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CCNA Final Quiz

Beschreibung

Ein Quiz.
Lars Kliesing
Quiz von Lars Kliesing, aktualisiert more than 1 year ago
Lars Kliesing
Erstellt von Lars Kliesing vor mehr als 9 Jahre
94
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Zusammenfassung der Ressource

Frage 1

Frage
Bottom-up troubleshooting begins at which layer of the OSI model?
Antworten
  • network layer
  • physical layer
  • data link layer
  • transport layer
  • application layer

Frage 2

Frage
Which two statements are true about local applications? (Choose two.)
Antworten
  • They run on the network.
  • An example of a local application is e-mail.
  • They are accessed from a remote computer.
  • They are stored on the local hard disk.
  • They run on the computer where they are installed.

Frage 3

Frage
Refer to the exhibit. What default gateway address will be assigned to PC1 if access to remote resources is needed?
Antworten
  • 192.31.7.3
  • 192.168.1.101
  • 192.168.1.253
  • A default gateway is not necessary.

Frage 4

Frage
Which attribute must be the same for wireless devices on one network to be able to communicate with devices on a different network?
Antworten
  • DNS server
  • MAC address
  • default gateway
  • operating system
  • wireless equipment vendor

Frage 5

Frage
How do ISPs obtain public IP addresses?
Antworten
  • They create the addresses themselves.
  • They obtain the addresses from the home PCs.
  • They obtain the addresses from the Internet registry.
  • They obtain the addresses from the RFC.

Frage 6

Frage
Refer to the exhibit. The security policy of an organization allows employees to connect to the office intranet from their homes. Which type of security policy is this?
Antworten
  • acceptable use
  • incident handling
  • network maintenance
  • remote access

Frage 7

Frage
Which wireless component allows wireless clients to gain access to a wired network?
Antworten
  • PDA
  • STA
  • access point
  • wireless bridge

Frage 8

Frage
Which network design layer provides a connection point for end user devices to the network?
Antworten
  • access
  • core
  • distribution
  • network

Frage 9

Frage
Which two transport layer protocols are used to transfer messages between hosts? (Choose two.)
Antworten
  • DHCP
  • FTP
  • SMTP
  • TCP
  • UDP

Frage 10

Frage
An administrator is troubleshooting a network problem that involves the inability of users to reach Internet sites. During troubleshooting, the administrator is able to successfully ping web sites by their IP address, but pings to domain names are unsuccessful. Which service is most likely at fault?
Antworten
  • DHCP
  • DNS
  • FTP
  • NAT

Frage 11

Frage
Refer to the graphic. Assume that the command output is from a wireless DHCP client that is connected to a Linksys integrated router. What can be deduced from the output?
Antworten
  • The wireless connection is good.
  • The WEP key or SSID needs to be checked.
  • The DHCP configuration on the router needs to be checked.
  • The wireless NIC driver or the NIC itself needs to be reinstalled.

Frage 12

Frage
A company has a web server that must be accessible to both external and internal clients. Which security policy best practice should be followed to maximize security of the server? Place the web server in a DMZ.
Antworten
  • Keep the web server on the external network.
  • Configure a firewall device to serve as the web server.
  • Locate the web server in the server farm of the internal network.

Frage 13

Frage
TCP/IP data transmission between the source and destination host is de-encapsulated in four steps: (Erster und letzter Schritt als richtig)
Antworten
  • The TCP header is removed.
  • Bits are decoded and the destination MAC address is recognized.
  • The IP header is removed and the contents are passed to the next layer.
  • The Ethernet header and trailer are removed.

Frage 14

Frage
What is the correct sequence of these steps?
Antworten
  • A, B, C, D
  • A, C, B, D
  • B, C, D, A
  • B, D, C, A
  • C, A, B, D

Frage 15

Frage
A computer joins the network and announces itself to all hosts on the LAN. What type of message does the computer send out?
Antworten
  • broadcast
  • simulcast
  • multicast
  • unicast

Frage 16

Frage
What are two ways that a user can interact with an operating system shell? (Choose two.)
Antworten
  • CLI
  • OS
  • GUI
  • NIC
  • kernel

Frage 17

Frage
What are two examples of peripheral input devices? (Choose two.)
Antworten
  • external modem
  • barcode reader
  • digital camera
  • plotter
  • printer

