JNCIP ENT BGP Routing and Policy Quiz

1. What is the default hold time for BGP keepalive messages?

30 seconds

60 seconds

90 seconds

180 seconds

2. What is the purpose of setting 'next-hop self' in an iBGP policy?

Prevents loop-back address use

Changes next-hop to local router for iBGP neighbors

Encrypts the next-hop field

Disables next-hop calculation

3. Which feature allows a router to advertise itself as the best path without actually being on the path?

Route reflector

AS path prepending

Conditional advertisement

Next-hop self

4. In Juniper BGP configuration, what does the 'type external' parameter specify?

The neighbor is in a different AS

The neighbor is in the same AS

The connection is encrypted

The peer supports route refresh

5. Which BGP state occurs after sending an Open message and waiting for a reply?

Idle

Connect

OpenSent

OpenConfirm

6. What is the maximum number of BGP routes that can be stored in the routing table by default?

Unlimited

50000

100000

Depends on system resources

7. In BGP policy, what does the 'set as-path' action accomplish?

Modifies the AS path before advertising

Verifies AS path validity

Blocks routes with specific ASes

Counts AS path length

8. Which BGP attribute indicates the origin of a route (IGP, EGP, or incomplete)?

Path origin

Origin attribute

Source type

Route source

9. What does the BGP 'soft reconfiguration inbound' feature enable?

Automatic peer restart

Re-processing of received routes without session reset

Encryption of BGP messages

Load balancing across peers

10. In Juniper, which statement within a policy allows matching based on route prefix?

Match address

Match prefix

Match destination

Match route

11. What is the default administrative distance for eBGP routes in Juniper?

20

100

110

170

12. How does BGP prevent routing loops in a multi-AS network?

Using TTL decrement

Checking AS path for AS number repetition

Comparing router IDs

Using sequence numbers

13. What is the purpose of BGP communities in policy implementation?

Identify router groups

Tag routes for matching and policy application

Authenticate peers

Encrypt traffic

14. Which command displays BGP routes learned from a specific neighbor?

Show route protocol bgp

Show bgp summary

Show bgp neighbor

Show route receive-protocol bgp

15. In a BGP policy, what does the 'then accept' statement do?

Rejects the route

Applies modifications and accepts the route

Pauses route processing

Sends a notification

16. What does MED (Multi-Exit Discriminator) allow you to do?

Prefer exit points within your AS

Influence which entry point a peer uses to reach your AS

Prevent route propagation

Set router priority

17. Which BGP attribute is NOT propagated to eBGP neighbors by default?

AS path

LOCAL_PREF

Next hop

Origin

18. What is the correct syntax for applying a routing policy to BGP in Juniper?

Set policy-options policy-statement

Set protocols bgp export/import

Set routing-policies bgp apply

Set bgp policy enforce

19. In BGP route selection, what does the LOCAL_PREF attribute control?

Exit point preference within your AS

Entry point preference into your AS

Route preference to external peers

Neighbor router priority

20. Which BGP attribute is used as the primary tie-breaker when local preference is equal?