A、who are you?
B、don't ask me.
C、I don't know.
D、would you please ring them up this afternoon?
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A、It is the size of the RSVP hello packet B、It is how long it maintains RSVP neighbors C、It is the length of time between RSVP hello packets D、It is how long the router waits before declaring a router to be down
A、A.Don't worry about it. B、B.Congratulations! That's a difficult course. C、C.Mr. Brown is very good. D、D.Good luck to you！
A、BGP updates that travel through the local router and are destined for a remote router. B、OSPF hello packets that are sent from a remote router and are destined for the local router. C、Telnet traffic that is sent from a remote host and is destined for the local router. D、Telnet traffic that travels through the local router and is destined for a remote end host.
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