Final Exam CISCO

120 Questions | Total Attempts: 48

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Final Exam CISCO

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Questions and Answers
  • 1. 
    Which communication tool allows real-time collaboration?
    • A. 

      Wiki

    • B. 

      E-mail

    • C. 

      Weblog

    • D. 

      Instant messaging

  • 2. 
    A host is accessing a Web server on a remote network. Which three functions are performed by intermediary network devices during this conversation? (Choose three.)
    • A. 

      Regenerating data signals

    • B. 

      Applying security settings to control the flow of data

    • C. 

      Acting as a client or a server

    • D. 

      Providing a channel over which messages travel

    • E. 

      Serving as the source or destination of the messages

    • F. 

      Notifying other devices when errors occur

  • 3. 
    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?
    • A. 

      Dial-up

    • B. 

      Satellite

    • C. 

      DSL

    • D. 

      Cell modem

    • E. 

      Cable modem

  • 4. 
    A company is expanding its business to other countries. All branch offices must remain connected to corporate headquarters at all times. Which network technology is required to support this requirement?
    • A. 

      WAN

    • B. 

      LAN

    • C. 

      MAN

    • D. 

      WLAN

  • 5. 
    Refer to the exhibit. From which location did this router load the IOS?  
    • A. 

      Flash memory

    • B. 

      NVRAM?

    • C. 

      ROM

    • D. 

      RAM

    • E. 

      A TFTP server

  • 6. 
    Which connection provides a secure CLI session with encryption to a Cisco network device?
    • A. 

      An AUX connection

    • B. 

      A console connection

    • C. 

      A Telnet connection

    • D. 

      An SSH connection

  • 7. 
    Refer to the exhibit. An administrator is trying to configure the switch but receives the error message that is displayed in the exhibit. What is the problem?
    • A. 

      The entire command, configure terminal, must be used.

    • B. 

      The administrator is already in global configuration mode.

    • C. 

      The administrator must first enter privileged EXEC mode before issuing the command.

    • D. 

      The administrator must connect via the console port to access global configuration mode.

  • 8. 
    An administrator uses the Ctrl-Shift-6 key combination on a switch after issuing the ping command. What is the purpose of using these keystrokes?
    • A. 

      To restart the ping process

    • B. 

      To exit to a different configuration mode

    • C. 

      To interrupt the ping process

    • D. 

      To allow the user to complete the command

  • 9. 
    What function does pressing the Tab key have when entering a command in IOS?
    • A. 

      It aborts the current command and returns to configuration mode.

    • B. 

      It completes the remainder of a partially typed word in a command.

    • C. 

      It exits configuration mode and returns to user EXEC mode.

    • D. 

      It moves the cursor to the beginning of the next line.

  • 10. 
    Refer to the exhibit. An administrator wants to change the name of a brand new switch, using the hostname command as shown. What prompt will display after the command is issued?
    • A. 

      My Switch(config)#

    • B. 

      MySwitch(config)#

    • C. 

      My(config)#

    • D. 

      Switch(config)#

    • E. 

      Switch#

  • 11. 
    Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator uses Telnet to connect to the switch, which password is needed to access user EXEC mode?
    • A. 

      Letmein

    • B. 

      Linevtyin

    • C. 

      Secretin

    • D. 

      Lineconin

  • 12. 
    After making configuration changes, a network administrator issues a copy running-config startup-config command in a Cisco switch. What is the result of issuing this command?
    • A. 

      The new configuration will be stored in flash memory.

    • B. 

      The current IOS file will be replaced with the newly configured file.

    • C. 

      The new configuration will be loaded if the switch is restarted.

    • D. 

      The configuration changes will be removed and the original configuration will be restored.

  • 13. 
    Refer to the exhibit. Which action will be successful?
    • A. 

      PC2 can send a ping to 192.168.1.1

    • B. 

      PC1 can send a ping to 192.168.1.1

    • C. 

      PC1 can send a ping to 192.168.1.254

    • D. 

      PC2 can send a ping to 192.168.1.254

  • 14. 
    Which IPv4 address can be pinged to test the internal TCP/IP operation of a host?
    • A. 

      0.0.0.0

    • B. 

      0.0.0.1

    • C. 

      192.168.1.1

    • D. 

      255.255.255.255

    • E. 

      127.0.0.1

  • 15. 
    What three application layer protocols are part of the TCP/IP protocol suite? (Choose three.
    • A. 

      ARP

    • B. 

      NAT

    • C. 

      DHCP

    • D. 

      DNS

    • E. 

      PPP

    • F. 

      FTP

  • 16. 
    Which two protocols function at the internet layer? (Choose two.
    • A. 

