Which two statements are true about IS-IS adjacency formation? (Choose two.)
A.
Level 1 only routers never form an adjacency with Level 2 only routers.
B.
Level 1 only routers always form an adjacency with Level 2 only routers.
C.
For Level 1 adjacencies, area IDs must be the same.
D.
For Level 2 adjacencies, area IDs must be the same.
Explanation:
An L1 router does not form an adjacency with an L2 router, regardless of area.
L1 routers form L1 adjacencies with L1 and L1-L2 routers in their area.
L2 routers form L2 adjacencies with L2 and L1-L2 routers in their area or another area.
http://www.ciscopress.com/articles/article.asp?p=730191&seqNum=7
Passed the JN0-661 test few days ago!
I got 65 multiple-choice questions in total, few new questions, which are not available here!
Pay close attention to the objective of BGP, many questions on it!
And, learning the Layer 2/3 VPNs, Class of Service (CoS) and IS-IS deeply and carefully!!!
At last, I recommend you to learn the NEWEST & VALID PassLeader JN0-661 dumps here:
http://www.juniperbraindumps.com/?s=JN0-661
(IT IS THE NEWEST VERSION — 138 Q&As!!!)
Best Regards!!!
Hi Adeshina Keshinro, most of the questions from your link have nottting to do with this exam, just a few questions are ok! please, here there is no place for spam!
A&C