What is the primary purpose of Nonstop Bridging (NSB) in Junos?

To synchronize routing protocol state between Routing Engines

To maintain Layer 2 forwarding state across a Routing Engine switchover

To provide a backup forwarding table on the backup RE

To allow a routing protocol process to restart without dropping adjacencies

Which Junos operational command would you use to verify that graceful restart is enabled and working?

show routing-options graceful-restart

Which statement about NSR is true?

NSR requires graceful restart to be enabled on the device

NSR is enabled by default on all Junos devices

NSR synchronizes routing protocol state between Routing Engines

Which statement about graceful restart helper mode is true?

Helper mode only works for BGP, not for OSPF

Helper mode is enabled by default for most routing protocols in Junos

Helper mode is only used when the router is restarting itself

Helper mode requires explicit configuration on every router

Juniper NetworksCertified Specialist, Enterprise Routing and Switching (JNCIS-ENT)

Domain 9Objective 3

Routing and Forwarding High Availability JN0-352 Practice Questions (Page 4)

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

26questions here

6free pages

10concepts

Questions 16–20

16foundation · easy
What is the primary purpose of Nonstop Bridging (NSB) in Junos?
Select an answer first
17foundation · easy
Which Junos operational command would you use to verify that graceful restart is enabled and working?
Select an answer first
18foundation · easy
Which statement about NSR is true?
Select an answer first
19foundation · easy
Which command would you use to verify that NSR is synchronizing routing protocol state?
Select an answer first
20foundation · easy
Which statement about graceful restart helper mode is true?
Select an answer first

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