      ICMP

    • B. 

      ARP

    • C. 

      BOOTP

    • D. 

      IP

    • E. 

      PPP

  • 17. 
    Which publicly available resources describe protocols, processes, and technologies for the Internet but do not give implementation details?
    • A. 

      IRTF research papers

    • B. 

      Protocol models

    • C. 

      IEEE standard

    • D. 

      Request for Comments

  • 18. 
    Which address on a PC does not change, even if the PC is moved to a different network?
    • A. 

      IP address

    • B. 

      Default gateway address

    • C. 

      MAC address

    • D. 

      Logical address

  • 19. 
    What is the protocol that is used to discover a physical address from a known logical address and what message type does it use?
    • A. 

      ARP, multicast

    • B. 

      DNS, unicast

    • C. 

      DNS, broadcast

    • D. 

      PING, multicast

    • E. 

      PING, broadcast

    • F. 

      ARP, broadcast

  • 20. 
    What will happen if the default gateway address is incorrectly configured on a host?
    • A. 

      The host cannot communicate with other hosts in the local network.

    • B. 

      The host cannot communicate with hosts in other networks.

    • C. 

      The switch will not forward packets initiated by the host.

    • D. 

      The host will have to use ARP to determine the correct address of the default gateway.

    • E. 

      A ping from the host to 127.0.0.1 would not be successful

  • 21. 
    What is an important function of the physical layer of the OSI model?
    • A. 

      It accepts frames from the physical media.

    • B. 

      It encodes frames into electrical, optical, or radio wave signals.

    • C. 

      It encapsulates upper layer data into frames.

    • D. 

      It defines the media access method performed by the hardware interface.

  • 22. 
    procedure is used to reduce the effect of crosstalk in copper cables?
    • A. 

      Requiring proper grounding connections

    • B. 

      Twisting opposing circuit wire pairs together

    • C. 

      Wrapping the bundle of wires with metallic shielding

    • D. 

      Designing a cable infrastructure to avoid crosstalk interference

    • E. 

      Avoiding sharp bends during installation

  • 23. 
    Which two statements describe the characteristics of fiber-optic cabling? (Choose two.)
    • A. 

      Fiber-optic cabling does not conduct electricity.

    • B. 

      Fiber-optic cabling is primarily used as backbone cabling.

    • C. 

      Multimode fiber-optic cabling carries signals from multiple sending devices.

    • D. 

      Fiber-optic cabling has high signal loss.

    • E. 

      Fiber-optic cabling uses LEDs for single-mode cab?les and laser technology for multimode cables.

  • 24. 
    What is contained in the trailer of a data-link frame?
    • A. 

      Error detection

    • B. 

      Logical address

    • C. 

      Physical address

    • D. 

      Data

  • 25. 
    What is the auto-MDIX feature on a switch?
    • A. 

      The automatic configuration of an interface for 10/100/1000 Mb/s operation

    • B. 

      The automatic configuration of an interface for a straight-through or a crossover Ethernet cable connection

    • C. 

      The automatic configuration of full-duplex operation over a single Ethernet copper or optical cable

    • D. 

      The ability to turn a switch interface on or off accordingly if an active connection is detected

    • E. 

      Nu alege asta

  • 26. 
    Refer to the exhibit. A ping to PC3 is issued from PC0, PC1, and PC2 in this exact order. Which MAC addresses will be contained in the S1 MAC address table that is associated with the Fa0/1 port?
    • A. 

      Just the PC0 MAC address

    • B. 

      PC0, PC1, and PC2 MAC addresses

    • C. 

      Just PC0 and PC1 MAC addresses

    • D. 

      Just the PC1 MAC address

    • E. 

      Just the PC2 MAC address

  • 27. 
    How does a Layer 3 switch differ from a Layer 2 switch?
    • A. 

      A Layer 3 switch supports VLANs, but a Layer 2 switch does not.

    • B. 

      A Layer 3 switch maintains an IP address table instead of a MAC address table.

    • C. 

      A Layer 3 switch learns the MAC addresses that are associated with each of its ports. However, a Layer 2 switch does not.

    • D. 

      An IP address can be assigned to a physical port of a Layer 3 switch. However, this is not supported in Layer 2 switches.

  • 28. 
    What is the purpose of the routing process?
    • A. 

      To encapsulate data that is used to communicate across a network

    • B. 

      To select the paths that are used to direct traffic to destination networks

    • C. 

      To convert a URL name into an IP address

    • D. 

      To provide secure Internet file transfer

    • E. 

      To forward traffic on the basis of MAC addresses

  • 29. 
    Which technology provides a solution to IPv4 address depletion by allowing multiple devices to share one public IP address?
    • A. 

