Your network has two eBGP paths to the same external prefix. Path A has a local preference of 200 and an AS path length of 3. Path B has a local preference of 150 and an AS path length of 2. You want to ensure that Path A is always preferred, regardless of AS path length. What should you do?

Use MED to influence the path selection.

Prepend AS numbers to Path B to make its AS path longer.

Set a higher local preference on Path A.

You are configuring a route map to filter BGP routes from a neighbor. You want to permit only routes with the community value 100:200 and deny all others. You have created a community list that matches 100:200. What should you do next?

Use a prefix list instead of a route map.

Apply the route map to the neighbor in the outbound direction.

Apply the route map to the neighbor in the inbound direction.

Set the community attribute on the neighbor.

You have two upstream ISPs, ISP-A and ISP-B, both advertising the same prefix. You want to prefer ISP-A for inbound traffic. You have already set a higher local preference on routes from ISP-A. What else can you do to make ISP-A more attractive for inbound traffic?

Use a route map to set the next-hop to a loopback on ISP-A.

Set a higher MED on routes advertised to ISP-B.

Set a lower local preference on routes from ISP-A.

Prepend your AS number multiple times to routes advertised to ISP-B.

You have made a change to a route map that is applied to a BGP neighbor. You want to apply the new policy without disrupting the BGP session. What should you do?

Clear the BGP session with 'clear ip bgp *'

CCIE Enterprise Infrastructure

Domain 1Objective 5

BGP CCIE-ENTERPRISE-INFRASTRUCTURE Practice Questions (Page 3)

Part of the Network Infrastructure domain, which accounts for 30% of the CCIE-ENTERPRISE-INFRASTRUCTURE exam. Cisco does not publish an official question count, but from its 120-minute exam (~50–80 total, ~15–24 in this domain), expect 3–4 from this objective — we provide 35 practice questions to prepare you well beyond it. (estimate)

35questions here

7free pages

6concepts

30%of the exam

Questions 11–15

11application · medium
Your network has two eBGP paths to the same external prefix. Path A has a local preference of 200 and an AS path length of 3. Path B has a local preference of 150 and an AS path length of 2. You want to ensure that Path A is always preferred, regardless of AS path length. What should you do?
Select an answer first
12application · medium
You are configuring a route map to filter BGP routes from a neighbor. You want to permit only routes with the community value 100:200 and deny all others. You have created a community list that matches 100:200. What should you do next?
Select an answer first
13application · medium
You have two upstream ISPs, ISP-A and ISP-B, both advertising the same prefix. You want to prefer ISP-A for inbound traffic. You have already set a higher local preference on routes from ISP-A. What else can you do to make ISP-A more attractive for inbound traffic?
Select an answer first
14application · medium
Your enterprise network has a full mesh of iBGP sessions among 10 routers. You are adding 5 more routers and want to avoid the complexity of a full mesh. You decide to use route reflectors. What is the minimum number of route reflectors you should configure to provide redundancy?
Select an answer first
15application · medium
You have made a change to a route map that is applied to a BGP neighbor. You want to apply the new policy without disrupting the BGP session. What should you do?
Select an answer first

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