单项选择题
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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相关考题
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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 -
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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
