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單項選擇題

In network that support VLSM, which network mask should be used for point-to-point WAN links in order to reduce waste of IP addresses?（）

A./24
B./30
C./27
D./26
E./32

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多項選擇題

Which of the following IP addresses for the network 27.35.16.32/28 can be assigned to hosts?（）

A.27.35.16.32
B.27.35.16.33
C.27.35.16.48
D.27.35.16.47
E.27.35.16.45
F.27.35.16.44

單項選擇題

What is the maximum number of IP addresses that can be assigned to hosts on a local subnet that use the 255.255.255.224 subnet mask?（）

A.14
B.15
C.16
D.30
E.31
F.32