Juniper JN0-683 Exam Questions

Question 6 of 65

You are deploying a Clos IP fabric with an oversubscription ratio of 3:1.
In this scenario, which two statements are correct? (Choose two.)

A.

The oversubscription ratio decreases when you add spine devices.

B.

The oversubscription ratio increases when you remove spine devices.

C.

The oversubscription ratio remains the same when you add spine devices.

D.

The oversubscription ratio remains the same when you remove spine devices.

Suggested Answer: A, B

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Question 7 of 65

You are asked to set up an IP fabric that supports AI or ML workloads. You have chosen to use lossless Ethernet.
In this scenario, which statement is correct about congestion management?

A.

The switch experiencing the congestion notifies the source device.

B.

Only the source and destination devices need ECN enabled.

C.

ECN marks packets based on WRED settings.

D.

ECN is negotiated only among the switches that make up the IP fabric for each queue.

Suggested Answer: C

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Question 8 of 65

You are designing an IP fabric for a large data center, and you are concerned about growth scalability.
Which two actions would you take to address these concerns? (Choose two.)

A.

Use EX4300 Series devices as the spine devices.

B.

Design a three-stage Clos IP fabric.

C.

USE QFX5700 Series devices as the super spines.

D.

Design a five-stage Clos IP fabric.

Suggested Answer: B, C

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Question 9 of 65

Which two statements are correct about an IP fabric? (Choose two.)

A.

EBGP is only required to route host routing information to external devices outside the fabric.

B.

All leaf devices can use the same AS number in an IP fabric without making any adjustments to the EBGP configuration.

C.

The multipath multiple-as statement is required to enable ECMP if every device has a different AS number.

D.

Only a single point to point EBGP session is required between peers in an IP fabric.

Suggested Answer: A, C

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Question 10 of 65

You are deploying an IP fabric using EBGP and notice that your leaf devices are advertising and receiving all the routes. However, the routes are not installed in the routing table and are marked as hidden.
Which two statements describe how to solve the issue? (Choose two.)

A.

You need to configure a next-hop self policy.

B.

You need to configure multipath multiple-as.

C.

You need to configure loops 2.

D.

You need to configure as-override.

Suggested Answer: A, D

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