storage space
• store data files in a vault
• protect privacy by encoding data
• archive system files

Explanation

Question 122 of 180

1

122. Of the following processes, which best characterizes the authentication process?

Select one or more of the following:

• Logging into a secure site
• Verifying that software that is in use is not a pirated copy
• Authorizing use of some resource by a particular user
• Establishing a user identity

Explanation

Question 123 of 180

1

123. Which of the following is (are) true regarding computer network intrusion detection systems? I.They compare traffic against a database of known attack signatures.II. They can generate false alarms.

Select one or more of the following:

• I only
• None
• II only
• I and II

Explanation

Question 124 of 180

1

124. The security of data can be violated through which of the following? I.Malicious acts II.User errors III.Disasters

Select one or more of the following:

• II and III only
• I, II, and III
• I only
• I and III only

Explanation

Question 125 of 180

1

125. Which of the following is (are) true regarding computer security? I.Applying all available security measures may negatively impact system usability. II.Most intrusions result from exploitation of known vulnerabilities that remain unpatched.

Select one or more of the following:

• None
• I and II
• II only
• I only

Explanation

Question 126 of 180

1

126. Good computer security practices include which of the following? I.Never shop online. II.Remove excess RAM from computers. III.Avoid sending email at night.

Select one or more of the following:

• II and III only
• I and II only
• I, II, and III
• None

Explanation

Question 127 of 180

1

127. Examples of network monitoring tools include which of the following? I.Packet sniffers II.Antivirus software III.Security patches

Select one or more of the following:

• I only
• I and III only
• II only
• I, II, and III

Explanation

Question 128 of 180

1

128. Which of the following is (are) true of anti-virus software? I.Typically, it scans both files and memory. II.It is ineffective unless it is updated frequently. III.It protects against network bandwidth attacks.

Select one or more of the following:

• II only
• I and II only
• I, II, and III
• I and III only

Explanation

Question 129 of 180

1

129. Which of the following is (are) important to ensuring computer security? I.Keep applications and operating system updated with the latest security patches. II.Replace motherboard batteries regularly. III.Use firewalls

Select one or more of the following:

• III only
• I, II, and III
• I and III only
• II and III only

Explanation

Question 130 of 180

1

130. Which of the following statements is (are) true about smart cards? I.They are vulnerable to Internet attacks. II.They can encrypt data.

Select one or more of the following:

• II only
• None
• I and II
• I only

Explanation

Question 131 of 180

1

131. Which of the following is correct with respect to customers providing highly personal information across the Internet through electronic commerce transactions?

Select one or more of the following:

131. Which of the following is correct with respect to customers providing highly personal information across the Internet through electronic commerce transactions?
• Transactions are relatively secure between the consumer and a company's Web site if the data is encrypted.
• It is impossible for anybody to see the transaction on the Internet except for the intended Web site conducting the transaction.
• If a transaction is encrypted, any unauthorized parties intercepting the transaction will take ten or more years to decrypt the information.

Explanation

Question 132 of 180

1

132. Which of the following comparisons between public-key encryption schemes and private-key encryption schemes is true?

Select one or more of the following:

• It takes longer to transmit encrypted data using private-key encryption schemes than public-key encryption schemes.
• It is easier to decrypt data using private-key encryption schemes than public-key encryption schemes.
• Private-key encryption schemes are more secure than public-key encryption schemes.
• Public-key encryption schemes involve more computations than private-key encryption schemes.

Explanation

Question 133 of 180

1

133. Which of the following is true about private-key encryption schemes?

Select one or more of the following:

• The sender and the receiver have different private keys.
• The sender and the receiver use the same private key.
• The sender and the receiver have two private keys, one for encryption and one for decryption.
• The sender must notify the receiver before sending a message.

Explanation

Question 134 of 180

1

134. Which of the following is (are) true regarding network monitoring tools? I. They should only be installed in a single location on a network. II. Monitoring only needs to be done when a problem is suspected.

