ISIS elects DIS in broadcast multiplexed access networks, and the following statement about DIS is correct?( Multiple choice)

Question

Kevin Langthorne · Accepted Answer

ISIS elects dis by comparing priorities, and mac addresses if the priorities are consistent

Kevin Langthorne · Accepted Answer

In a broadcast multiple access network, DIS sends Hello PDUs at three times the frequency

Kevin Langthorne · Accepted Answer

DIS guarantees database synchronization by periodically sending CSNP messages

Kevin Langthorne · Answer

DIS supports preemption function, after the new DIS preemption is successful, there is no need to flood any LSP packet

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