Nokia
4A0-C01 · Question #26
In IS-IS, which of the following statements regarding an L1/L2 router is false?
The correct answer is D. An L1/L2 router sets the ATT bit in L1 LSPs to identify itself as an L1 router. See the full explanation below for the reasoning.
Question
In IS-IS, which of the following statements regarding an L1/L2 router is false?
Options
- AAn L1/L2 router can have neighbors in different areas.
- BAn L1/L2 router calculates separate SPF trees for the Level 1 and Level 2 topology.
- CAn L1/L2 router advertises its L2 routes to its L1 neighbors.
- DAn L1/L2 router sets the ATT bit in L1 LSPs to identify itself as an L1 router.
How the community answered
(15 responses)- A7% (1)
- B13% (2)
- D80% (12)
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