單項選擇題以下哪組網(wǎng)絡ID 和子網(wǎng)掩碼正確標識了從172.16.128.0到172.16.159.255的所有IP 地址?()

A.172.16.128.0、255.255.255.224
B.172.16.128.0、255.255.0.0
C.172.16.128.0、255.255.192.0
D.172.16.128.0、255.255.224.0
E.172.16.128.0、255.255.255.192


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2.單項選擇題作為網(wǎng)絡管理員,假設IP 地址為172.30.0.0,能夠支持510臺主機的子網(wǎng)掩碼是什么?()

A.255.255.0.0
B.255.255.248.0
C.255.255.252.0
D.255.255.254.0
E.255.255.255.0
F.255.255.255.128

4.多項選擇題哪三個地址屬于公有IP 地址?()

A.127.0.0.1
B.196.1.105.6
C.132.11.9.99
D.10.0.0.1
E.172.16.9.10
F.46.1.1.97

5.單項選擇題

請參見圖示。圖中所示的主機連接到集線器1。為了讓該主機在網(wǎng)絡中正常工作,應該為其分配怎樣的IP 地址、子網(wǎng)掩碼和默認網(wǎng)關?()

A.IP 地址:172.16.31.36,子網(wǎng)掩碼:255.255.255.240,默認網(wǎng)關:172.16.31.35
B.IP 地址:172.16.31.63,子網(wǎng)掩碼:255.255.255.224,默認網(wǎng)關:172.16.31.35
C.IP 地址:172.16.31.29,子網(wǎng)掩碼:255.255.255.248,默認網(wǎng)關:172.16.31.35
D.IP 地址:172.16.31.32,子網(wǎng)掩碼:255.255.255.224,默認網(wǎng)關:172.16.31.35
E.IP 地址:172.16.31.29,子網(wǎng)掩碼:255.255.255.240,默認網(wǎng)關:172.16.30.1
F.IP 地址:172.16.31.37,子網(wǎng)掩碼:255.255.255.224,默認網(wǎng)關:172.16.31.35