Select one or more of the following:

• None
• I and II
• II only
• I only

Explanation

Question 135 of 180

1

135. Anti-virus software with updated virus definitions typically protects against which of the following? I. Worms II. Trojan horse programs

Select one or more of the following:

• I only
• None
• I and II
• II only

Explanation

Question 136 of 180

1

136. Which of the following path formats can be used to specify the value of the href attribute of the<xmp><a></xmp> tag? I. An absolute path II. A relative path

Select one or more of the following:

• I and II
• I only
• None
• II only

Explanation

Question 137 of 180

1

137. ANSI stands for

Select one or more of the following:

• All National Standard of Information
• American National System Information
• American National Standards Institute √
• All National Standards Institute

Explanation

Question 138 of 180

1

138. _________ receives input from the user and processes this input through the computer to produce output.

Select one or more of the following:

• Hardware
• Software
• Computer system
• Network system

Explanation

Question 139 of 180

1

139. ________________is the delay between the time when the memory device receives an address and the time when the first bit of data is available from the memory device.

Select one or more of the following:

• Latency
• RAM
• Capacity
• DRAM

Explanation

Question 140 of 180

1

140. Who designed a general-purpose calculating device, the Analytical Engine?

Select one or more of the following:

• Augusta Ada King
• Gordon Moore
• Jack Kilby
• Charles Babbage

Explanation

Question 141 of 180

1

141. PCI stands for

Select one or more of the following:

• Peripheral Component Interconnect
• Peripheral Computer Internet
• Peripheral Component Interaction
• Peripheral Computer Interaction

Explanation

Question 142 of 180

1

141.1. Convert the binary number 01011 to decimal

Select one or more of the following:

• 11
• 110
• 1011
• 10

Explanation

Question 143 of 180

1

142. Convert the decimal number 63 to binary

Select one or more of the following:

• 111111
• 110111
• 0110111
• 11011111

Explanation

Question 144 of 180

1

143. Convert the hexadecimal text D9 to binary

Select one or more of the following:

• 1101 1001
• 1010 0111
• 1110 0100
• 1110 1101

Explanation

Question 145 of 180

1

144. Convert this binary number 010101 to decimal

Select one or more of the following:

• 21
• 20
• 25
• 22

Explanation

Question 146 of 180

1

145. Convert this hexadecimal number 8F to decimal

Select one or more of the following:

• 143
• 142
• 141
• 140

Explanation

Question 147 of 180

1

146. Convert this decimal number 125 to binary

Select one or more of the following:

• 1111101
• 1101011
• 1111011
• 1101001

Explanation

Question 148 of 180

1

147. Convert this hexadecimal number A3 to binary

Select one or more of the following:

• 1010 0011
• 0110 1111
• 0110 1100
• 0111 1111

Explanation

Question 149 of 180

1

148. Convert this decimal number 117 to hexadecimal

Select one or more of the following:

• 75
• 0111 1111
• 85
• 0110 1111

Explanation

Question 150 of 180

1

150. Convert this binary number 10001001 to hexadecimal

Select one or more of the following:

• 89h
• 99a
• 0111 0111
• 89

Explanation

Question 151 of 180

1

151. Match the different types of buses

Select one or more of the following:

Front side bus
Bus on the motherboard that transfers data between the CPU and the chipset
PCI
Predominant bus for newer systems
AGP
Very fast, running at 66 MHz with a 32-bit word size, and transferring 266 MBps
IDE bus
Transfers data between storage devices and the chipset
USB
Not rated with a MHz speed; rated by peak transfer rate
FireWire
High transfer rate designed for high-speed external peripherals such as DVD-ROM and hard disk drives

Explanation

Question 152 of 180

1

152. This means that each layer needs only a limited amount of knowledge to do its job

Select one or more of the following:

• Encapsulation
• Abstraction
• Deduction
• E-learning

Explanation

Question 153 of 180

1

153. What is the use of a range of modern information and technologies by government to improve efficiency, service etc. i.e. Internet,mobile,local area network?

Select one or more of the following:

• E-Commerce
• E-Learning
• E-Governance
• E-Bussiness

Explanation

Question 154 of 180

1

154. What is referring to data in electronic form, which is logically associated with other data in electronic form and which is used by the signatory to sign?

