Exam JN0-637 topic 1 question 20 discussion

Actual exam question from Juniper's JN0-637

Question #: 20
Topic #: 1

Click the Exhibit button.

Referring to the exhibit, a default static route on SRX-1 sends all traffic to ISP-A. You have configured APBR to send all requests for streaming video traffic to ISP-B. However, the return traffic from the streaming video server is coming through ISP-A, and the traffic is being dropped by SRX-1. You can only make changes on SRX-1.
How do you solve this problem?

A. Configure BGP to control the return path of the streaming video traffic.
B. Place both ISP-facing interfaces in the same zone.
C. Change the APBR routing instance from a forwarding instance to a virtual router instance.
D. Enable AppTrack to keep track of the sessions and zones for the streaming video traffic.

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Suggested Answer: D 🗳️

by inmymind84 at April 10, 2025, 1:48 p.m.

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5000a98

2 months, 3 weeks ago

Selected Answer: B

B Indeed - you can use FBF for service-provider selection when you have Internet connectivity provided by different Internet service providers (ISPs).If the return traffic were to arrive at an interface assigned to a separate security zone, the Junos OS would drop the traffic due to a zone mismatch. To avoid this scenario, we recommend that both egress interfaces reside in the same security zone.

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inmymind84

4 months ago

Selected Answer: B

B - the same zone will help to identify traffic as located ine the same locationa and asimetric routing will not be identified.

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