400-101, 163题，还有个答案是什么？

ewring

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QUESTION 163
Which two statements about MLD are true? (Choose two.)
7 S2 @5 C& F( C* a! E- V3 M  @A. There are three subtypes of MLD Query messages.
  K9 _" M1 Z3 k! d1 Z+ ?6 y& H$ ~  jB. When a single link supports multiple interfaces, only one interface is reQuired to send MLD messages.
' p. f6 `) k2 c: Y: f$ d4 BC. MLD is a subprotocol of PIMv6.
D. When a single link supports multiple interfaces, all supported interfaces are reQuired to send MLD messages.
E. The code section in the MLD message is set to 1 by the sender and ignored by receivers
( m7 ~, P  ^9 v* a! L1 a2 K, e F.MLD is a subprotocol of ICMPv6.


下面这题 是要有2个答案，一个答案是B ，还有一个 是哪个 喃？
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bobwang

应该是B和F

auby1982

B和F

winfgin

MLD使用ICMPv6的报文格式，F
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rluo

B,F

black105133