Create stable, secure, and scalable routing designs for BGP
5 practice questions under this official exam objective (300-420), each with the answer key, an option-by-option explanation and instant feedback.
Questions under this objective
5 total · page 1 of 1Reducing BFD Echo Mode CPU Load with Slow Timers
Learn how to reduce high CPU utilization in BFD Echo mode by implementing slow timers on resource-constrained network devices.
BGP Route Reflector Design with Redundancy and Link Utilization Constraints
Learn how to design a redundant BGP Route Reflector solution by selecting clients (R1, R3) for RR servers (R2, R4) to optimize network stability and l
BGP Route Reflector Design Reducing iBGP Peerings
This 300-420 design question tests how a route reflector topology shrinks iBGP peering count: a full mesh of nine routers needs 36 peerings, while thr
BGP Route Filtering for Loop Prevention in AS64514
Learn how to configure BGP route filtering to prevent accepting locally originated prefixes from external peers using AS-path access-lists and route-m
Which Address Families Isolate Two Companies on a Shared Core?
This 300-420 design item tests how two merged companies can share one MPLS core while keeping their prefixes mutually invisible, and it establishes th