You have two routers in a VRRP group. The master router is also the primary path to the internet. You want to ensure that if the master's WAN link fails, the backup takes over, but you also want to avoid flapping if the WAN link is unstable. What should you do?

Use VRRP interface tracking with a priority decrement and enable preemption with a hold time.

Set the backup's priority higher than the master's.

Use VRRP authentication to stabilize the session.

Disable preemption on the master.

You are configuring VRRP on two Juniper routers. Router A should be the preferred master, but you want Router B to take over if Router A's uplink fails. You have configured VRRP on both routers. What should you configure on Router A to ensure it is the preferred master?

Configure VRRP authentication on Router A only.

Use the same priority on both routers and rely on IP address to break the tie.

Set a lower priority on Router A and disable preemption.

Set a higher priority on Router A and enable preemption.

You have two routers in a VRRP group. The master router is also the default gateway for hosts. You want to ensure that if the master's LAN interface fails, the backup takes over, but you also want to avoid a split-brain scenario where both routers think they are master. What should you do?

Use different VRRP groups on each router.

Use VRRP interface tracking on the LAN interface and ensure both routers are in the same VRRP group with the same virtual IP.

Configure VRRP authentication on both routers.

Set the backup's priority higher than the master's.

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

Domain 9Objective 4

Failure Detection and Redundancy Protocols JN0-352 Practice Questions (Page 6)

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

30questions here

6free pages

8concepts

Questions 26–30

26expert · hard
You have two routers in a VRRP group. The master router is also the primary path to the internet. You want to ensure that if the master's WAN link fails, the backup takes over, but you also want to avoid flapping if the WAN link is unstable. What should you do?
Select an answer first
27expert · hard
You have configured BFD on a Junos router with a minimum interval of 100 ms and a multiplier of 3. The remote router is configured with a minimum interval of 200 ms and a multiplier of 2. The BFD session is up. What is the detection time on the remote router?
Select an answer first
28application · medium
You are configuring VRRP on two Juniper routers. Router A should be the preferred master, but you want Router B to take over if Router A's uplink fails. You have configured VRRP on both routers. What should you configure on Router A to ensure it is the preferred master?
Select an answer first
29application · medium
You have configured BFD on a Junos router with a minimum interval of 50 ms and a multiplier of 3. The remote router is configured with a minimum interval of 100 ms and a multiplier of 3. What is the negotiated transmit interval for the BFD session?
Select an answer first
30expert · hard
You have two routers in a VRRP group. The master router is also the default gateway for hosts. You want to ensure that if the master's LAN interface fails, the backup takes over, but you also want to avoid a split-brain scenario where both routers think they are master. What should you do?
Select an answer first

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Failure Detection and Redundancy Protocols JN0-352 Practice Questions (Page 6)

Questions 26–30

You have two routers in a VRRP group. The master router is also the primary path to the internet. You want to ensure that if the master's WAN link fails, the backup takes over, but you also want to avoid flapping if the WAN link is unstable. What should you do?

You have configured BFD on a Junos router with a minimum interval of 100 ms and a multiplier of 3. The remote router is configured with a minimum interval of 200 ms and a multiplier of 2. The BFD session is up. What is the detection time on the remote router?

You are configuring VRRP on two Juniper routers. Router A should be the preferred master, but you want Router B to take over if Router A's uplink fails. You have configured VRRP on both routers. What should you configure on Router A to ensure it is the preferred master?

You have configured BFD on a Junos router with a minimum interval of 50 ms and a multiplier of 3. The remote router is configured with a minimum interval of 100 ms and a multiplier of 3. What is the negotiated transmit interval for the BFD session?

You have two routers in a VRRP group. The master router is also the default gateway for hosts. You want to ensure that if the master's LAN interface fails, the backup takes over, but you also want to avoid a split-brain scenario where both routers think they are master. What should you do?

Keep studying — High Availability