A、An Adjacency is formed.
B、No IS-IS PDUs are sent
C、An Adjacency does not form.
D、An Adjacency forms but traffic is not forwarded.
更多“Two Level 1 routers are exchanging Hello packets with different Area IDs.What occurs between these routers?（）”相关的问题
A、A. Level 1 only routers see routes contained in their area. B、B. Level 1 routers route towards Level 2 routers due to the attached bit. C、C. Level 2 routers route towards Level 1 routers due to the attached bit. D、D. Level 2 routers can see routes in other Level 2 areas and routes originated in Level 1 areas.
A、Routers maintain a single link-state database per area. B、Routers maintain a separate Level 1 link-state database. C、Routers maintain a separate Level 2 link-state database. D、Routers maintain a single Level 1 link-state database across multiple areas.
A、Router A must have a Level 2 adjacency with the Level 1/Level 2 router in area 49.0001. B、The Level 1/Level 2 router in area 49.0001 sets the "attached" bit in the Level 2 LSP it floods into area 49.0001. C、The Level 1/Level 2 router in area 49.0001 sets the "attached" bit in the Level 1 link-state PDU (LSP) it floods into area 49.0001. D、The Level 1/Level 2 router in area 49.0001 advertises these prefixes into area 49.0001 using a Level 2 LSP it floods into the area.
A、A. Router A must have a Level 2 adjacency with the Level 1/Level 2 router in area 49.0001. B、B. The Level 1/Level 2 router in area 49.0001 sets the "attached" bit in the Level 1 link-state PDU (LSP) it floods into area 49.0001. C、C. The Level 1/Level 2 router in area 49.0001 sets the "attached" bit in the Level 2 LSP it floods into area 49.0001. D、D. The Level 1/Level 2 router in area 49.0001 advertises these prefixes into area 49.0001 using a Level 2 LSP it floods into the area.
A、No routers are adjacent with each other. B、Only Router A and Router B are adjacent at Level 1. C、Only Router A and Router B are adjacent at Level 2. D、All three routers are adjacent with each other at Level 1.
A、Level-1（L1） routers use default routes announced by Level-2（L2） routers in Level-1（L1） domain B、Level-1 routers use default routes installed based on ATT bit （Attach Bit） in announcements from Level-1-2（L1/L2） router C、Level-1 routers use specific routes， for other Level-1 domain， announced by Level-1-2（L1/L2） by route-leaking feature of Cisco IOS D、Level-1 routers use specific routes， for other Level-1 domain， announced by Level-2（L2） by route-leaking feature of Cisco IOS
A、Routers maintain a single link-state database per area. B、Routers maintain a separate Level 1 link-state database. C、Routers maintain a separate Level 2 link-state database. D、Routers maintain a single Level 1 link-state database per area.
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