EMT Practice Test

1. Question Content...

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Question1: Which statement about Contrail Device Manager is true?

Question2: As the administrator of your company's Contrail environment, you are periodically asked to import new images into the OpenStack environment.
Which two statements are true in this scenario'? (Choose two.)

Question3: Which two statements describe the default network policy in OpenStack? (Choose two.)

Question4: Which SDN solution allows the control plane to remain on legacy hardware as a stop-gap measure until you are ready to replace the current hardware?

Question5: Which type of query is generated by the curl http://<ip address>:8081/analytics/uves/ vrouterscommand?

Question6: You are decommissioning a Contrail compute node.
Which two steps accomplish this task? (Choose two.)

Question7: Before creating a virtual network for your Contrail project, what must you create to enable the utilization of network resources?

Question8: Which two storage types are provided by OpenStack Cinder? (Choose two.)

Question9: Which two programming languages in the Contrail API libraries are made available as packages? (Choose two.)

Question10: Which role does Contrail serve in SDN?

Question11: Click the Exhibit button.
$ nova flavor-create --is-public true vsrx_flavor auto 4096 16 2
What information about the Nova flavor creation is shown in the exhibit?

Question12: Which two interfaces are active in the Contrail analyzer-vm-console-two-if.qcow2 traffic analyzer image?
(Choose two.)

Question13: Using the console, you cannot connect into a running instance within the Horizon GUI. You have confirmed that the corresponding compute node hosting the instance is running, and that the instance has an operational status.
What is preventing you from connecting to the running instance in this scenario?

Question14: For which service should an in-network service chain mode be used?

Question15: Click the Exhibit button.

Referring to the information shown in the exhibit, which statement about the VMs is true?

Question16: If the Contrail controller is the control plane, which component acts as the data plane?

Question17: 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?

Question18: What are tenants called in OpenStack?

Question19: Which component of an SDN controller allows developers to write applications that program the forwarding elements?

Question20: You are installing a Contrail and OpenStack cluster.
What is the correct order of installation steps for this task?

Question21: Which two statements about NFV are true? (Choose two.)

Question22: You have an OpenStack environment and a compute instance has crashed. You attempt to restart the AWM instance and you receive the message shown below.
Invalid: Instance has already been created
InstanceNotFound: Instance AWM could not be found.
What does this message indicate?

Question23: You are troubleshooting an issue within your Contrail cluster and need to align the statistical and event information from the virtual overlay network with the physical underlay network, consisting of QFX Series devices.
Which three protocols must be enabled on each device in the topology to accomplish this task? (Choose three.)

Question24: Which statement about a Contrail environment is true?

Question25: Click the Exhibit button.

Referring to the exhibit, what does enabling Service Scalingallow?

Question26: Which two statements about SDN and NFV are true? (Choose two.)

Question27: Which two statements regarding Juniper's SDN strategy are true? (Choose two.)

Question28: When customizing and managing OpenStack flavors, what are two definable configuration elements?
(Choose two.)

Question29: What are three functions of an SDN controller? (Choose three.)

Question30: You are troubleshooting traffic flows through a Contrail environment and need to inspect traffic entering and leaving an interface for a given instance.
Which three tasks meet this objective? (Choose three.)

Question31: What are two advantages of SDN? (Choose two.)

Question32: Click the Exhibit button.

Referring to the exhibit, which protocol is used to communicate from All Nodes to the Collector?

Question33: What are two networking components of OpenStack? (Choose two.)

Question34: What are two valid service VMs in a service chain? (Choose two.)

Question35: Which protocol do configuration nodes use to send low-level configuration information to control nodes?

Question36: Which statement about Contrail Analytics collection is true?

Question37: Which two types of data are collected by Contrail Analytics nodes? (Choose two.)

Question38: What are three ways to deploy an MX Series device as an SDN gateway? (Choose three.)

Question39: What will the /opt/contrail/utils/fab upgrade_kernel_allcommand do?

Question40: Which role does OpenStack serve in SDN?

Question41: Which standards body maintains the NFV architecture?

Question42: What are two ways to install Contrail? (Choose two.)

Question43: In Contrail, for what would transparent mode service chaining be used?

Question44: Click the Exhibit button.

You are deploying a service chain with a vSRX as the Service VM shown in the exhibit. You notice that there is no traffic passing through the vSRX even though you have created policies within the vSRX to allow traffic.
After reviewing the routing, what should you verify?

Question45: What are two modes of service chaining that Contrail implements? (Choose two.)

Question46: Which command displays routes in a vRouter VRF?

Question47: Click the Exhibit button.

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

Question48: Which statement about storage support in Contrail is true?

Question49: What information is contained in an OpenStack flavor?

Question50: A service provider wants to provide a dynamic service offering employing NFV.
Which Juniper solution meets this requirement?

Question51: You are troubleshooting a Contrail environment and need to verify the version information on all participating nodes.
Which two actions accomplish this task'? (Choose two.)

Question52: To retrieve attributes of a new virtual machine, which Contrail component does the OpenStack Nova agent communicate with to create a virtual network?

Question53: What are three benefits of implementing an NFV solution? (Choose three.)

Question54: What is the function of an NFV Orchestrator?

Question55: Which two networking trends are addressed by SDN? (Choose two.)

Question56: Click the Exhibit button.

Within your Contrail cluster, a BGP peer is not advertising routes as expected. After issuing the curl
http://<host ip address>:8081/analytics/uves/bgp-peerscommand, you receive the output shown in the exhibit.
What is causing this problem?

Question57: Prior to installing Contrail, which list of settings must be verified on all participating servers?

Question58: Which two statements about a Contrail environment are true? (Choose two.)

Question59: You are creating a service template using the CLI.
Which three elements are required to accomplish this task? (Choose three.)

Question60: What is the default time to live off of data stored in the Contrail Analytics database?

Question61: What are two characteristics of IP traffic load balancing in a Contrail service chain? (Choose two.)