When establishing an IBGP session, which interface address is typically used as the peering address?

The physical interface address of the directly connected link

The management interface address

The address of the default gateway

When a BGP route is advertised from an EBGP peer to an IBGP peer, what happens to the NEXT_HOP attribute by default?

It is changed to the local router's loopback address.

It is changed to the local router's physical interface address.

It is left unchanged, pointing to the EBGP peer's address.

Your AS has 50 BGP routers, and you want to reduce the IBGP mesh without using route reflectors. You decide to use BGP confederations. How does a confederation reduce the IBGP mesh requirement?

It allows IBGP sessions to be established between non-directly connected routers.

It changes the NEXT_HOP attribute to the local router's address.

It eliminates the need for IBGP sessions entirely.

It requires a full mesh only within each sub-AS, but not between sub-ASes.

Your AS has two routers, R1 and R2, with an IBGP session between them. R1 learns a route from an EBGP peer and advertises it to R2 via IBGP. What does R1 do with the NEXT_HOP attribute when advertising this route to R2?

It sets the NEXT_HOP to the loopback address of R2.

It changes the NEXT_HOP to the physical interface address used for the IBGP session.

It leaves the NEXT_HOP unchanged from the EBGP route.

It changes the NEXT_HOP to its own loopback address.

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

Domain 4Objective 5

Internal and External BGP (IBGP and EBGP) Functionality and Interaction JN0-364 Practice Questions (Page 2)

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 11 practice questions to prepare you well beyond it. (estimate)

11questions here

3free pages

8concepts

Questions 6–10

6foundation · easy
When establishing an IBGP session, which interface address is typically used as the peering address?
Select an answer first
7foundation · easy
When a BGP route is advertised from an EBGP peer to an IBGP peer, what happens to the NEXT_HOP attribute by default?
Select an answer first
8foundation · easy
Which BGP path attribute is used to indicate the next router to which packets should be forwarded for a particular route?
Select an answer first
9application · medium
Your AS has 50 BGP routers, and you want to reduce the IBGP mesh without using route reflectors. You decide to use BGP confederations. How does a confederation reduce the IBGP mesh requirement?
Select an answer first
10application · medium
Your AS has two routers, R1 and R2, with an IBGP session between them. R1 learns a route from an EBGP peer and advertises it to R2 via IBGP. What does R1 do with the NEXT_HOP attribute when advertising this route to R2?
Select an answer first

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