CCNA 1 Chapter 5

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 CCNA 1 chapter 5
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  • 1. 
    __________ is reserved for multicast use.
    • A. 

      Class A

    • B. 

      Class B

    • C. 

      Class C

    • D. 

      Class D

    • E. 

      Class E


  • 2. 
    An IP address is assigned to the __________ connection for a host.

  • 3. 
    The ___________ signifies which part of the IP address is network and which part is host.

  • 4. 
    These addresses are typically assigned to large organizations.
    • A. 

      Class A

    • B. 

      Class B

    • C. 

      Class C

    • D. 

      Class D

    • E. 

      Class E


  • 5. 
    These addresses are typically used for medium-sized networks.
    • A. 

      Class A

    • B. 

      Class B

    • C. 

      Class C

    • D. 

      Class D

    • E. 

      Class E


  • 6. 
    __________ addresses are usually assigned to small networks.
    • A. 

      Class A

    • B. 

      Class B

    • C. 

      Class C

    • D. 

      Class D

    • E. 

      Class E


  • 7. 
    Give examples of end-user devices with network interfaces.
    • A. 

      Workstations

    • B. 

      Servers

    • C. 

      Ip phones

    • D. 

      Network printers

    • E. 

      None of the above


  • 8. 
    True of false. Can some servers can have more than one NIC and each of these has its own IP address?
    • A. 

      True

    • B. 

      False


  • 9. 
    A host needs an _________ to participate on the Internet.
    • A. 

      Ip address

    • B. 

      Mac address

    • C. 

      Host address


  • 10. 
    First octet range of Class E.

  • 11. 
    The class of an address can be determined by the value of the ______ octet.
    • A. 

      First

    • B. 

      Second

    • C. 

      Third


  • 12. 
    An IP address is simply a series of ________ binary bits (ones and zeros).
    • A. 

      32

    • B. 

      64

    • C. 

      128


  • 13. 
    First octet range of Class A.

  • 14. 
    First octet range of Class C.

  • 15. 
    The IP address is a ________ network address that identifies a particular host.

  • 16. 
    With a broadcast, the packet contains a ______________ with all ones (1s) in the host portion. This means that all hosts on that local network (broadcast domain) will receive and look at the packet.

  • 17. 
    True of False. Private addresses can be used internally by hosts in an organization as long as the hosts do not connect directly to the Internet.
    • A. 

      True

    • B. 

      False


  • 18. 
    __________ is for experimental use.
    • A. 

      Class A

    • B. 

      Class B

    • C. 

      Class C

    • D. 

      Class D

    • E. 

      Class E


  • 19. 
    First octet range of Class D.

  • 20. 
    Give two examples of protocols that use broadcast.
    • A. 

      ARP

    • B. 

      DHCP

    • C. 

      FTP


  • 21. 
    _________is a standard that reserves several ranges of addresses within each of the classes A, B and C.

  • 22. 
    First octet range of Class B.

  • 23. 
    For a unicast packet to be sent and received, a destination IP address must be in the IP packet header. A corresponding destination __________must also be present in the Ethernet frame header. The IP address and MAC address combine to deliver data to one specific destination host.

  • 24. 
    A Class B network of 172.16.0.0, with a default mask of 255.255.0.0, has a broadcast of ?

  • 25. 
    ____________devices combine an integrated router and a modem in one unit, and connect directly to the ISP service.

  • 26. 
    The process used to convert private addresses to Internet-routable addresses.

  • 27. 
    There are also private addresses that can be used for the diagnostic testing of devices. This type of private address is known as a _____________.

  • 28. 
    How large are IPv4 addresses?
    • A. 

      8 bits

    • B. 

      16 bits

    • C. 

      32 bits

    • D. 

      64 bits

    • E. 

      128 bits


  • 29. 
    The range of multicast addresses is from ?

  • 30. 
    The multicast MAC address is a special value that begins with__________ in hexadecimal.

