单项选择题

Which option is a valid IPv6 address?（）……

Which option is a valid IPv6 address?（）

A. 2001:0000:130F::099a::12a
B. 2002:7654:A1AD:61:81AF:CCC1
C. FEC0:ABCD:WXYZ:0067::2A4
D. 2004:1:25A4:886F::1

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热门试题

单项选择题What is known as one-to-nearest addressing in IPv6?（）

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

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

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