单项选择题
Which of the following has the HIGHEST data rate speed?（）
A.T1
B.ADSL
C.SDSL
D.OC-3
点击查看答案
相关考题
-
单项选择题
Which of the following should be used to test an internal NIC without having to connect it to thenetwork?（）
A. Loopback cable
B. Crossover cable
C. Rollover cable
D. Straight cable -
单项选择题
A stateless firewall requires a technician to:（）
A. Write more packet filters.
B. Write less packet filters.
C. Purchase a license for states.
D. Upgrade definitions manually -
单项选择题
How many bits are in an IPv6 address?（）
A.32
B.64
C.128
D.256