  • 31. 
    A Class A network of 10.0.0.0, with a default mask of 255.0.0.0, has a broadcast of ?

  • 32. 
    Explain Static Address?
    • A. 

      With a static assignment, the network administrator must manually configure the network information for a host. At a minimum, this includes the host IP address, subnet mask and default gateway.

    • B. 

      Is an automatic address entered by the system administrator

    • C. 

      Is a permanent address assign in a host


  • 33. 
    Explain Dynamic Address?
    • A. 

      . Dynamic IP addresses are most frequently assigned on LANs and broadband networks by (DHCP) servers. They are used because it avoids the administrative burden of assigning specific static addresses to each device on a network. It also allows many devices to share limited address space on a network if only some of them will be online at a particular time. In most current desktop operating systems, dynamic IP configuration is enabled by default so that a user does not need to manually enter any settings to connect to a network with a DHCP server.

    • B. 

      Is a manual address entered by System Administrator


  • 34. 
    A broadcast IP address for a network needs a corresponding broadcast _________ in the Ethernet frame.

  • 35. 
    Which part of an IP address identifies a specific device on a network?
    • A. 

      First two octets

    • B. 

      Third and fourth octets

    • C. 

      Network portion

    • D. 

      Host portion

    • E. 

      Only the fourth octet


  • 36. 
    How many usable hosts are available given a Class C IP address with the default subnet mask?
    • A. 

      254

    • B. 

      255

    • C. 

      256

    • D. 

      510

    • E. 

      511

    • F. 

      512


  • 37. 
    Provides a mechanism for the automatic assignment of addressing information such as IP address, subnet mask, default gateway, and other configuration information?

  • 38. 
    As with ______________, the gateway device receives a public address from the ISP and internal PCs will receive private addresses from the gateway device.

  • 39. 
    A Class C network 192.168.1.0 with a default subnet mask of 255.255.255.0 has a broadcast address of?

  • 40. 
    Explain NAT. 
    • A. 

      Network Address Translation. The process of re-writing the source or destination address of IP packets as they pass through a router or firewall so multiple hosts on a private network can access the Internet using a single public IP address.

    • B. 

      A convertible address that is assign on a host

    • C. 

      An automatic address for a host


  • 41. 
    Which default subnet mask provides the most host bits?
    • A. 

      255.0.0.0

    • B. 

      255.255.0.0

    • C. 

      255.255.255.0

    • D. 

      255.255.255.252


  • 42. 

    Refer to the graphic. A host connects to a Linksys integrated router that is also a DHCP server and receives an IP address from it. Which address does the host need to access the ISP and the Internet?
    • A. 

      IP address of the destination host

    • B. 

      Public gateway IP address of the ISP

    • C. 

      External IP address of the integrated router that connects to the ISP

    • D. 

      Internal IP address of the integrated router that connects to the local network


  • 43. 

    Refer to the graphic. A user at the workstation cannot connect to the server. All cables have been tested and are working and all devices have IP addressing. However, the user cannot ping the server. What is causing the problem?
    • A. 

      The router interface does not have a default gateway.

    • B. 

      The switch does not have an IP address and default gateway.

    • C. 

      The workstation and server are on different logical networks.

    • D. 

      The workstation does not know the MAC address of the switch


  • 44. 
    Yvonne is talking to her friend on the phone. What type of message is this?
    • A. 

      Broadcast

    • B. 

      Simulcast

    • C. 

      Multicast

    • D. 

      Unicast


  • 45. 
    Given a host with the IP address 172.32.65.13 and a default subnet mask, to which network does the host belong?
    • A. 

      172.32.65.0

    • B. 

      172.32.65.32

    • C. 

      172.32.0.0

    • D. 

      172.32.32.0


  • 46. 
    How many bits are available for Class B host IP addresses using a default subnet mask?
    • A. 

      4

    • B. 

      8

    • C. 