Frage 18

Frage
What are three examples of logical configuration information used when planning a network implementation? (Choose three.)
Antworten
  • size of broadcast domains
  • naming scheme
  • length of cable runs
  • IP addressing scheme
  • physical device location
  • location of power outlets

Frage 19

Frage
Which wireless protocol is used for encryption?
Antworten
  • EAP
  • Open
  • PSK
  • WEP

Frage 20

Frage
Which value represents the host portion of IP address 128.107.10.11 with a subnet mask of 255.255.0.0?
Antworten
  • .10
  • .10.11
  • 128.107
  • .107.10.11
  • 128.107.10

Frage 21

Frage
A home user is looking for an ISP connection that provides high speed digital transmission over regular phone lines. What ISP connection type should be used?
Antworten
  • DSL
  • dial-up
  • satellite
  • cell modem
  • cable modem

Frage 22

Frage
What is the purpose of pop-up blocker software?
Antworten
  • It detects and removes spyware.
  • It detects and removes viruses.
  • It prevents the display of advertisement windows.
  • It removes unwanted e-mail.

Frage 23

Frage
What are two advantages of purchasing a custom-built computer? (Choose two.)
Antworten
  • usually a lower cost
  • no waiting period for assembly
  • user can specify higher performance components
  • supports higher-end graphics and gaming applications
  • fewer components to replace

Frage 24

Frage
Refer to the exhibit. PC1 is unable to access the web server at 209.165.200.226/27. Based on the provided output, what is the most likely cause of the problem?
Antworten
  • PC1 is not plugged in to RTR1.
  • Port 80 is already in use on PC1.
  • No DNS server is configured on PC1.
  • PC1 is configured with an incorrect IP address and default gateway.

Frage 25

Frage
What is the name for the contract between a customer and an ISP that specifies requirements for uptime and service response time?
Antworten
  • DSL
  • IAB
  • NAP
  • SLA

Frage 26

Frage
Which term is associated with logical addressing?
Antworten
  • IP addresses
  • port addresses
  • physical addresses
  • Media Access Control addresses

Frage 27

Frage
Which Windows PC command line utility can be used to discover the path that a packet takes to reach a destination?
Antworten
  • ping
  • netstat
  • tracert
  • nslookup
  • ipconfig

Frage 28

Frage
Which statement accurately describes what network devices do in the distribution layer of the three layer design model?
Antworten
  • They interconnect individual hosts.
  • They interconnect multiple companies.
  • They interconnect local network segments.
  • They interconnect the company network to the ISP.

Frage 29

Frage
Select three statements that correctly describe how DHCP services may be provided. (Choose three.)
Antworten
  • An integrated router provides IP configurations for most ISPs.
  • An integrated router can act as both DHCP server and DHCP client.
  • A home PC using a static IP address obtained that address from a DHCP server.
  • Most home network integrated routers receive an IP configuration directly from their ISP.
  • A variety of devices can act as DHCP servers, as long as they run DHCP service software.
  • A home PC that is unable to find a DHCP server defaults to the static IP address of 192.168.1.1.

Frage 30

Frage
Which two causes of networking problems are related to the physical layer? (Choose two.)
Antworten
  • disconnected cables
  • improper operation of cooling fans
  • incorrect MAC address
  • incorrect default gateway
  • incorrect subnet mask

Frage 31

Frage
Which installation option should be chosen when the current operating system is too damaged to work properly?
Antworten
  • upgrade
  • multi-boot
  • clean install
  • virtualization

Frage 32

Frage
What is an ISP?
Antworten
  • It is a standards body that develops cabling and wiring standards for networking.
  • It is a protocol that establishes how computers within a local network communicate.
  • It is an organization that enables individuals and businesses to connect to the Internet.
  • It is a networking device that combines the functionality of several different networking devices in one.

Frage 33

Frage
What two pieces of information should a help desk technician document while troubleshooting connectivity issues with an end user? (Choose two.)
Antworten
  • the CPU clock speed of the computer
  • the number of network jacks that are in the room
  • if the user can ping the default gateway address
  • if the word processing software is installed correctly
  • whether the PC uses dynamic or static IP addressing

Frage 34

Frage
Refer to the graphic. What feature can be installed on the Linksys integrated router to convert private IP addresses to Internet-routable addresses?
Antworten
  • authentication
  • DHCP
  • encryption
  • firewall
  • NAT
  • WEP

