1. What is the number one concern about cloud computing?
• Too expensive
• Security concerns
• Too many platforms
• Accessibility
2. Google Docs is a type of cloud computing
True
False
3. Which one of these is not a cloud computing pricing model
• Pay Per Use
• Subscription
• Ladder
• Perpetual License
4. Which of these is not a major type of cloud computing usage
• Hardware as a service
• Platform as a service
• Software as a service
• Infrastructure as a service
5. An Internet connection is necessary for cloud computing interaction
6. “Cloud” in cloud computing represents what
Wireless
Hard drives
People
Internet
7. Which of these should a company consider before implementing cloud computing technology. I: Employee satisfaction, II: Potential cost reduction, III: Information sensitivity
• Only I
• Only II
• Only III
• I, II, and III
8. What exactly is cloud computing
• 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
9. What widely used service is built on cloud-computing technology? I: Twitter, II: Skype, III: Gmail, IV: YouTube.
• Only III and I
• I, II, III and IV
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?
• Utility computing
• Remote hosted services
• Grid computing
• Desktop computing
11. What does SQL stand for
• Structured Query Language
• Strong Question Language
• Structured Question Language
• Structured Querty Language
12. Which SQL statement is used to extract data from a database?
• Select
• GET
• OPEN
• Extract
13. Computerized representations of models and attributes of real or simulated entities are?
• Data
• Knowledge
• Information
• Database
14. Representation of the results of a computational process, such as statistical analysis, or the transcripts of some meanings assigned by human beings is
15. Representation of the results of a computer-simulated cognitive process, such as perception, learning, association, and reasoning is
16. Continuous representation, similar to the actual information it represents is
• Analog data
• Digital data
• Continuous data
• Discrete data
17. A discrete representation, breaking the information up into separate(discrete) elements is
18. Two bits can represent
• Four things
• Two things
• Eight things
• Ten things
19. The extended version of the ASCII character set is not enough for international use
• Unicode
• Barcode
• EBCDIC
• Binary code
20. The Unicode character set uses _________ per character
• 16 bits
• 8 bits
• 4 bits
• 32 bits
21. The first 256 characters in the Unicode character set correspond exactly to the extended ASCII character set
22. List the levels of computer systems from top to down
• 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
23. List the levels of computer systems from bottom to up
24. Which software refers to application software?
• Microsoft Word
• Microsoft Windows
• Unix
• Mac OS
25. Which software refers to application software?
• Internet Explorer
26. Which software refers to application software?
• Macromedia Dreamweaver
27. Which software refers to application software?
• Adobe Acrobat Reader
28. Which software refers to system software?
• Microsoft word
29. Which software refers to system software?
30. Which software refers to system software?
31. What is the master controller for all activities that take place within a computer
• Operating System
• Application Software
• DBMS
• Word processor
32. What does send data from a computer over a network, and collects incoming data sent by other computers
• A network interface card (NIC)
• A modem
• Phone line or cable
• Internet service provider
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?
34. What was the first computer prototype used vacuum tubes?
• ENIAC
• Analytical Engine
• Abacus
• Hollerith Tabulating Machine
35. What is the main component that executes instructions stored in the main memory?
• Microprocessor
• Main memory
• Storage device
• Peripheral
36. What does store instructions to be executed by the microprocessor?
37. What do store data permanently even when the computer is turned off?
38. What enable data input and output?
39. What acts as the traffic cop controlling the flow of data and coordinating interactions among components in the system?
• Chipset
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?
• Motherboard
• Power supply
41. What does provide electrical power to the computer system?
42. What does process instructions stored in main memory?
43. What does serve as a socket on the motherboard into which an expansion card maybe inserted?
• Expansion slot
44. What does enable a computer to control peripheral devices such as the monitor and the microphone?
• Expansion card
45. What does control data flow among components?
46. What does transfer data from storage devices to the motherboard?
• IDE (Integrated Drive Electronics) cable
47. What does store data permanently (even after the computer is turned off)?
• Disk drives
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?
• Interpret
• Fetch
• Execute
• Store
49. What science studies how to refine the design of products to optimize them for human use?
• Ergonomics
• HCI
• Economics
• ICT
50. What DOS command is used to change the working directory?
• сd
• md
• rd
• ren
51. What DOS command is used to make a new directory?
• cd
52. What DOS command is used to remove an existing empty directory?
53. What DOS command is used to rename a file within a directory?
54. The BIOS initiates the POST (Power-On Self Test) sequence
• True
• False
55. The BIOS enables the video card
56. The BIOS counts and tests memory
57. The BIOS checks for expansion cards and adapters and initializes them
58. The BIOS follows a search order to find the Master Boot Record
59. Interrupt Handler saves contents of registers before it saves the register for its own purposes
60. Interrupts can nest infinitely (гнездиться бесконечно)
61. Interrupt Handler accepts the byte of incoming data
62. Interrupt Handler places the byte in a storage area
63. Interrupt handler cannot be interrupted by a higher priority interrupt
64. Interrupt handler transfers control back to previous task
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
• I and II only
• II and III only
• I and III only
66. Which of the following computer attack methods does not require a hardware or software tool?
• Port scanning
• Social engineering
• Spoofing
• Packet sniffing
67. What does a packet sniffer do?
• 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
68. A computer attack that uses handler computers to control agent computers to attack a target computer is known as a _____ attack.