Select one or more of the following:

• Cryptographic
• Electronic signature
• Telegraph signatures
• Faxed signatures

Explanation

Question 155 of 180

1

155. Components of a Multimedia System (match them with their examples):

Select one or more of the following:

Capture devices
Video Camera, Video Recorder, Audio Microphone, Keyboards, mice, graphics tablets, 3D input devices, tactile sensors, VR devices. Digitising/Sampling Hardware
Storage Devices
Hard disks, CD-ROMs, Jaz/Zip drives, DVD
Communication Networks
Ethernet, Token Ring, FDDI, ATM, Intranets, Internets
Computer Systems
Multimedia Desktop machines, Workstations, MPEG/VIDEO/DSP Hardware
Display Devices
CD-quality speakers, HDTV,SVGA, Hi-Resolution monitors, Color printers

Explanation

Question 156 of 180

1

156. _____________provides us a means by which we can access the applications as utilities, over the Internet. It allows us to create, configure, and customize applications online.

Select one or more of the following:

• Cloud computing
• E-commerce
• E-learning
• Data centers

Explanation

Question 157 of 180

1

157. What is a term for all types of technology-enhanced learning (TEL), where technology is used to support the learning process?

Select one or more of the following:

• Cloud computing
• E-commerce
• E-learning
• Data centers

Explanation

Question 158 of 180

1

158. Match the types of E-Commerce

Select one or more of the following:

Business-to-Business(B-to-B)
Is a website that is dedicated to exchange of information, goods and services to other business rather than final consumers.
Business-to-Customer(B-to-C)
Is a website where all transactions take place between a business house and the final consumer
Consumers-to-businesses (C2B)
Consumers make known a particular need for a product or service, and suppliers compete to provide the product or service to consumers.
Consumer-to-consumer
Is a website where all the transactions take place between a consumer and the website acting asa platform that brings the buyer and the seller together

Explanation

Question 159 of 180

1

159. Match the Layers of software
1
2
3
4
5
6
7
8
9
10

Select one or more of the following:

User-Written Scripts
User Interface
Application
Run-time Library
Application Program Interface
Operating System
Kernel
Device Drivers
BIOS
Hardware

Explanation

Question 160 of 180

1

160. Match the definitions of the types of the interfaces

Select one or more of the following:

Command line interface
the user types a command on the keyboard, the computer executes the command and provides textual output
Graphical user interface
uses windows, icons, menus and pointers (WIMP) which can be manipulated by a mouse (and often to an extent by a keyboard as well).

Explanation

Question 161 of 180

1

161. What is a continuous representation, analogous to the actual information it represents?

Select one or more of the following:

• Analog data
• Data
• Information
• Knowledge

Explanation

Question 162 of 180

1

162. What is the technology that uses computing with high speed communication links to spread information from one place to another

Select one or more of the following:

• Information technology
• Data
• Knowledge
• Computing systems

Explanation

Question 163 of 180

1

163. _______are complex devices, dealing with a vast array of information categories

Select one or more of the following:

• Information
• Data
• Knowledge
• Computing systems

Explanation

Question 164 of 180

1

164. In cryptography, what is cipher? I. algorithm for performing encryption and decryption II. encrypted message

Select one or more of the following:

• Only I
• Only II
• Both I and II
• None

Explanation

Question 165 of 180

1

165. In asymmetric key cryptography, the private key is kept by

Select one or more of the following:

• Sender
• Receiver
• Sender and receiver
• All connected devices to the network

Explanation

Question 166 of 180

1

166. ____________is a set of computer instructions or data.

Select one or more of the following:

• Software
• Hardware
• Disk drive
• Memory

Explanation

Question 167 of 180

1

167. What provides connections among computers to enable computers to share data (e.g. documents), hardware (e.g. printers), and software resources (e.g. application programs)?

Select one or more of the following:

• Drivers
• CPU
• Network
• Memory

Explanation

Question 168 of 180

1

168. What is the IDE (Integrated Drive Electronics) cable

Select one or more of the following:

• Rolls data flow among component
• Transfers data from storage devices to the motherboard
• Stores data permanently
• Serves as a socket on the motherboard

Explanation

Question 169 of 180

1

169. What allow users to automate sequences of actions they perform frequently?

Select one or more of the following:

• Script
• Macros
• Script and macros
• None

Explanation

Question 170 of 180

1

170. What is the Trap?

Select one or more of the following:

• An event triggered by an external signal
• Keeps track of all the processes running
• Places the byte in a storage area
• A signal informing a program that an event has occurred

Explanation

Question 171 of 180

1

171. _________ is the rapid display of a sequence of images of 2-D or 3-D artwork or model positions in order to create an illusion of movement.

Select one or more of the following:

• Text
• Animation
• Video conferencing
• Picture

Explanation

Question 172 of 180

1

172. How we call the process, when each user has a single view of the available resources, independently of how they are arranged in terms of physical devices?

