Data Center Professional

Here you have the best Juniper JN0-680 practice exam questions

You have 64 total questions across 13 pages (5 per page)
These questions were last updated on February 12, 2026
This site is not affiliated with or endorsed by Juniper.

Question 1 of 64

Which EVPN service consists of a single broadcast domain per EVPN instance?

a VLAN bundle service interface

a VLAN-based service interface

a port-based VLAN-aware service interface

a port-based service interface

Question 2 of 64

You are implementing a Virtual Chassis using QFX5100s and EX4300s in your data center.
In this scenario, which two statements are correct? (Choose two.)

Only 10GbE VCP connections can be used between the QFX5100s and the EX4300s.

The QFX5100 devices cannot assume the line card role in the Virtual Chassis.

Some hardware capabilities are limited by the capabilities of the EX4300 switches.

The EX4300 devices can only assume a line card role in the Virtual Chassis.

Question 3 of 64

A customer notices that all traffic is traveling over a single link within their partially meshed IP Fabric using IBGP. While troubleshooting, the customer notices that the configuration is missing a configuration parameter.
Which parameter would the customer use to solve this problem?

accept-remote-nexthop

advertise-peer-as

add-path

multihop

Question 4 of 64

A customer has a 3-stage Clos architecture with three spine devices as shown in the exhibit.
If a single spine device fails, what percentage of the remaining bandwidth will be available from leaf node to leaf node?

approximately 25%

approximately 75%

approximately 33%

approximately 66%

Question 5 of 64

Referring to the exhibit, which hardware change would be made to the IP Fabric to ensure an exact 4:1 oversubscription ratio?

Upgrade the fabric links to 100GbE.

Add two leaf nodes to the IP Fabric.

Add three leaf nodes to the IP Fabric.

Add a spine node to the IP Fabric.

About the Juniper JN0-680 Certification Exam

About the Exam

The Juniper JN0-680 (Data Center Professional) validates your knowledge and skills. Passing demonstrates proficiency and can boost your career prospects in the field.

How to Prepare

Work through all 64 practice questions across 13 pages. Focus on understanding the reasoning behind each answer rather than memorizing responses to be ready for any variation on the real exam.

Why Practice Exams?

Practice exams help you familiarize yourself with the question format, manage your time, and reduce anxiety on the test day. Our JN0-680 questions are regularly updated to reflect the latest exam objectives.