单项选择题
Which type of cable is used to connect the COM port of a host to the COM port of a router or switch?（）
A. crossover
B. straight-through
C. rolled
D. shielded twisted-pair
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相关考题
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单项选择题
Which Cisco Catalyst feature automatically disables the port in an operational PortFast upon receipt of a BPDU?（）
A. BackboneFast
B. UplinkFast
C. Root Guard
D. BPDU Guard
E. BPDU Filter -
单项选择题
How many bits are contained in each field of an IPv6 address?（）
A. 24
B. 4
C. 8
D. 16 -
单项选择题
For which type of connection should a straight-through cable be used?（）
A. switch to switch
B. switch to hub
C. switch to router
D. hub to hub
E. router to PC
