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Review Questions

153

  • 15.

    You have a Class B network ID and need about 450 IP addresses per subnet. What is the best mask for this network?

    • A.

      255.255.240.0

    • B.

      255.255.248.0

    • C.

      255.255.254.0

    • D.

      255.255.255.0

16. You have a network as shown in the following graphic. Why can’t the host talk to the remote network?

Host address: 192.168.10.40 Subnet mask: 255.255.255.240 Default gateway: 192.168.10.32

F0/27

1900

F0/26

F0/0

Lab A

S0/0

_

    • A.

      The default gateway is on another subnet.

    • B.

      The host has the wrong IP address for the subnet.

    • C.

      The host has an invalid default gateway address.

    • D.

      The router and the host have different subnet masks.

  • 17.

    Which configuration command must be in effect to allow the use of 8 subnets if the Class C

subnet mask is 255.255.255.224?

A. B. C. D. E. F.

Router(config)#ip Router(config)#ip Router(config)#no Router(config)#ip Router(config)#ip Router(config)#ip

classless version 6 ip classful unnumbered subnet-zero all-nets

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