单项选择题

Which of the following is a valid representation of the……

Which of the following is a valid representation of the following IPv6 address：
2001：0000：0000：0abc：0000：0000：000a：000b？ Choose the answer with the least number of digits.（）

A.2001：0000：0：abc：0000：0000：a：b
B.2001：：abc：：a：b
C.2001：：abc：0：0：000a：000b
D.2001：：0abc：0000：0000：a：b
E.2001：0000：0000：abc：：a：b
F.2001：：abc：0：0：a：b

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单项选择题Whichofthefollowingisnotatypicalwirelesstroubleshootingtarget？（）

A.Quality of Service
B.Trunk configuration
C.Access lists
D.Routing protocol configuration
E.Power over Ethernet
F.DHCP configuration

单项选择题WhichofthefollowingsolutionswillencapsulateIPv6packetswithIPv4headers？（）

A.Create an IPv4 tunnel and assign the tunnel IPv6 addresses
B.Create IPv4 interfaces on both ends of the network， and use either static routes or a routingprocess to direct IPv6 packets through those interfaces
C.IPv6 packets cannot be encapsulated with IPv4 headers because the addresses are notcompatible
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多项选择题WhichofthefollowingcharacteristicsarecommontobothRIPv2andRIPng？（Chooseallthatapply.）（）

A.Link-local address used for next-hop addresses
B.Interface can be added to RIP routing process in either interface configuration mode or in routerconfiguration mode
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多项选择题Whichofthefollowingisavalidmethodfordefiningaseedmetric？（Chooseallthatapply.）（）

A.The default-metric command configured under the appropriate interface
B.The metric parameter in the network command of a routing process
C.The metric parameter in the redistribute command
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F.A route map containing a metric command