无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

單項選擇題

Which of the following is an invalid subnet mask?（）

A.255.0.0.0
B.255.256.255.0
C.255.255.255.255
D.255.255.00

你可能感興趣的試題

單項選擇題

Which of the following protocols is the LEAST secure and should be avoided on a wireless network?（）

A.WEP
B.PEAP
C.WPA
D.TKIP

單項選擇題

Which of the following should be configured to provide priority to voice traffic?（）

A. Port mirroring
B. DMZ
C. Qos
D. Trunking

<blockquote id="2w3ap"></blockquote>

<ruby id="2w3ap"><xmp id="2w3ap"></xmp></ruby>