      ARP

    • B. 

      DNS

    • C. 

      SMB

    • D. 

      DHCP

    • E. 

      HTTP

    • F. 

      NAT

  • 30. 
    Refer to the exhibit. Consider the IP address configuration shown from PC1. What is a description of the default gateway address?
    • A. 

      It is the IP address of the Router1 interface that connects the company to the Internet.

    • B. 

      It is the IP address of Switch1 that connects PC1 to other devices on the same LAN.

    • C. 

      It is the IP address of the Router1 interface that connects the PC1 LAN to Router1.

    • D. 

      It is the IP address of the ISP network device located in the cloud.

  • 31. 
    Which of the following are primary functions of a router? (Choose two.)
    • A. 

      Packet switching

    • B. 

      Path selection

    • C. 

      Microsegmentation

    • D. 

      Domain name resolution

    • E. 

      Flow control

  • 32. 
    Which two statements correctly describe a router memory type and its contents? (Choose two.)
    • A. 

      ROM is nonvolatile and stores the running IOS.

    • B. 

      FLASH is nonvolatile and contains a limited portion of the IOS.

    • C. 

      RAM is volatile and stores the running configuration.

    • D. 

      NVRAM is nonvolatile and stores a full version of the IOS.

    • E. 

      ROM is nonvolatile and stores bootup information.

  • 33. 
    In which default order will a router search for startup configuration information?
    • A. 

      NVRAM, RAM, TFTP

    • B. 

      Setup mode, NVRAM, TFTP

    • C. 

      TFTP, ROM, NVRAM

    • D. 

      Flash, ROM, setup mode

    • E. 

      NVRAM, TFTP, setup mode

  • 34. 
    What happens when part of an Internet VoIP transmission is not delivered to the destination?
    • A. 

      A delivery failure message is sent to the source host.

    • B. 

      The transmission continues without the missing portion.

    • C. 

      The part of the VoIP transmission that was lost is re-sent.

    • D. 

      The entire transmission is re-sent.

  • 35. 
    Which three IP addresses are private ? (Choose three.)
    • A. 

      10.172.168.1

    • B. 

      172.32.5.2

    • C. 

      192.168.5.254

    • D. 

      192.167.10.10

    • E. 

      224.6.6.6

    • F. 

      172.20.4.4

  • 36. 
    How many bits make up the single IPv6 hextet :10CD:?
    • A. 

      4

    • B. 

      8

    • C. 

      16

    • D. 

      32

  • 37. 
    What is the effect of configuring the ipv6 unicast-routing command on a router?
    • A. 

      To assign the router to the all-nodes multicast group

    • B. 

      To permit only unicast packets on the router

    • C. 

      To prevent the router from joining the all-routers multicast group

    • D. 

      To enable the router as an IPv6 router

  • 38. 
    Which group of IPv6 addresses cannot be allocated as a host source address?
    • A. 

      FF00::/8

    • B. 

      FEC0::/10

    • C. 

      FDFF::/7

    • D. 

      FEBF::/10

  • 39. 
    What is the purpose of ICMP messages?
    • A. 

      To provide feedback of IP packet transmissions

    • B. 

      To inform routers about network topology changes

    • C. 

      To ensure the delivery of an IP packet

    • D. 

      To monitor the process of a domain name to IP address resolution

  • 40. 
    Refer to the exhibit. A technician has configured a user workstation with the IP address and default subnet masks that are shown. Although the user can access all local LAN resources, the user cannot access any Internet sites by using either FQDN or IP addresses. Based upon the exhibit, what could account for this failure?
    • A. 

      The DNS server addresses are incorrect.

    • B. 

      The wrong subnet mask was assigned to the workstation.

    • C. 

      The workstation is not in the same network as the DNS servers.

    • D. 

      The default gateway address in incorrect.

  • 41. 
    Which subnet would include the address 192.168.1.96 as a usable host address?
    • A. 

      192.168.1.32/27

    • B. 

      192.168.1.32/28

    • C. 

      192.168.1.64/26

    • D. 

      192.168.1.64/29

  • 42. 
    A network administrator needs to monitor network traffic to and from servers in a data center. Which features of an IP addressing scheme should be applied to these devices?
    • A. 

      Random static addresses to improve security

    • B. 

      Predictable static IP addresses for easier identification

    • C. 

      Addresses from different subnets for redundancy

    • D. 

      Dynamic addresses to reduce the probability of duplicate addresses

  • 43. 
    Refer to the exhibit. Which IP addressing scheme should be changed?
    • A. 

      Site 1

    • B. 

      Site 3

    • C. 

