What is the primary purpose of Bidirectional Forwarding Detection (BFD) in a Junos-based service provider network?

To synchronize routing tables between adjacent routers

To encrypt control traffic between routing peers

To provide a backup path for traffic when the primary path fails

To detect forwarding path failures faster than the routing protocol's own hello timers

A network engineer is configuring BFD authentication on a Junos router. The security policy requires the use of keyed SHA-1 authentication. The engineer configures the authentication on the local router. What additional configuration is required on the peer router?

Configure the same key and key ID with keyed SHA-1 authentication.

Configure no authentication on the peer.

Configure keyed SHA-1 with a different key.

Configure simple password authentication with the same key.

Which routing protocols can use BFD for fast failure detection in Junos?

OSPF, BGP, IS-IS, and static routes

In Junos BFD configuration, what does the 'minimum-interval' option control?

The time BFD waits before starting the session after a failure

The maximum time BFD will wait before declaring the session down

The minimum time between BFD control packets sent to the peer

The number of missed packets before the session is declared down

How is BFD enabled for a static route in Junos?

By enabling BFD globally under 'set protocols bfd'

By configuring 'bfd-liveness-detection' under the static route's next-hop

By using the 'monitor bfd' command on the interface

By configuring BFD under the routing-options static hierarchy

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

Domain 10Objective 6

Bidirectional Forwarding Detection (BFD) JN0-364 Practice Questions (Page 2)

Part of the High Availability domain, which makes up ~12% of our current practice bank. Juniper Networks does not publish an official question count, but from its 90-minute exam (~35–60 total, ~4–7 in this domain), expect 1–1 from this objective — we provide 21 practice questions to prepare you well beyond it. (estimate)

21questions here

5free pages

8concepts

Questions 6–10

6foundation · easy
What is the primary purpose of Bidirectional Forwarding Detection (BFD) in a Junos-based service provider network?
Select an answer first
7application · medium
A network engineer is configuring BFD authentication on a Junos router. The security policy requires the use of keyed SHA-1 authentication. The engineer configures the authentication on the local router. What additional configuration is required on the peer router?
Select an answer first
8foundation · easy
Which routing protocols can use BFD for fast failure detection in Junos?
Select an answer first
9foundation · easy
In Junos BFD configuration, what does the 'minimum-interval' option control?
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10foundation · easy
How is BFD enabled for a static route in Junos?
Select an answer first

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