119Q几道有争执的题

QOO99996

130Q裡面的Q46答案是AC還是CF ??
QUESTION 46
* M$ T2 R! V& [0 Q* A/ hWhich 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
2 _; Q" V$ B% F& p( D" M3 @; hC. Solicited-node multicast addresses are based on the lower-order 24 bits of the unicast or anycast
address
: o2 c) A, X6 {8 @+ dD. They perform neighbor unreachability detection only for neighbors that send multicast packets
E. Neighbors respone to solicitation messages by sending Router Advertisement message
' S. Q$ y- T/ Q; T! R4 J  h3 QF. They use UDP packets to perform neighbor unreachability detection
Correct Answer: AC

QOO99996

QUESTION 98 這題是CE還是BC ??
1 @3 S5 p2 F/ ^" }# aWhich two statement about IGmp fitering are true?(Choose two)
A. It supports IGMPv3 traffic only
B. It allows Anycast RP to operate within a single AS
& t/ W. y' U0 @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
Correct Answer: CE

暗夜any

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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？

edward_cheung

lizexu 发表于 2017-5-14 16:31
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2.C D
3.D

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