Juniper
JN0-343 · Question #71
Which two statements are true about IS-IS? (Choose two.)
The correct answer is B. All level 1 PDUs are flooded to Level 2 by default. C. Both Level 1 and Level 2 adjacencies can exist on the same interface. See the full explanation below for the reasoning.
Question
Which two statements are true about IS-IS? (Choose two.)
Options
- AAll level 2 PDUs are flooded to Level 1 by default.
- BAll level 1 PDUs are flooded to Level 2 by default.
- CBoth Level 1 and Level 2 adjacencies can exist on the same interface.
- DLevel 2 external routes are always available in Level 1.
How the community answered
(41 responses)- A7% (3)
- B78% (32)
- D15% (6)
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