1
Single choice~60s
Which BGP attribute is confined to the router where it is set and is never advertised to any peer?
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D1_ADDR
Advanced Addressing and Routing Solutions
10 questions in topicHierarchical IPv4 and IPv6 address planning, summarization boundaries and their failure modes, IPv6 transition strategy, EIGRP and OSPF scalability and area design, BGP scaling with route reflection, and redistribution and filtering design.
2
Single choice~60s
What does an OSPF area border router connect?
3
Single choice~80s
A retail chain has 400 stores grouped into 8 regions, and each store needs one /24. The design must produce exactly one advertisement per region toward the core. What must the address plan do?
4
Single choice~80s
A design must support several thousand EIGRP branch routers while keeping convergence predictable. Which combination addresses the actual scaling constraint?
5
Single choice~80s
An OSPF area contains 200 routers and several links that flap frequently. Which change most directly limits the impact on the rest of the network?
6
Single choice~80s
All branch OSPF areas should receive only a default route, but one branch also terminates a partner circuit whose routes must be advertised into the enterprise. Which per-area design satisfies both?
7
Single choice~80s
A design deploys two BGP route reflectors in the same cluster for redundancy. What must be verified about the cluster identifier?
8
Single choice~80s
Two merging companies both use 10.0.0.0/8 internally with overlapping subnets, and full connectivity is required within six months. Which approach should the design favor?
9
Single choice~80s
New clients will be IPv6-only, but a set of business applications will remain IPv4-only for at least two years. Which design satisfies both without waiting for the applications?
10
Single choice~110s
A campus summarizes each distribution block's /20 toward the core. A single /24 must now be relocated to a different block while keeping its addresses. What breaks, and what does the design require?