单项选择题

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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单项选择题

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

单项选择题

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

单项选择题

What is the procedure for announcing routes leared from RIP to ISIS neighbors?（）

A. Apply an import policy to RIP which announces the routes to ISIS.
B. Apply an export policy to ISIS which announces the routes to ISIS.
C. Apply an export policy to RIP which announces the routes to ISIS.
D. Apply an import policy to ISIS which imports the routes into ISIS.