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)
( |1 h5 A+ F% l" k1 s7 b4 LA. An IPv6 host must join the solicited-node multicast group for every unicast and anycast address on the
3 L$ Z# o. }3 V" x) M# h& xnode
* Z- Y# S# U( `  f: E' t: ~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
address
D. They perform neighbor unreachability detection only for neighbors that send multicast packets
E. Neighbors respone to solicitation messages by sending Router Advertisement message
F. They use UDP packets to perform neighbor unreachability detection
Correct Answer: AC
9 M" `  J5 v. }9 ]1 J& V

QOO99996

QUESTION 98 這題是CE還是BC ??
Which two statement about IGmp fitering are true?(Choose two)
" b' J3 N  x4 t; e! ~- S1 P) |A. It supports IGMPv3 traffic only
B. It allows Anycast RP to operate within a single AS
' A9 B" h. |0 J7 JC. It can be implemented on Layer-3 routed ports using the ip igmp access-list command
: Y4 _( f  S2 z. M( y' T, H' s9 {D. It eliminates the need for a multicast RP
" m5 o; E. ^! b/ ?4 k( e) i& hE. 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
1.C E
  h( K' F7 r' o' L; c+ n2.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
5 |3 I- V) a- T$ Z# K8 a3 u" ?1.C E
2.C D
: D  T& \7 W+ x7 j7 u" v3.D

第一题和第二题不是AE,BC么？

edward_cheung

lizexu 发表于 2017-5-14 16:31
1.C E
2.C D
( _  s' g2 M! e3.D

第一题和第二题不是AE,BC么？

hanzp

Thanks for sharing

Rockyw

路过了解一下