When two routers exchange LSDB information using DD packets, a master/slave relationship is formed first, the router with a larger router ID is the master, and determine the MS bit.

• A.FALSE
• B.TRUE

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Which of the following statements regarding the LSA age field are true?

• A.If the LS age of a LSA has reached the LSRefreshTime (30 minutes), any router can regenerate an instance of this LSA again.
• B.The unit of this field is seconds. In a LSDB, the LS age of a LSA increases with time.
• C.If the LS age of a LSA has reached the LSRefreshTime (30 minutes), the originator of this LSA needs to regenerate an instance of this LSA again.
• D.The unit of this field is seconds. In a LSDB, the LS age of a LSA decreases with time.

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Preferences of routing protocols determine the sequence In which a router selects a route among routes to the same destination /earned through different routing protocols.

• A.TRUE
• B.FALSE

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To inject IGP routes into BGP routes, you can only use the network command.

• A.FALSE
• B.TRUE

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Which of the following statements regarding the summary automatic command and BGP route summarization is false?

• A.This command is used to implement automatic summarization. Automatic summarization takes precedence over manual summarization
• B.After this command is configured, BGP summarizes routes based on natural network segments
• C.After this command is configured, BGP sends only the summarized routes to peers
• D.This command enables automatic summarization for the locally imported routes

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