517中答案不一致的问题，求解答

ghostlyman

两题都是第58道

QUESTION 58
Which two are differences between IGMPv2 and IGMPv3 reports? (Choose two.)
A. IGMPv3 adds the ability to include or exclude source lists.
B. All IGMPv2 hosts send reports to destination address 224.0.0.22.
C. Only IGMPv3 reports may contain multiple group state records.
D. All IGMPv3 hosts send reports to destination address 224.0.0.23.
E. IGMPv2 does not support the Leave Group message.
Correct Answer: AC

QUESTION 58
Which two are differences between IGMPv2 and IGMPv3 reports? (Choose two.)
A. IGMPv3 has the ability to include or exclude source lists.
B. All IGMPv3 hosts send reports to destination address 224.0.0.22.
C. Only IGMPv2 reports may contain multiple group state records.
D. All IGMPv3 hosts send reports to destination address 224.0.0.23.
E. IGMPv2 does not support the Leave Group message.
Correct Answer: AB

shaoyung

jlp999

这三个选项都对不就行了吗！

lcsuper8896

楼主请仔细看题。

leo1234

lcsuper8896 发表于 2013-11-29 23:58

                               
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楼主请仔细看题。

两题的选项是变了的，都是对的。

C. Only IGMPv3 reports may contain multiple group state records

    Only IGMPv2 reports may contain multiple group state records.