CCNP Job Interview Questions & Answere Part 3
Q201: Does IS-IS elect a Backup Designated Router on a broadcast subnetwork?
Ans: IS-IS does not elect a BDR.
Q202: What is the purpose of the Pseudonode ID?
Ans: The Pseudonode ID is the last octet of a LAN ID. Its purpose is to distinguish LAN IDs which are originated by a single router which is the DR on multiple LANs.