单项选择题
Which of the following wireless standards was the FIRST standard to be ratified and is used to support legacy wireless devices?（）
A.802.11a
B.802.11g
C.802.11b
D.802.11n
点击查看答案
相关考题
-
单项选择题
Which of the following is used to create multiple networks from one large network?（）
A.PAT
B.NAT
C.Multicast
D.Subnetting -
单项选择题
Which of the following tools allows an administrator to determine the MAC address of another computer?（）
A.ping
B.arp
C.ifconfig
D.ipconfig -
单项选择题
After 100 meters (328 feet), CAT6 cabling is known to experience which of the following symptoms?（）
A. Signal loss
B. Signal bleed
C. Data collision
D. Crosstalk
