Free Juniper JN0-682 Practice Test & Real Exam Questions

Exam Code/Number: JN0-682
Exam Name/Title: Data Center, Professional (JNCIP-DC)
Certification Provider: Juniper
Corresponding Certification: JNCIP-DC

Exam Questions: 155
Updated On: Jul 04, 2026

Question #1

You have configured a new MC-LAG connection to a host. After committing the configuration, the MC-LAG link is not functioning properly.

Referring to the exhibit, how would you solve this problem?

A. Configure status-control on qfx2 to active

B. Change the mc-ae is on qfx1 to 1

C. Change the chassis on qfx1 to 1

D. Configure a system-id on qfx1 that is different from the system-id on qfx2

Discussion 0

Correct Answer: B Vote an answer

Question #2

A VXLAN adds 50 to 54 bytes of extra header information to an Ethernet frame. In this scenario, how would you accommodate this increased?

A. Only use switches as VTEPs.

B. Increase the MTU on the VTEP interface connected to the VXLAN network

C. Increase the MTU on the Physical interface connected to the VXLAN network.

D. Decrease the number VXLANs used

Discussion 0

Correct Answer: C Vote an answer

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Question #3

What are three functions supported by the Contrail Command user interface?

A. Enabling VM-to-BMS bridging

B. Onboarding of an IP fabric

C. Configuring management domains

D. Integrated syslog collector

E. Creating virtual network

Discussion 0

Correct Answer: C,D,E Vote an answer

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Question #4

You are troubleshooting a connectivity issue across a VXLAN overlay network. In the exhibit, you are using the ping overlay command from a local VTEP residing on a OFX 5120 to a remote VTEP residing on a separate QFX5120.

What is the problem in this situation?

A. VXLAN VN1100 is not configured on both end points.

B. The VXLAN controller is down.

C. VXLAN VN1100 is not configured on the remote VTEP.

D. VXLAN VN1100 is not configured on the local VTEP

Discussion 0

Correct Answer: C Vote an answer

Question #5

You are asked to configure VXLAN for you c data center using multicast to exchange VTEP information?
In this scenario, which two configuration parameters must match on the VTEPs in the same VXLAN segment? (Choose two.)

A. Routing instance name

B. VNI

C. VLAN ID

D. Multicast group

Discussion 0

Correct Answer: B,D Vote an answer

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Question #6

Which two statements describe a VXLAN network identifier (VNI)? (Choose Two)

A. A VNI identifies a VXLAN segment ID.

B. A VNI identifies the inner MAC frame.

C. A VNI validates the remote VTEP.

D. A VNI allows only 512 VLANs.

Discussion 0

Correct Answer: A,C Vote an answer

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Question #7

After configuring an IP fabric using EBGP as you protocol, you notice that not all of the routers are showing up in the routing tables. You have verified that all adjacencies have formed, and place and configured properly.
In this scenario, which statement is true?

A. The routers have not been configured using the multihop parameter.

B. The routers have not been configured using the add-path parameter

C. The routers have not been configured using the bfd-1 Liveness-detection parameter.

D. The routers have not been configured with the multipath multiple-as parameter.

Discussion 0

Correct Answer: D Vote an answer

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Question #8

You are designing an EBGP IP fabric for a multi-side data center. In this scenario, which two statements are true? (Choose two.)

A. Public AS numbers must be used

B. Different AS numbers should be used on all devices.

C. The same AS number should be used on all devices across all data centers.

D. Private AS numbers can be used.

Discussion 0

Correct Answer: C,D Vote an answer

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Question #9

You are considering deploying a MAC-VRF type routing instance with a VLAN-bundle service type. In this scenario, which two statements are correct? (Choose two.)

A. VLAN normalization is supported.

B. It can be implemented in a bridge overlay architecture.

C. Multiple VLAN IDs per EVI are supported.

D. It can be implemented in an ERB architecture.

Discussion 0

Correct Answer: B,C Vote an answer

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Question #10

Refer to the exhibit.

Referring to the output shown in the exhibit, which two statements are correct? (Choose two.)

A. Gateway2 is the designated forwarder.

B. Gateway2 is the backup forwarder.

C. Gateway2 drops unknown unicast traffic from the core destined to the edge device.

D. Gateway2 is responsible for sending unknown unicast traffic from the core to the edge device.

Discussion 0

Correct Answer: A,B Vote an answer

Question #11

Referring to the exhibit, you want to advertise the IRB routes between both routing instances.

Which two configuration parameters would be applied to accomplish this task? (Choose two.)

A. Configure auto-export under both routing instances.

B. Apply policy irb-A under instance Tenant_c and apply policy irb-c under instance Tenant_A as import policies.

C. Apply policy irb-A under instance Tenant A and apply policy irb-c under instance Tenant_c as export policies.

D. Configure vrf-table-label under both routing instances.

Discussion 0

Correct Answer: B,D Vote an answer

Question #12

You are deploying your data center switches using ZTP.
A brand new QFX5120 switch has been booted for the first time. It is failing to upgrade to the desired Junos OS version.
In this scenario, which two actions would you take to troubleshoot this problem? (Choose two.)

A. Ensure that anonymous login is enabled on the FTP server and that the FTP service is running.

B. From the configuration mode, issue the load factory-default and commit commands to re-initiate the ZTP request.

C. Log in to the switch through the console and look for log messages that might indicate the cause of the issue.

D. Ensure that the correct Juniper default FTP password is defined under the DHCP configuration option and restart the FTP service.

Discussion 0

Correct Answer: A,C Vote an answer

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