      Site 4

    • D. 

      Site 2

  • 44. 
    Which two notations are useable nibble boundaries when subnetting in IPv6? (Choose two.)
    • A. 

      /62

    • B. 

      /64

    • C. 

      /68

    • D. 

      /66

    • E. 

      /70

  • 45. 
    A host PC has just booted and is attempting to lease an address through DHCP. Which two messages will the client typically broadcast on the network? (Choose two.)
    • A. 

      DHCPOFFER

    • B. 

      DHCPREQUEST

    • C. 

      DHCPACK

    • D. 

      DHCPNACK

    • E. 

      • DHCPDISCOVER

  • 46. 
    What is the purpose of the network security accounting function?
    • A. 

      To keep track of the actions of a user

    • B. 

      To require users to prove who they are

    • C. 

      To determine which resources a user can access

    • D. 

      To provide challenge and response questions

  • 47. 
    When applied to a router, which command would help mitigate brute-force password attacks against the router?
    • A. 

      Exec-timeout 30

    • B. 

      Service password-encryption

    • C. 

      Banner motd $Max failed logins = 5$

    • D. 

      Login block-for 60 attempts 5 within 60

  • 48. 
    A particular website does not appear to be responding on a Windows 7 computer. What command could the technician use to show any cached DNS entries for this web page?
    • A. 

      Ipconfig /displaydns

    • B. 

      Ipconfig /all

    • C. 

      Arp -a

    • D. 

      Nslookup

  • 49. 
    Refer to the exhibit. The network administrator enters these commands into the R1 router:R1# copy running-config tftpAddress or name of remote host [ ]?When the router prompts for an address or remote host name, what IP address should the administrator enter at the prompt?
    • A. 

      192.168.9.254

    • B. 

      192.168.11.252

    • C. 

      192.168.10.1

    • D. 

      192.168.10.2

    • E. 

      192.168.11.254

  • 50. 
    What two preconfigured settings that affect security are found on most new wireless routers? (Choose two.)
    • A. 

      MAC filtering enabled

    • B. 

      Default administrator password

    • C. 

      Broadcast SSID

    • D. 

      WEP encryption enabled

    • E. 

      PSK authentication required

  • 51. 
    Which type of wireless security generates dynamic encryption keys each time a client associates with an AP?
    • A. 

      EAP

    • B. 

      PSK

    • C. 

      WPA

    • D. 

      WEP

  • 52. 
    _______is a best-effort, connectionless application layer protocol that is used to transfer files.
  • 53. 
    Which two components are necessary for a wireless client to be installed on a WLAN? (Choose two.)
    • A. 

      Custom adapter

    • B. 

      Media

    • C. 

      Wireless client software

    • D. 

      Crossover cable

    • E. 

      Wireless bridge

    • F. 

      Wireless NIC

  • 54. 
    Consider the following range of addresses:2001:0DB8:BC15:00A0:0000::         2001:0DB8:BC15:00A1:0000::2001:0DB8:BC15:00A2:0000::…2001:0DB8:BC15:00AF:0000::The prefix-length for the range of addresses is___
  • 55. 
    A host is accessing an FTP server on a remote network. Which three functions are performed by intermediary network devices during this conversation? (Choose three.)
    • A. 

      Regenerating data signals

    • B. 

      As a client or a server

    • C. 

      Applying security settings to control the flow of data

    • D. 

      Providing a channel over which messages travel

    • E. 

      Serving as the source or destination of the messages

    • F. 

      Notifying other devices when errors occur

  • 56. 
    When is a dial-up connection used to connect to an ISP?
    • A. 

      When a cellular telephone provides the service

    • B. 

      When a regular telephone line is used

    • C. 

      When a high-speed connection is provided over a cable TV network

    • D. 

      When a satellite dish is used

  • 57. 
    On a school network, students are surfing the web, searching the library database, and attending an audio conference with their sister school in Japan. If network traffic is prioritized with QoS, how will the traffic be classified from highest priority to lowest priority?
    • A. 

      Database, audio conference, HTTP

    • B. 

      Database, HTTP, audio conference

    • C. 

      Audio conference, HTTP, database

    • D. 

      Audio conference, database, HTTP

  • 58. 
    During normal operation, from which location do most Cisco routers run the IOS?
    • A. 

      Disk drive

    • B. 

      Flash

    • C. 

      RAM

    • D. 

      NVRAM

  • 59. 
    Which connection provides a secure CLI session with encryption to a Cisco switch?
    • A. 

      An SSH connection

    • B. 

      An AUX connection

    • C. 

      A console connection

    • D. 

