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Juniper JN0-411 問題練習

Cloud, Specialist 試験

最新更新時間: 2020/11/17,合計26問。

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Question No : 1
What is the fundamental component of a heat template?

正解:
Explanation: https://docs.openstack.org/heat/pike/

Question No : 2
You are not able to view a specific Glance image under a project named Administrator in OpenStack. However, you are able to view the same image in a different project named ProjectA.
What is the problem in this scenario?
A. The image is not marked as public.
B. There is an issue with Keystone authentication.
C. Only ISO, qcow2, and raw image types can be seen under all of the projects.
D. You have restricted access to the project named Administrator.

正解: A
Explanation: https://www.mirantis.com/blog/openstack-user-tip-add-new-image-openstack/

Question No : 3
A developer is logged into OpenStack and is trying to bring up a recently assigned project but is rejected at the identify source.
Which log file should you review to identify this problem?

正解:

Question No : 4
Which two statements are true regarding the Network Function Virtualization (NFS) framework? (Choose two.)

正解:

Question No : 5
Two virtual machines in different virtual networks are not able to communicate with each other.
Which two troubleshooting steps would you help to identify this problem? (Choose two.)

正解:

Question No : 6
Which mechanism creates unique tenants within OpenStack?

正解:

Question No : 7
Which three load-balancing algorithms are supported by Contrail’s LBaaS feature? (Choose three.)

正解:
Explanation:
https://www.juniper.net/documentation/en_US/contrail3.1/topics/task/configuration/load-balance-as-service-vnc.html

Question No : 8
Which command displays routes in a vRouter VRF?

正解:
Explanation:
https://www.juniper.net/documentation/en_US/contrail2.1/topics/task/configuration/vrouter-cli-utilities-vnc.html

Question No : 9
Creating a Contrail service chain requires the configuration of which three elements? (Choose three).

正解:
Explanation:
https://www.juniper.net/techpubs/en_US/contrail3.1/topics/task/configuration/service-chaining-vnc.html

Question No : 10
What is needed to move compute resources between cloud environment?

正解:

Question No : 11
Refer to the exhibit.



Virtual machine VM-1 is spawned on a compute node Compute-1. VM-1 is not able to ping PC-1, which is located outside of the SDN cloud. You want to run packet captures to trace the packet initiated by VM-1 towards PC-1.
Referring to the exhibit, which three interfaces would you use to accomplish this task? (Choose three.)

正解:

Question No : 12
You are asked to create a Contrail service instance between two virtual networks. The left virtual network is a private virtual network. The routes from the left virtual network VRF should not be leaked into the right virtual network VRF.
Which Contrail service instance type would you choose in this scenario?

正解:

Question No : 13
You are using OpenStack as the orchestrator for your data center. You need to instantiate several instances of a webserver. There is a requirement that each webserver VM must have six VCPUs and 32 GB of RAM.
Where in OpenStack’s Web user interface would you set up these resources?

正解:
Explanation:
https://docs.openstack.org/horizon/latest/admin/manage-flavors.html

Question No : 14
You are implementing an OpenStack environment and need to install the Glance service on the control node.
Which two actions must take place to successfully complete this action? (Choose two.)

正解:
Explanation:
https://docs.openstack.org/mitaka/install-guide-ubuntu/glance-install.html

Question No : 15
You have deployed a load-balancing service for a customer in your Contrail cloud networking environment for their data cache system. Due to the network capacity requirements, the caching servers must be migrated to a different rack of equipment within the data center.
Which two statements are true in this scenario? (Choose two.)

正解:

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