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全部科目 > 软件认证工程师考试 > 思科认证考试 > CCNA系列认证 > CCNA(640-801)

单项选择题

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

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单项选择题

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

单项选择题

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

单项选择题

The TestKing network was assigned the Class C network 199.166.131.0 from the ISP. If the administrator at TestKing were to subnet this class C network using the 255.255.255.224 subnet mask, how may hosts will they be able to support on each subnet?（）

A. 14
B. 16
C. 30
D. 32
E. 62
F. 64

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