      A Telnet connection

  • 60. 
    Which keys act as a hot key combination that is used to interrupt an IOS process?
    • A. 

      Ctrl-Shift-X

    • B. 

      Ctrl-C

    • C. 

      Ctrl-Z

    • D. 

      Ctrl-Shift-6

  • 61. 
    Refer to the exhibit. An administrator wants to change the name of a brand new switch, using the hostname command as shown. What prompt will display after the command is issued?
    • A. 

      HR(config)#

    • B. 

      HR Switch(config)#

    • C. 

      Switch#

    • D. 

      HRSwitch(config)#

    • E. 

      Switch(config)#

  • 62. 
    After making configuration changes on a Cisco switch, a network administrator issues a copy running-config startup-config command. What is the result of issuing this command?
    • A. 

      The configuration changes will be removed and the original configuration will be restored.

    • B. 

      The current IOS file will be replaced with the newly configured file.

    • C. 

      The new configuration will be stored in flash memory.

    • D. 

      The new configuration will be loaded if the switch is restarted.

  • 63. 
    On which switch interface would an administrator configure an IP address so that the switch can be managed remotely?
    • A. 

      Console 0

    • B. 

      FastEthernet0/1

    • C. 

      Vty 0

    • D. 

      VLAN 1

  • 64. 
    A technician uses the ping 127.0.0.1 command. What is the technician testing?
    • A. 

      Connectivity between two adjacent Cisco devices

    • B. 

      Physical connectivity of a particular PC and the network

    • C. 

      The TCP/IP stack on a network host

    • D. 

      Connectivity between two PCs on the same network

    • E. 

      Connectivity between a PC and the default gateway

  • 65. 
    What is the correct order for PDU encapsulation?
    • A. 

      Option 2

    • B. 

      Option 3

    • C. 

      Option 1

    • D. 

      Option 4

  • 66. 
    Which device should be used for enabling a host to communicate with another host on a different network?
    • A. 

      Switch

    • B. 

      Hub

    • C. 

      Router

    • D. 

      Host

  • 67. 
    A network technician is measuring the transfer of bits across the company backbone for a mission critical application. The technician notices that the network throughput appears lower than the bandwidth expected. Which three factors could influence the differences in throughput? (Choose three.)
    • A. 

      • the amount of traffic that is currently crossing the network

    • B. 

      • the sophistication of the encapsulation method applied to the data

    • C. 

      • the type of traffic that is crossing the network

    • D. 

      • the bandwidth of the WAN connection to the Internet

    • E. 

      • the reliability of the gigabit Ethernet infrastructure of the backbone

    • F. 

      • the latency that is created by the number of network devices that the data is crossing

  • 68. 
    Which characteristics describe fiber optic cable? (Choose two.)
    • A. 

      Each pair of cables is wrapped in metallic foil.

    • B. 

      It combines the technique of cancellation, shielding and twisting to protect data.

    • C. 

      It is not affected by EMI or RFI.

    • D. 

      It is the most expensive type of LAN cabling

    • E. 

      It has a maximum speed of 100 Mbps.

  • 69. 
    What are two features of a physical, star network topology? (Choose two.)
    • A. 

      All end devices are connected in a chain to each other.

    • B. 

      End devices are connected together by a bus.

    • C. 

      It is straightforward to troubleshoot.

    • D. 

      It is easy to add and remove end devices.

    • E. 

      Each end system is connected to its respective neighbor.

  • 70. 
    A frame is transmitted from one networking device to another. Why does the receiving device check the FCS field in the frame?
    • A. 

      To check the frame for possible transmission errors

    • B. 

      To verify the network layer protocol information

    • C. 

      To compare the interface media type between the sending and receiving ends

    • D. 

      To determine the physical address of the sending device

    • E. 

      To verify that the frame destination matches the MAC address of the receiving device

  • 71. 
    What will a Layer 2 switch do when the destination MAC address of a received frame is not in the MAC table?
    • A. 

      It broadcasts the frame out of all ports on the switch.

    • B. 

      It forwards the frame out of all ports except for the port at which the frame was received.

    • C. 

      It initiates an ARP request.

    • D. 

      It notifies the sending host that the frame cannot be delivered.

  • 72. 
    Which switching method has the lowest level of latency?
    • A. 

      Fast-forward

    • B. 

      Store-and-forward

    • C. 

      Fragment-free

    • D. 

      Cut-through

  • 73. 
    Which parameter does the router use to choose the path to the destination when there are multiple routes available?
    • A. 

      The lower gateway IP address to get to the destination network

    • B. 

      The higher gateway IP address to get to the destination network

    • C. 

      The lower metric value that is associated with the destination network

    • D. 