Select one or more of the following:

• Scalability
• Elasticity
• Virtualization
• Lower Infrastructure Costs

Explanation

Question 173 of 180

1

173. Indicate working models for cloud computing:

Select one or more of the following:

• Deployment models only
• Deployment and Service Models
• Service models only
• None

Explanation

Question 174 of 180

1

174. Which of the following cloud deployment models allows systems and services to be accessible within an organization?

Select one or more of the following:

• Public Cloud
• Community Cloud
• Private Cloud
• None

Explanation

Question 175 of 180

1

175. What are the Service Models?

Select one or more of the following:

• They are the reference models on which the Cloud Computing is based
• They allow systems and services to be accessible by group of organizations
• They allow systems and services to be easily accessible to the general public
• None

Explanation

Question 176 of 180

1

176. What provides access to fundamental resources such as physical machines, virtual machines, virtual storage?

Select one or more of the following:

• SaaS
• IaaS
• PaaS
• None

Explanation

Question 177 of 180

1

177. What provides the runtime environment for applications, development & deployment tools?

Select one or more of the following:

• SaaS
• IaaS
• PaaS
• None

Explanation

Question 178 of 180

1

178. Which model allows using software applications as a service to end users?

Select one or more of the following:

• SaaS
• IaaS
• PaaS
• None

Explanation

Question 179 of 180

1

179. What provides a uniform abstraction of the underlying physical machine?

Select one or more of the following:

• Abstraction
• Virtualization
• Hypervision
• None

Explanation

Question 180 of 180

1

180. What has the same form as a URL but may not identify an actual location on the Internet?

Select one or more of the following:

• URI
• URN
• URL
• DNS

	Created by No Name over 5 years ago

Quiz on ICT, created by No Name on 04/06/2019.

Question 1 of 180

1. What is the number one concern about cloud computing?

Select one or more of the following:

Explanation

Question 2 of 180

2. Google Docs is a type of cloud computing

Select one of the following:

Explanation

Question 3 of 180

3. Which one of these is not a cloud computing pricing model

Select one or more of the following:

Explanation

Question 4 of 180

4. Which of these is not a major type of cloud computing usage

Select one or more of the following:

Explanation

Question 5 of 180

5. An Internet connection is necessary for cloud computing interaction

Select one or more of the following:

Explanation

Question 6 of 180

6. “Cloud” in cloud computing represents what

Select one or more of the following:

Explanation

Question 7 of 180

7. Which of these should a company consider before implementing cloud computing technology. I: Employee satisfaction, II: Potential cost reduction, III: Information sensitivity

Select one or more of the following:

Explanation

Question 8 of 180

8. What exactly is cloud computing

Select one or more of the following:

Explanation

Question 9 of 180

9. What widely used service is built on cloud-computing technology? I: Twitter, II: Skype, III: Gmail, IV: YouTube.

Select one or more of the following:

Explanation

Question 10 of 180

10. Cloud computing embraces many concepts that were previously touted as the next big thing in information technology. Which of these is not an antecedent(предшествующее) of the cloud?

Select one or more of the following:

Explanation

Question 11 of 180

11. What does SQL stand for

Select one or more of the following:

Explanation

Question 12 of 180

12. Which SQL statement is used to extract data from a database?

Select one or more of the following:

Explanation

Question 13 of 180

13. Computerized representations of models and attributes of real or simulated entities are?

Select one or more of the following:

Explanation

Question 14 of 180

14. Representation of the results of a computational process, such as statistical analysis, or the transcripts of some meanings assigned by human beings is

Select one or more of the following:

Explanation

Question 15 of 180

15. Representation of the results of a computer-simulated cognitive process, such as perception, learning, association, and reasoning is

Select one or more of the following:

Explanation

Question 16 of 180

16. Continuous representation, similar to the actual information it represents is

Select one or more of the following:

Explanation

Question 17 of 180

17. A discrete representation, breaking the information up into separate(discrete) elements is

Select one or more of the following:

Explanation

Question 18 of 180

18. Two bits can represent

Select one or more of the following:

Explanation

Question 19 of 180

19. The extended version of the ASCII character set is not enough for international use

Select one or more of the following:

Explanation

Question 20 of 180

20. The Unicode character set uses _________ per character