Which of the following is the correct order of the first three tie-breaking criteria in the BGP path selection algorithm?

Origin code, local preference, AS path length

AS path length, local preference, origin code

Local preference, origin code, AS path length

Local preference, AS path length, origin code

What is the primary purpose of the MED (Multi-Exit Discriminator) attribute in BGP?

To indicate the origin of the route

To influence outbound traffic from an AS

To influence inbound traffic to an AS

Your router receives three BGP routes for the same prefix. Route A has local preference 200, AS path length 3, and origin IGP. Route B has local preference 150, AS path length 2, and origin INCOMPLETE. Route C has local preference 100, AS path length 1, and origin EGP. Which route will be preferred?

Route C, because it has the shortest AS path.

Route A, because it has the highest local preference.

Route B, because INCOMPLETE origin is preferred over IGP origin.

Route B, because it has a shorter AS path than Route A.

When a BGP router receives an eBGP route with a local preference attribute, how is that attribute propagated to iBGP peers?

It is only propagated to eBGP peers

It is propagated unchanged to iBGP peers

It is stripped and not propagated to iBGP peers

It is reset to a default value before propagation

When a BGP router has both an eBGP and an iBGP route to the same destination, which route is selected by default?

The route with the shorter AS path

The route with the higher local preference

Juniper NetworksCertified Specialist, Service Provider Routing and Switching (JNCIS-SP)

Domain 4Objective 4

Route/path Selection Process JN0-364 Practice Questions (Page 3)

Part of the Border Gateway Protocol (BGP) domain, which makes up ~10% of our current practice bank. Juniper Networks does not publish an official question count, but from its 90-minute exam (~35–60 total, ~4–6 in this domain), expect 1–1 from this objective — we provide 16 practice questions to prepare you well beyond it. (estimate)

16questions here

4free pages

9concepts

Questions 11–15

11foundation · easy
Which of the following is the correct order of the first three tie-breaking criteria in the BGP path selection algorithm?
Select an answer first
12foundation · easy
What is the primary purpose of the MED (Multi-Exit Discriminator) attribute in BGP?
Select an answer first
13expert · hard
Your router receives three BGP routes for the same prefix. Route A has local preference 200, AS path length 3, and origin IGP. Route B has local preference 150, AS path length 2, and origin INCOMPLETE. Route C has local preference 100, AS path length 1, and origin EGP. Which route will be preferred?
Select an answer first
14foundation · easy
When a BGP router receives an eBGP route with a local preference attribute, how is that attribute propagated to iBGP peers?
Select an answer first
15foundation · easy
When a BGP router has both an eBGP and an iBGP route to the same destination, which route is selected by default?
Select an answer first

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