      The higher metric value that is associated with the destination network

  • 74. 
    Which two statements describe the functions or characteristics of ROM in a router? (Choose two.)
    • A. 

      Maintains instructions for POST diagnostics

    • B. 

      Stores bootstrap program

    • C. 

      Stores routing tables

    • D. 

      Holds ARP cache

    • E. 

      Allows software to be updated without replacing pluggable chips on the motherboard

  • 75. 
    Which statement describes a characteristic of the Cisco router management ports?
    • A. 

      Each Cisco router has a LED indicator to provide information about the status of the management ports.

    • B. 

      A console port is used for remote management of the router.

    • C. 

      Serial and DSL interfaces are types of management ports.

    • D. 

      A console port is not used for packet forwarding.

  • 76. 
    What happens when part of an Internet radio transmission is not delivered to the destination?
    • A. 

      The part of the radio transmission that was lost is re-sent.

    • B. 

      A delivery failure message is sent to the source host.

    • C. 

      The transmission continues without the missing portion.

    • D. 

      The entire transmission is re-sent.

  • 77. 
    What is the dotted decimal representation of the IPv4 address 11001011.00000000.01110001.11010011?
    • A. 

      203.0.113.211

    • B. 

      198.51.100.201

    • C. 

      209.165.201.223

    • D. 

      192.0.2.199

  • 78. 
    Which three IP addresses are private ? (Choose three.)
    • A. 

      192.168.5.5

    • B. 

      10.20.30.1

    • C. 

      172.32.5.2

    • D. 

      224.6.6.6

    • E. 

      192.167.10.10

    • F. 

      172.30.5.3

  • 79. 
    What types of addresses make up the majority of addresses within the /8 block IPv4 bit space?
    • A. 

      Experimental addresses

    • B. 

      Public addresses

    • C. 

      Multicast addresses

    • D. 

      Private addresses

  • 80. 
    Refer to the exhibit. What is the maximum TTL value that is used to reach the destination www.cisco.com?
    • A. 

      13

    • B. 

      14

    • C. 

      11

    • D. 

      12

  • 81. 
    A company has a network address of 192.168.1.64 with a subnet mask of 255.255.255.192. The company wants to create two subnetworks that would contain 10 hosts and 18 hosts respectively. Which two networks would achieve that? (Choose two.)
    • A. 

      192.168.1.96/28

    • B. 

      192.168.1.192/28

    • C. 

      192.168.1.16/28

    • D. 

      192.168.1.128/27

    • E. 

      192.168.1.64/27

  • 82. 
    In a network that uses IPv4, what prefix would best fit a subnet containing 100 hosts?
    • A. 

      /23

    • B. 

      /24

    • C. 

      /25

    • D. 

      /26

  • 83. 
    Which protocol supports rapid delivery of streaming media?
    • A. 

      Transmission Control Protocol

    • B. 

      Video over Internet Protocol

    • C. 

      Secure File Transfer Protocol

    • D. 

      Real-Time Transport Protocol

  • 84. 
    Why would a network administrator use the tracert utility?
    • A. 

      To identify where a packet was lost or delayed on a network

    • B. 

      To display the IP address, default gateway, and DNS server address for a PC

    • C. 

      To determine the active TCP connections on a PC

    • D. 

      To check information about a DNS name in the DNS server

  • 85. 
    Refer to the exhibit. What is the significance of the asterisk (*) in the exhibited output?
    • A. 

      An asterisk designates that the file system has at least one file that uses that file system.

    • B. 

      The asterisk shows which file system was used to boot the system.

    • C. 

      An asterisk indicates that the file system is bootable.

    • D. 

      The asterisk designates which file system is the default file system.

  • 86. 
    Which WLAN security protocol generates a new dynamic key each time a client establishes a connection with the AP?
    • A. 

      WPA

    • B. 

      EAP

    • C. 

      PSK

    • D. 

      WEP

  • 87. 
    Fill in the blank.Point-to-point communications where both devices can transmit and receive on the medium at the same time are known as____
  • 88. 
    A host is accessing a Telnet server on a remote network. Which three functions are performed by intermediary network devices during this conversation? (Choose three.)
    • A. 

      Applying security settings to control the flow of data

    • B. 

      Acting as a client or a server

    • C. 

      Regenerating data signals

    • D. 

      Serving as the source or destination of the messages

    • E. 

      Providing a channel over which messages travel

    • F. 

      Notifying other devices when errors occur

  • 89. 
    Refer to the exhibit. Which area would most likely be an extranet for the company network that is shown?
    • A. 

      Area C

    • B. 

      Area D

    • C. 

      Area B

    • D. 

