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300-420 · Question #88
300-420 Question #88: Real Exam Question with Answer & Explanation
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Advanced Addressing and Routing Solutions
Question
In IS-IS networks, the backup designated router (BDR) forms adjacencies to what router or routers?
Options
- AIt forms an adjacency only with the DR
- BIt forms adjacencies with all routers
- CThe BDR only becomes adjacent when the DR is down
- DThere is no BDR in IS-IS
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Topics
#IS-IS#Designated IS (DIS)#Adjacencies#Routing Protocol Concepts