Cisco
350-029 · Question #65
How do routers in an IS-IS Level-1 domain exit to reach other Level-1 (L1) domains ?(Select 2)
The correct answer is B. Level-1 routers use default routes installed based on ATT bit (Attach Bit) in announcements from C. Level-1 routers use specific routes, for other Level-1 domain, announced by Level-1-2(L1/L2) by. See the full explanation below for the reasoning.
Question
How do routers in an IS-IS Level-1 domain exit to reach other Level-1 (L1) domains ?(Select 2)
Options
- ALevel-1(L1) routers use default routes announced by Level-2(L2) routers in Level-1(L1) domain
- BLevel-1 routers use default routes installed based on ATT bit (Attach Bit) in announcements from
- CLevel-1 routers use specific routes, for other Level-1 domain, announced by Level-1-2(L1/L2) by
- DLevel-1 routers use specific routes, for other Level-1 domain, announced by Level-2(L2) by route-leaking
How the community answered
(62 responses)- A8% (5)
- B74% (46)
- D18% (11)
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