Frage 35

Frage
After attaching four PCs to the switch ports, configuring the SSID and setting authentication properties for a small office network, a technician successfully tests the connectivity of all PCs that are connected to the switch and WLAN. A firewall is then configured on the device prior to connecting it to the Internet. What type of network device includes all of the described features?
Antworten
  • switch
  • ISR router
  • firewall appliance
  • standalone wireless access point

Frage 36

Frage
For the second time in a week, workstations on a LAN are not able to log into the server. The technician fixed the problem the first time, but cannot remember the steps taken to solve it. What aspect of the troubleshooting process has the technician neglected?
Antworten
  • identifying the problem
  • asking end-users questions
  • documenting the troubleshooting process
  • using structured techniques to solve a problem

Frage 37

Frage
What is the default subnet mask for an IP address of 64.100.19.14?
Antworten
  • 255.0.0.0
  • 255.255.0.0
  • 255.255.255.0
  • 255.255.255.255

Frage 38

Frage
How does a crossover cable make it possible for two "like devices" (for example, two switches) to communicate?
Antworten
  • The transmit pins are disconnected and only the receive pins are used.
  • The transmit pins on one device are connected to the transmit pins on the other device.
  • The receive pins on one device are connected to the receive pins on the other device.
  • The transmit pins on one device are connected to the receive pins on the other device.

Frage 39

Frage
What will be one result of using a wireless infrastructure when designing the communications infrastructure for a new building?
Antworten
  • Wireless devices will be easy to add or relocate.
  • Infrastructure installation will be difficult and expensive.
  • There will be less interference from outside electronic sources.
  • Data transmitted over wireless networks will be more secure than when transmitted over wired networks.

Frage 40

Frage
What does the term "attenuation" mean in data communication?
Antworten
  • loss of signal strength as distance increases
  • time for a signal to reach its destination
  • leakage of signals from one cable pair to another
  • strengthening of a signal by a networking device

Frage 41

Frage
Which type of computer has an integrated mouse?
Antworten
  • desktop
  • laptop
  • mainframe
  • server
  • pocket PC

Frage 42

Frage
Which Windows command is used to display the configured IP address, subnet mask, and default gateway?
Antworten
  • ipconfig
  • netstat
  • nslookup
  • tracert

Frage 43

Frage
What must be identical on all devices in a WLAN for successful wireless communication between the devices?
Antworten
  • SSID
  • antenna type
  • network mode
  • wireless NIC driver

Frage 44

Frage
For devices that do not autosense, which connection requires a crossover cable?
Antworten
  • hub port to router port
  • PC to hub port
  • PC to switch port
  • PC port to PC port

Frage 45

Frage
Refer to the exhibit. A user on Host1 requests a web page from the web server. Which diagram is accurate for the encapsulation of the traffic that is sent from the user to the web server? Is "D" correct?
Antworten
  • True
  • False

Frage 46

Frage
What describes the external IP address that is obtained by a router through a cable or DSL modem?
Antworten
  • a public address that is obtained from ICANN
  • a private address that is manually configured by the administrator
  • a public address that is obtained through DHCP from the ISP
  • a private address that converts to a public address on the internal LAN

Frage 47

Frage
Which two components are configured via software in order for a PC to participate in a network environment? (Choose two.)
Antworten
  • MAC address
  • IP address
  • kernel
  • shell
  • subnet mask

Frage 48

Frage
What destination IP address is used in a unicast packet?
Antworten
  • a specific host
  • a group of hosts
  • all hosts on the network
  • the network broadcast address

Frage 49

Frage
Which part of the electromagnetic spectrum is commonly used to exchange data between a PDA and a computer?
Antworten
  • FM
  • radar
  • infrared
  • ultraviolet

Frage 50

Frage
What two commands can be used to form a new binding if client information does not agree with the DHCP client table? (Choose two.)
Antworten
  • ipconfig /release
  • ipconfig /all
  • ipconfig /flushdns
  • ipconfig /renew
  • ipconfig

Frage 51

Frage
What are the two possible values for a digital bit? (Choose two.)
Antworten
  • 0
  • 1
  • A
  • F
  • #
  • 9

Frage 52

Frage
Which picture shows a USB port on a PC? (Shows one of them a USB port?)
Antworten
  • True
  • False

Frage 53

Frage
What is the purpose of a router?
Antworten
  • to forward broadcasts to all interfaces so that all hosts receive them
  • to maintain a table of individual host addresses
  • to select the best path to reach remote networks
  • to physically connect multiple hosts that belong to the same network
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