• Smurf
• SYN
• network connectivity
• distributed denial of service
69. Attacking a computer by sending it an excessive number of email messages is known as
• Smurfing
• Spamming
• Pinging
70. With respect to security on the Internet, what is the purpose of digital signatures?
• 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
71. One of the most common applications of encryption is transmitting data securely over the Web is ______
• the Secure Socket Layer (SSL)
• a Trojan horse
• e-mail
• a simple substitution code
72. Which encryption method uses a pair of digital keys?
• Active-X
• SSL
• Public key encryption
• S-HTTP
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
• II and III
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?
• TCP/IP
• GIF
• MIME
• Encryption
75. ISPs can be accessed by which of the following ways? I. Telephone lines II. Cable television systems III. Personal satellite dishes
• I only
• II only
76. The numbers in IP addresses are separated by
• points
• periods
• colons
• commas
77. What knits the Internet together and allows data to travel smoothly over the communications links provided by NSPs worldwide?
• FTP
• HTTP
• URL
78. What networks are useful in environments where wiring is difficult to install?
• Twisted pair
• Coaxial
• Wirefree
• Wireless
79. What top-level domain belongs to computers in the category of commercial businesses?
• bus
• com
• org
• bsn
80. An IP address is a set of four numbers between 0 and
• 128
• 24
• 16
• 255
81. What top-level domain belongs to computers in the category of networks and ISPs?
• adm
• int
• net
• html
82. What top-level domain belongs to computers in the category of professional and nonprofit organizations?
• npo
• edu
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.
• III only
84. When you send an email to someone, it is sent to
• the sender's email server
• the sender's email client
• the recipient's computer
• the recipient's email server
85. Using a(n) _____ protocol, the sender and the receiver are synchronized by a signal called a clock
• synchronous
• asynchronous
• analog
• block
86. The bandwidth (пропускная способность) of a(n) _____ signal is usually measured in bits per second.
• video
• digital
• satellite
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?
• BNC
• STP
• UTP
88. A communications _____ is a physical path or frequency for a signal transmission.
• band
• channel
• protocol
• bridge
89. Which of the following terms represents the transmission capacity of a communications channel?
• Indexing
• Frequency
• Bandwidth
• Resolution
90. Which of the following are commonly used network topologies? I.Star II. Ring III.Modems
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
92. Modems transfer data between computers by converting between
• analog and digital
• Ethernet and digital
• video and sound
• analog and Ethernet
93. Which of the following are potential communications links? I. Telephone wiring II. Fiber-optic cable III. Satellite
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?
• Infrared
• Radio
• Line-of-sight
95. Which of the following are protocols associated with Internet email? I.SMTP II.POP III. FTP
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
97. What is a backbone provider (also known as a Network Service Provider)?
• 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
98. With respect to the Internet, routers are used to connect
• a computer and a modem
• a computer to the Internet
• any two computers
• different networks of computers
99. With respect to the Internet, companies need to register a unique domain name when
• buying a new modem
• establishing an electronic commerce Web site
• buying a new computer
• connecting a new computer to the Internet
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
101. What is the protocol used to transfer Web pages?
• http
• udp
• ftp
102. What is the name of the Internet protocol used to make sure messages are reliably transmitted and received by the destination computer?
• TCP
• ISP
• IP
• POP
103. The World Wide Web is
• 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
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
• 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
105. IP host addresses on the Internet are composed of which 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
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
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.
108. Which of the following computer attacks is spoofing?
• 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
109. The method of cracking a password by trying all possible alphanumeric combinations is known as a _____ attack
• port scanning
• dictionary
• brute force
• man-in-the-middle
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?
• 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.
111. Which of the following is email spoofing?
• 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
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
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.
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.
• None
• I and II √
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.
• I and II
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
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.
118. How does a receiver of an encrypted message verify that the message originated from the sender?
• 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.
119. To encrypt a message using public-key encryption scheme, which of the following must be done?
• 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.
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
• I, and III
121. Encryption is used to
• save storage space
• store data files in a vault
• protect privacy by encoding data
• archive system files
122. Of the following processes, which best characterizes the authentication process?
• 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
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.
124. The security of data can be violated through which of the following? I.Malicious acts II.User errors III.Disasters
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.
