试题详情
- 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.
- A
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