单项选择题

Within IS-IS, the restart helper performs which task?（）

A. It sends CSNPs to the restarting router.
B. It periodically sends TLV 211 to the restarting router.
C. It informs other routers in the domain that a router has restarted.
D. It tears down adjacency and sends its entire database after 30 seconds.

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热门试题

单项选择题How many OSPF authentication types can be configured on a subinterface using JUNOS software?（）

A.0
B.1
C.2
D.3

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

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.