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.
127. Examples of network monitoring tools include which of the following? I.Packet sniffers II.Antivirus software III.Security patches
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.
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
130. Which of the following statements is (are) true about smart cards? I.They are vulnerable to Internet attacks. II.They can encrypt data.
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.
132. Which of the following comparisons between public-key encryption schemes and private-key encryption schemes is true?
• 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.
133. Which of the following is true about private-key encryption schemes?
• 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.
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.
135. Anti-virus software with updated virus definitions typically protects against which of the following? I. Worms II. Trojan horse programs
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
137. ANSI stands for
• All National Standard of Information
• American National System Information
• American National Standards Institute √
• All National Standards Institute
138. _________ receives input from the user and processes this input through the computer to produce output.
• Hardware
• Software
• Computer system
• Network system
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.
• Latency
• RAM
• Capacity
• DRAM
140. Who designed a general-purpose calculating device, the Analytical Engine?
• Augusta Ada King
• Gordon Moore
• Jack Kilby
• Charles Babbage
141. PCI stands for
• Peripheral Component Interconnect
• Peripheral Computer Internet
• Peripheral Component Interaction
• Peripheral Computer Interaction
141.1. Convert the binary number 01011 to decimal
• 11
• 110
• 1011
• 10
142. Convert the decimal number 63 to binary
• 111111
• 110111
• 0110111
• 11011111
143. Convert the hexadecimal text D9 to binary
• 1101 1001
• 1010 0111
• 1110 0100
• 1110 1101
144. Convert this binary number 010101 to decimal
• 21
• 20
• 25
• 22
145. Convert this hexadecimal number 8F to decimal
• 143
• 142
• 141
• 140
146. Convert this decimal number 125 to binary
• 1111101
• 1101011
• 1111011
• 1101001
147. Convert this hexadecimal number A3 to binary
• 1010 0011
• 0110 1111
• 0110 1100
• 0111 1111
148. Convert this decimal number 117 to hexadecimal
• 75
• 85
150. Convert this binary number 10001001 to hexadecimal
• 89h
• 99a
• 0111 0111
• 89
151. Match the different types of buses
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
152. This means that each layer needs only a limited amount of knowledge to do its job
• Encapsulation
• Abstraction
• Deduction
• E-learning
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?
• E-Commerce
• E-Learning
• E-Governance
• E-Bussiness
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?
• Cryptographic
• Electronic signature
• Telegraph signatures
• Faxed signatures
155. Components of a Multimedia System (match them with their examples):
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
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.
• Cloud computing
• E-commerce
• Data centers
157. What is a term for all types of technology-enhanced learning (TEL), where technology is used to support the learning process?
158. Match the types of E-Commerce
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
159. Match the Layers of software 1 2 3 4 5 6 7 8 9 10
User-Written Scripts
User Interface
Application
Run-time Library
Application Program Interface
Operating System
Kernel
Device Drivers
BIOS
Hardware
160. Match the definitions of the types of the interfaces
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).
161. What is a continuous representation, analogous to the actual information it represents?
162. What is the technology that uses computing with high speed communication links to spread information from one place to another
• Information technology
• Computing systems
163. _______are complex devices, dealing with a vast array of information categories
164. In cryptography, what is cipher? I. algorithm for performing encryption and decryption II. encrypted message
• Both I and II
165. In asymmetric key cryptography, the private key is kept by
• Sender
• Receiver
• Sender and receiver
• All connected devices to the network
166. ____________is a set of computer instructions or data.
• Disk drive
• Memory
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)?
• Drivers
• CPU
• Network
168. What is the IDE (Integrated Drive Electronics) cable
• Rolls data flow among component
• Transfers data from storage devices to the motherboard
• Stores data permanently
• Serves as a socket on the motherboard
169. What allow users to automate sequences of actions they perform frequently?
• Script
• Macros
• Script and macros
170. What is the Trap?
• 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
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.
• Text
• Animation
• Video conferencing
• Picture
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?
• Scalability
• Elasticity
• Virtualization
• Lower Infrastructure Costs
173. Indicate working models for cloud computing:
• Deployment models only
• Deployment and Service Models
• Service models only
174. Which of the following cloud deployment models allows systems and services to be accessible within an organization?
• Public Cloud
• Community Cloud
• Private Cloud
175. What are the Service Models?
• 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
176. What provides access to fundamental resources such as physical machines, virtual machines, virtual storage?
• SaaS
• IaaS
• PaaS
177. What provides the runtime environment for applications, development & deployment tools?
178. Which model allows using software applications as a service to end users?
179. What provides a uniform abstraction of the underlying physical machine?
• Hypervision
180. What has the same form as a URL but may not identify an actual location on the Internet?
• URI
• URN
• DNS
