Juniper Networks – SDN and Automation, Specialist (JNCIS-SDNA) (JN0-410) Free Practice Test

Question 1

What will the /opt/contrail/utils/fab upgrade_kernel_all command do?

A. It upgrades or downgrades the kernels of only the OpenStack nodes.

B. It upgrades ordowngrades the fab scripts of all the nodes listed in the testbed.py file.

C. It upgrades or downgrades the kernels of only the Contrail nodes.

D. It upgrades or downgrades the kernels of all the nodes listed in the testbed.py file.

Correct Answer: D

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

Question 2

Which component of an SDN controller allows developers to write applicationsthat program the forwarding elements?

A. southbound interface

B. control plane

C. forwarding plane

D. northbound interface

Correct Answer: D

Question 3

Click the Exhibit button.

Referringto the command shown in the exhibit, which two statements are true? (Choose two.)

A. A snapshot is being launched.

B. A default flavor is used.

C. A custom flavor is used.

D. A snapshot is being created.

Correct Answer: C,D

Question 4

You are creating a service template using the CLI.
Which three elements are required to accomplish this task? (Choose three.)

A. template name

B. image name

C. project name

D. policy name

E. service type

Correct Answer: A,B,E

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

Question 5

You have deployed a Contrail cluster that must support bare-metal servers.
Which protocol is used to communicate between the bare-metal server's virtual tunnel endpoints and the Contrail cluster to establish sessions with the VM servers?

A. SRTP

B. BGP

C. OVSDB

D. XMPP

Correct Answer: C

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

Question 6

What information is contained in an OpenStack flavor?

A. project and user rights information

B. instance disk space and RAM allocation information

C. IP addressing and IPAM information

D. virtual network and policy information

Correct Answer: B

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

Question 7

What are three ways to deploy an MX Series device as an SDN gateway? (Choose three.)

A. Configure as an L2gateway.

B. Configure as an application gateway.

C. Configure as an SDN-to-SDN gateway.

D. Configure as an L4 gateway.

E. Configure as an L3 gateway.

Correct Answer: A,C,E

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

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Juniper Networks – SDN and Automation, Specialist (JNCIS-SDNA) (JN0-410) Free Practice Test