119Q几道有争执的题

QOO99996

130Q裡面的Q46答案是AC還是CF ??
QUESTION 46
Which two statements about IPv6 multicast address are true?(Choose two)
A. An IPv6 host must join the solicited-node multicast group for every unicast and anycast address on the
node
B. IPv6 routers update their routing tables when they receive a redirect message on a segment
C. Solicited-node multicast addresses are based on the lower-order 24 bits of the unicast or anycast
4 O5 Q  ]. R% P- b, {address
$ c( X) f% d- H, Z+ \D. They perform neighbor unreachability detection only for neighbors that send multicast packets
9 E! a! h8 l3 ^- a; |* A, p0 OE. Neighbors respone to solicitation messages by sending Router Advertisement message
F. They use UDP packets to perform neighbor unreachability detection
$ F; Y) h7 _) t7 a9 h" G. `Correct Answer: AC

QOO99996

QUESTION 98 這題是CE還是BC ??
Which two statement about IGmp fitering are true?(Choose two)
1 l5 ~$ D0 N) k, TA. It supports IGMPv3 traffic only
B. It allows Anycast RP to operate within a single AS
C. It can be implemented on Layer-3 routed ports using the ip igmp access-list command
D. It eliminates the need for a multicast RP
E. It can be implemented on Layer-2 swirchports using IGMP profiles
- F( C# m7 x' B* g$ b. l! T" fCorrect Answer: CE

暗夜any

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edward_cheung

lizexu 发表于 2017-5-14 16:31
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/ f5 y& D$ R6 J; V第一题和第二题不是AE,BC么？

edward_cheung

lizexu 发表于 2017-5-14 16:31
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- n3 I3 A9 U4 T0 ?: ^* X2 r第一题和第二题不是AE,BC么？

edward_cheung

lizexu 发表于 2017-5-14 16:31
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第一题和第二题不是AE,BC么？

hanzp

Thanks for sharing

Rockyw

路过了解一下