The following is correct about the LSA of OSPFv3

• A.Inter-Area PrefirLSA also contains LinkLocal Information
• B.When the Referenced Link State Type-2 of the Intra-AreaPrefixLSA, referenced Link State ID Contains the interface ID of the DR
• C.Router-LSA and Network-LSA do not contain routing information
• D.The Link State ID of inter-area prefix-SA, which contains prefix information

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The following description of the CHAP authentication function in the PPP protocol is correct? (Multiple choice questions).

• A.is calculated using the MD5 algorithm Three message interactions are required for authentication, and only the user name is transmitted on the network without the password
• B.can also be configured without the authenticated party interface Using the authentication sequence ID, random number, and key, a Hash value
• C.The user name must be configured under the authenticated party interface for CHAP authentication
• D.If the authenticator does not have a username configured, password

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In an HWIP multicast network, where multiple sources exist and each source has several receivers, which protocol allows source-to-RP traffic and RP-to-receiver traffic to share the same tree 2?

• A.PIM-DM
• B.56768GZliuji
• C.DVMRP
• D.MOSPF
• E.PIM SM

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The correct description of configuring BGP4+ is that

• A.BGP4+ does not support route reflectors.
• B.BGP4 configures the reflector, the role positioning of the reflector and the client needs to be consistent with the configuration of BGP4
• C.BGP4 specifies p
• D.The next hop of a BGP4 route can use the Link-Local address.
• E.BGP4+? Router-ID? BGP4? Router-ID-??

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The correct description about the prefix list is:

• A.The prefix list can be used to filter packets
• B.The prefix list cannot be used for packet filtering
• C.The prefix list is used to filter IP prefixes, and cannot match both the prefix number and the prefix length
• D.The prefix list is used to filter P prefixes and can match both prefix numbers and prefix lengths

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