Juniper
JN0-349 · Question #128
What are three reasons a router would send out an IS-IS link-state PDU? (Choose three.)
The correct answer is B. The router's link to a neighbor goes down. C. A new neighbor exists on the link. D. The cost of a link to an existing neighbor has changed. See the full explanation below for the reasoning.
Question
What are three reasons a router would send out an IS-IS link-state PDU? (Choose three.)
Options
- AA new external route is imported from BGP.
- BThe router's link to a neighbor goes down.
- CA new neighbor exists on the link.
- DThe cost of a link to an existing neighbor has changed.
- EIS-IS sends link-state PDUs at random intervals.
How the community answered
(20 responses)- A20% (4)
- B75% (15)
- E5% (1)
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