      16

    • D. 

      24


  • 47. 
    A PC obtains its IP address from a DHCP server. If the PC is taken off the network for repair, what happens to the IP address configuration?
    • A. 

      The configuration is permanent and nothing changes.

    • B. 

      The address lease is automatically renewed until the PC is returned.

    • C. 

      The address is returned to the pool for reuse when the lease expires.

    • D. 

      The configuration is held by the server to be reissued when the PC is returned.


  • 48. 
    Which of the following are private IP addresses? (Choose three.)
    • A. 

      10.1.1.1

    • B. 

      172.32.5.2

    • C. 

      192.167.10.10

    • D. 

      172.16.4.4

    • E. 

      192.168.5.5

    • F. 

      224.6.6.6


  • 49. 
    What is the destination MAC address in a multicast Ethernet frame?
    • A. 

      The MAC address of the sending host

    • B. 

      The MAC address of the destination host

    • C. 

      An address that begins with 01-00-5E in hexadecimal

    • D. 

      A 48-bit hexadecimal address expressed as FF-FF-FF-FF-FF-FF


  • 50. 
    What information must be included within a unicast message for it to be delivered on an Ethernet network?
    • A. 

      MAC and IP addresses for the default router

    • B. 

      IP address and subnet mask of the default gateway

    • C. 

      MAC and IP addresses that correspond to a destination group

    • D. 

      MAC and IP addresses that correspond to a specific destination host


  • 51. 
    Which three statements describe a DHCP Discover message? (Choose three.)
    • A. 

      The source MAC address is 48 ones (FF-FF-FF-FF-FF-FF).

    • B. 

      The destination IP address is 255.255.255.255.

    • C. 

      The message comes from a client seeking an IP address.

    • D. 

      All hosts receive the message, but only a DHCP server replies.

    • E. 

      Only the DHCP server receives the message.


  • 52. 
    What destination IP address is used in a unicast packet?
    • A. 

      A specific host

    • B. 

      A group of hosts

    • C. 

      The default gateway

    • D. 

      The network broadcast address


  • 53. 
    Which statement is true concerning private IP addresses?
    • A. 

      Ensures that two networks separated by the Internet use unique IP network numbers

    • B. 

      Allows internal hosts to communicate with servers across the Internet

    • C. 

      Solves the issue of a finite number of available public IP addresses

    • D. 

      Allows for ISPs to be able to quickly determine network location


  • 54. 
    What is one of the purposes of NAT?
    • A. 

      Filters network traffic based on IP address ranges

    • B. 

      Prevents external users from detecting the IP addresses used on a network

    • C. 

      Inspects traffic that might be harmful or used in an attack against the network

    • D. 

      Translates IP addresses into easy-to-remember domain names


  • 55. 
    Assuming a default mask, which portion of the IP address 175.124.35.4 represents the host?
    • A. 

      175.124

    • B. 

      35.4

    • C. 

      .4

    • D. 

      124.35.4

    • E. 

      175.124.35


  • 56. 
    Which two statements describe packets that are sent through a Linksys integrated router using NAT? (Choose two.)
    • A. 

      Packets that are sent to any destination need to be translated.

    • B. 

      Packets that are sent to hosts on the same network need to be translated.

    • C. 

      Packets that are sent to a destination outside a local network do not need to be translated.

    • D. 

      Packets that are sent between hosts on the same local network do not need to be translated.


  • 57. 
    Which type of server dynamically assigns an IP address to a host?
    • A. 

      ARP

    • B. 

      DHCP

    • C. 

      DNS

    • D. 

      RARP


  • 58. 

    Refer to the graphic. NAT and DHCP are installed on the Linksys integrated router. Which IP address is most likely to be assigned to the local computer, Host1?
    • A. 

      10.0.0.17

    • B. 

      128.107.1.2

    • C. 

      192.135.250.0

    • D. 

      209.165.201.1


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