单项选择题

WhenaBGProuterisnotcapableofunderstanding4-byteASnumber……

When a BGP router is not capable of understanding 4-byte AS numbers， it will see 4-byte AS numbers as aspecial， reserved， 2-byte AS number in the AS path. Which 2-byte AS number is this reserved one？（）

A.00000
B.12345
C.23456
D.65000
E.99999

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热门试题

单项选择题DuringtheIPv6addressresolution，anodesendsaneighborsolicitationmessageinordertodiscoverwhichofthese？（）

A. The Layer 2 multicast address of the destination node
B. The solicited node multicast address of the destination node
C. The Layer 2 address of the destination node based on the destination IPv6 address
D. The IPv6 address of the destination node based on the destination Layer 2 address

多项选择题WhichtwotunnelingtechniquesinIPv6donotrequireanIPv4tunneldestinationintheconfiguration？（）

A.6to4
B.6over4
C.ISATAP
D.GRE

多项选择题WhichtwoofthefollowingareconsideredvalidrouterIDsforEIGRPv6？（）

A.0.0.0.1
B.0.255.0.1
C.2001：DB8：：1
D.2001：DB8：ABCD：FEEF：：1

多项选择题WhichtwoIPv6addresspairscanbeassignedonapoint-to-pointlinkwitha 125mask？（）

A.2001：DB8：：1 and 2001：DB8：：2
B.2001：DB8：：9 and 2001：DB8：：10
C.2001：DB8：：10 and 2001：DB8：：17
D.2001：DB8：：1 and 2001：DB8：：18

多项选择题WhichthreecausescouldpreventahostfromgettinganIPv6addresswithstatelessautoconfiguration？（）

A.The autoconfig command is missing from the router interface.
B.IPv6 multicast routing is not enabled on the router interface.
C.IPv6 unicast routing is not enabled on the router interface.
D.The router interface is configured with a /63 mask.
E.The router interface is configured with a /65 mask.