Juniper Cloud, Specialist - JN0-411 Exam Questions [2026]

QUESTION NO: 1
Creating a Contrail service chain requires the configuration of which three elements?
(Choose three).

A. Service template B. Service object C. Service Policy D. Service network E. Service instance

Correct Answer: A,C,E

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QUESTION NO: 2
When creating service chains in a cloud networking environment, what is the purpose of a service instance?

A. It is the entity that will be performing a service. B. It identifies the virtual networks in a service chain. C. It defines the general service parameters of a service. D. It is a bit-level copy of an existing service.

Correct Answer: A

QUESTION NO: 3
Refer to the exhibit.

A Contrail service instance is created in a scale-out mode with three instances (Sl-1, Sl-2, and Sl-3) between the left virtual network and the right virtual network.
Referring to the exhibit, which two statements are correct in this scenario?
(Choose two.)

A. The traffic between the virtual networks is load sharing using ECMP. B. A Contrail policy has options to configure load sharing between the three service instances. C. A Contrail policy can be used to block traffic initiated from the right virtual network to the left virtual network. D. Every packet between the virtual networks is forwarded to each of the three service instances.

Correct Answer: B,C

QUESTION NO: 4
When using Contrail Analytics for underlay overlay mapping, which statement is true?

A. SNMP must be enabled on each physical device. B. IPFIX and sFLOW must be enabled on each physical device. C. SNMP is not required if LLDP in enabled on each physical device. D. JTI must be enabled on each physical device.

Correct Answer: B

Explanation: Only visible for Pass4Test members. You can sign-up / login (it's free).

QUESTION NO: 5
Your customer deletes a Contrail service instance VM directly from OpenStack.
In this scenario, which statement is correct?

A. The service instance will be deleted from Contrail. B. Contrail will spawn a new service instance VM. C. OpenStack will spawn a new service instance VM. D. The VM will be deleted and Contrail will show the service instance as inactive.

Correct Answer: D

QUESTION NO: 6
Which two statements about Contrail ZooKeeper are true? (Choose two.)

A. It deploys high availability services by thread utilization. B. It is a centralized service for configuration information. C. It generates analytic reports on service activation and deactivation time. D. It provides distributed synchronization and group services.

Correct Answer: B,D

QUESTION NO: 7
Click the exhibit button.

While completing the install of OpenStack, you upload the Cirros image the CLI to validate the Glance install. However, it times out after a short time. You review the logs located at
/var/log/glance/api.log.
Referring to the exhibit, which action will solve this problem?

A. Update the GLANCE DBPASS in the keystone.conf file. B. Set the glance.api version to version 1 and retry the upload. C. Replace the schema image file with the correct name of the image. D. Get a new Cirros image; the current image is corrupted.

Correct Answer: D