單項選擇題

What is the function of the Type 4 LSA?（）

A. Advertise cost to the ABR.
B. Summarize external routes.
C. Advertise cost to the ASBR.
D. Report a broadcast segment's DR

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單項選擇題

TLVs can be carried in what type of IS-IS PDU?（）

A. LSPs only
B. All PDU types
C. CSNPs and LSPs
D. PSNPs and CSNPs

單項選擇題

By default, which IS-IS metric types does JUNOS software support?（）

A. receiving of wide metrics only
B. sending of narrow metrics only
C. receiving of narrow metrics only
D. sending and receiving of narrow and wide metrics