JN0-363 · Question #96
Referring to the exhibit, which two statements are correct? (Choose two.)
The correct answer is A. Prefixes in Level 1 will be redistributed to Level 2. D. Prefixes in Level 2 will be redistributed to Level 1. In IS-IS, Level 1 routes are usually contained within the same area and Level 2 routes are used to interconnect different areas. By default, routes from Level 1 are redistributed into Level 2, and vice versa, to ensure reachability between areas. By default, IS-IS protocol…
Question
Referring to the exhibit, which two statements are correct? (Choose two.)
Exhibit
Options
- APrefixes in Level 1 will be redistributed to Level 2.
- BPrefixes in Level 2 will be not redistributed to Level 1.
- CPrefixes in Level 1 will not be redistributed to Level 2.
- DPrefixes in Level 2 will be redistributed to Level 1.
How the community answered
(34 responses)- A71% (24)
- B21% (7)
- C9% (3)
Explanation
In IS-IS, Level 1 routes are usually contained within the same area and Level 2 routes are used to interconnect different areas. By default, routes from Level 1 are redistributed into Level 2, and vice versa, to ensure reachability between areas. By default, IS-IS protocol leaks routing information from a Level 1 area to a Level 2 area. However, to leak routing information from a Level 2 area to a Level 1 area, an export policy must be explicitly configured.
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