單項(xiàng)選擇題What is known as "one-to-nearest" addressing in IPv6?()

A. global unicast
B. anycast
C. multicast
D. unspecified address


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1.單項(xiàng)選擇題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

2.單項(xiàng)選擇題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

3.單項(xiàng)選擇題How many bits are contained in each field of an IPv6 address?()

A. 24
B. 4
C. 8
D. 16

4.單項(xiàng)選擇題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

5.單項(xiàng)選擇題A system administrator installed a new switch using a script to configure it. IP connectivity was tested using pings to SwitchB. Later attempts to access NewSwitch using Telnet from SwitchA failed. Which statement is true?()

A. Executing password recovery is required.
B. The virtual terminal lines are misconfigured.
C. Use Telnet to connect to RouterA and then to NewSwitch to correct the error.
D. Power cycle of NewSwitch will return it to a default configuration.

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