單項(xiàng)選擇題The IP network 210.106.14.0 is subnetted using a /24 mask. How many usable networks and host addresses can be obtained from this?()

A. 1 network with 254 hosts
B. 4 networks with 128 hosts
C. 2 networks with 24 hosts
D. 6 networks with 64 hosts
E. 8 networks with 36 hosts


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2.多項(xiàng)選擇題Using a subnet mask of 255.255.255.224, which of the IP addresses below can you assign to the hosts on this subnet?()

A.16.23.118.63
B.87.45.16.159
C.92.11.178.93
D.134.178.18.56
E.192.168.16.87
F.217.168.166.192

4.單項(xiàng)選擇題Which one of the binary bit patterns below denotes a Class B address?()

A. 0xxxxxxx
B. 10xxxxxx
C. 110xxxxx
D. 1110xxxx
E. 11110xxx

5.單項(xiàng)選擇題What is the IP address range for the first octet in a class B address, in binary form?()

A.00000111-10001111
B.00000011-10011111
C.10000000-10111111
D.11000000-11011111
E.11100000-11101111
F.None of the above

6.單項(xiàng)選擇題What is the subnet for the host IP address 201.100.5.68/28?()

A.201.100.5.0
B.201.100.5.32
C.201.100.5.64
D.201.100.5.65
E.201.100.5.31
F.201.100.5.1

7.單項(xiàng)選擇題What is the subnet for the host IP address 172.16.210.0/22?()

A. 172.16.42.0
B. 172.16.107.0
C. 172.16.208.0
D. 172.16.252.0
E. 172.16.254.0
F. None of the above


9.單項(xiàng)選擇題How many subnetworks and hosts are available per subnet if you apply a /28 mask to the 210.10.2.0 class C network?()

A. 30 networks and 6 hosts.
B. 6 networks and 30 hosts.
C. 8 networks and 32 hosts.
D. 32 networks and 18 hosts.
E. 14 networks and 14 hosts.
F. None of the above

10.單項(xiàng)選擇題You have a Class C network, and you need ten subnets. You wish to have as many addresses available for hosts as possible. Which one of the following subnet masks should you use?()

A. 255.255.255.192
B. 255.255.255.224
C. 255.255.255.240
D. 255.255.255.248
E. None of the above

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