      Area A

  • 90. 
    What is the purpose of having a converged network?
    • A. 

      To achieve fault tolerance and high availability of data network infrastructure devices

    • B. 

      To reduce the cost of deploying and maintaining the communication infrastructure

    • C. 

      To provide high speed connectivity to all end devices

    • D. 

      To make sure that all types of data packets will be treated equally

  • 91. 
    Three office workers are using the corporate network. The first employee uses a web browser to view a company web page in order to read some announcements. The second employee accesses the corporate database to perform some financial transactions. The third employee participates in an important live audio conference with other office workers in branch offices. If QoS is implemented on this network, what will be the priorities from highest to lowest of the different data types?
    • A. 

      Financial transactions, web page, audio conference

    • B. 

      Financial transactions, audio conference, web page

    • C. 

      Audio conference, financial transactions, web page

    • D. 

      Audio conference, web page, financial transactions

  • 92. 
    During normal operation, from which location do most Cisco switches and routers run the IOS?
    • A. 

      Flash

    • B. 

      Disk drive

    • C. 

      RAM

    • D. 

      NVRAM

  • 93. 
    A network administrator is making changes to the configuration of a router. After making the changes and verifying the results, the administrator issues the copy running-config startup-config command. What will happen after this command executes?
    • A. 

      The changes will be lost when the router restarts.

    • B. 

      The configuration will be copied to flash.

    • C. 

      The new configuration file will replace the IOS file.

    • D. 

      The configuration will load when the router is restarted.

  • 94. 
    What information does the loopback test provide?
    • A. 

      The device has end-to-end connectivity.

    • B. 

      The device has the correct IP address on the network.

    • C. 

      The TCP/IP stack on the device is working correctly.

    • D. 

      The Ethernet cable is working correctly.

    • E. 

      DHCP is working correctly.

  • 95. 
    What is a characteristic of the LLC sublayer?
    • A. 

      It provides delimitation of data according to the physical signaling requirements of the medium.

    • B. 

      It places information in the frame allowing multiple Layer 3 protocols to use the same network interface and media.

    • C. 

      It defines software processes that provide services to the physical layer.

    • D. 

      It provides the logical addressing required that identifies the device.

  • 96. 
    What method is used to manage contention-based access on a wireless network?
    • A. 

      CSMA/CA

    • B. 

      Token passing

    • C. 

      CSMA/CD

    • D. 

      Priority ordering

  • 97. 
    What happens when a switch receives a frame and the calculated CRC value is different than the value that is in the FCS field?
    • A. 

      The switch drops the frame.

    • B. 

      The switch floods the frame to all ports except the port through which the frame arrived to notify the hosts of the error.

    • C. 

      The switch notifies the source of the bad frame.

    • D. 

      The switch places the new CRC value in the FCS field and forwards the frame.

  • 98. 
    Which destination address is used in an ARP request frame?
    • A. 

      01-00-5E-00-AA-23

    • B. 

      FFFF.FFFF.FFFF

    • C. 

      0.0.0.0

    • D. 

      255.255.255.255

    • E. 

      127.0.0.1

  • 99. 
    What is the auto-MDIX feature on a switch?
    • A. 

      The automatic configuration of an interface for 10/100/1000 Mb/s operation

    • B. 

      The automatic configuration of full-duplex operation over a single Ethernet copper or optical cable

    • C. 

      The ability to turn a switch interface on or off accordingly if an active connection is detected

    • D. 

      The automatic configuration of an interface for a straight-through or a crossover Ethernet cable connection

  • 100. 
    Which frame forwarding method receives the entire frame and performs a CRC check to detect errors before forwarding the frame?
    • A. 

      Fast-forward switching

    • B. 

      Cut-through switching

    • C. 

      Fragment-free switching

    • D. 

      Store-and-forward switching

  • 101. 
    What are the two main components of Cisco Express Forwarding (CEF)? (Choose two.)
    • A. 

      ARP tables

    • B. 

      MAC-address tables

    • C. 

      Adjacency tables

    • D. 

      Routing tables

    • E. 

      Forwarding information base (FIB)

  • 102. 
    Which statement describes the sequence of processes executed by a router when it receives a packet from a host to be delivered to a host on another network?
    • A. 

      It receives the packet and forwards it directly to the destination host.

    • B. 

      It de-encapsulates the packet, selects the appropriate path, and encapsulates the packet to forward it toward the destination host.

    • C. 

      It selects the path and forwards it toward the destination host.

    • D. 

      It de-encapsulates the packet and forwards it toward the destination host.

  • 103. 
    Which technology provides a solution to IPv4 address depletion by allowing multiple devices to share one public IP address?
    • A. 

      APR

    • B. 

      NAT

    • C. 

      HTTP

    • D. 

      SMB

    • E. 

      DNS

    • F. 

      DHCP

  • 104. 
    Refer to the exhibit. Router R1 has two interfaces that were configured with correct IP addresses and subnet masks. Why does the show ip route command output not display any information about the directly connected networks?
    • A. 

      The no shutdown command was not issued on these interfaces.

    • B. 

      The gateway of last resort was not configured.

    • C. 

      The routing table will only display information about these networks when the router receives a packet.

    • D. 

      The directly connected networks have to be created manually to be displayed in the routing table.

  • 105. 
    What happens when part of an Internet television transmission is not delivered to the destination?
    • A. 

      The transmission continues without the missing portion.

    • B. 

      A delivery failure message is sent to the source host.

    • C. 

      The entire transmission is re-sent.

    • D. 

      The part of the television transmission that was lost is re-sent.

  • 106. 
    Which three statements characterize the transport layer protocols? (Choose three.)
    • A. 

      TCP uses windowing and sequencing to provide reliable transfer of data.

    • B. 

      TCP is a connection-oriented protocol. UDP is a connectionless protocol.

    • C. 

      TCP uses port numbers to provide reliable transportation of IP packets.

    • D. 

      UDP uses windowing and acknowledgments for reliable transfer of data.

    • E. 

      TCP and UDP port numbers are used by application layer protocols.

  • 107. 
    A user opens three browsers on the same PC to access www.cisco.com to search for certification course information. The Cisco web server sends a datagram as a reply to the request from one of the web browsers. Which information is used by the TCP/IP protocol stack in the PC to identify the destination web browser?
    • A. 

      The destination IP address

    • B. 

      The source port number

    • C. 

      The source IP address

    • D. 

      The destination port number

  • 108. 
    Which statement is true regarding the UDP client process during a session with a server?
    • A. 

      A session must be established before datagrams can be exchanged.

    • B. 

      Application servers have to use port numbers above 1024 in order to be UDP capable.

    • C. 

      Datagrams that arrive in a different order than that in which they were sent are not placed in order.

    • D. 

      A three-way handshake takes place before the transmission of data begins.

  • 109. 
    Which two components are configured via software in order for a PC to participate in a network environment? (Choose two.)
    • A. 

      MAC address

    • B. 

      Kernel

    • C. 

      Subnet mask

    • D. 

      Shell

    • E. 

      IP address

  • 110. 
    What are three characteristics of multicast transmission? (Choose three.)
    • A. 

      A single packet can be sent to a group of hosts.

    • B. 

      The source address of a multicast transmission is in the range of 224.0.0.0 to 224.0.0.255.

    • C. 

      Computers use multicast transmission to request IPv4 addresses.

    • D. 

      Multicast messages map lower layer addresses to upper layer addresses.

    • E. 

      Routers will not forward multicast addresses in the range of 224.0.0.0 to 224.0.0.255.

    • F. 

      Multicast transmission can be used by routers to exchange routing information.

  • 111. 
    Which two reasons generally make DHCP the preferred method of assigning IP addresses to hosts on large networks? (Choose two.)
    • A. 

      It guarantees that every device that needs an address will get one.

    • B. 

      It reduces the burden on network support staff.

    • C. 

      It provides an address only to devices that are authorized to be connected to the network.

    • D. 

      It ensures that addresses are only applied to devices that require a permanent address.

    • E. 

      It eliminates most address configuration errors.

  • 112. 
    What is the subnet address for the address 2001:DB8:BC15:A:12AB::1/64?
    • A. 

      2001:DB8:BC15:A:12::0

    • B. 

      2001:DB8:BC15:A:1::1

    • C. 

      2001:DB8:BC15::0

    • D. 

      2001:DB8:BC15:A::0

  • 113. 
    Which two tasks are functions of the presentation layer? (Choose two.)
    • A. 

      Authentication

    • B. 

      Encryption

    • C. 

      Addressing

    • D. 

      Session control

    • E. 

      Compression

  • 114. 
    What is the purpose of the network security authentication function?
    • A. 

      To provide challenge and response questions

    • B. 

      To keep track of the actions of a user

    • C. 

      To determine which resources a user can access

    • D. 

      To require users to prove who they are

  • 115. 
    Which type of wireless security makes use of dynamic encryption keys each time a client associates with an AP?
    • A. 

      WPA

    • B. 

      WEP

    • C. 

      PSK

    • D. 

      EAP

  • 116. 
    Fill in the blank.During data communications, a host may need to send a single message to a specific group of destination hosts simultaneously. This message is in the form of a _______ message.