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السؤال #1
Your development team asks you to provision twenty exact copies of a three-tier application containing three VMs. Each copy of the application must be on their own isolated network. The development team also wants to deploy more copies in the future from a self-service portal. What will accomplish this task?
A. Create a Heat orchestration template for the application and then launch twenty stacks using the Horizon dashboard or OpenStack CLI
B. Use the Contrail fabric manager to define and launch all twenty stacks using an intent-driven automation feature
C. Create all twenty networks and launch each instance using the Horizon instance creation wizard
D. Create a Heat orchestration template for the application and then launch twenty stacks using the AppFormix user interface
عرض الإجابة
اجابة صحيحة: A
السؤال #2
You decide to create only host routes for each of your virtual networks in a project. Each virtual network is sent its correct host prefix. When troubleshooting inter-VN connectivity, using the ping command, the response times out between two virtual networks even though your policies allow for it. What is the problem in this scenario?
A. The VMs do not have interfaces
B. Using host routes prevents the default route from being sent
C. Your VMs have incorrect DNS settings
D. The IPAM settings are incorrect
عرض الإجابة
اجابة صحيحة: C
السؤال #3
Which endpoint type in Contrail Security provides multidimensional segmentation such as application, tier, deployment or site parameters?
A. domain
B. virtual network
C. tag
D. address group
عرض الإجابة
اجابة صحيحة: B
السؤال #4
Which command displays routes in vRouter VRF?
A. rt
B. show route
C. show route table vrf-name
D. route print
عرض الإجابة
اجابة صحيحة: A
السؤال #5
Click the Exhibit button. What will be the result of deploying the Heat template shown in the exhibit?
A. Neither VM will be deployed
B. Only vm_2 will be deployed and vm_1 will be overwritten
C. Both vm_1 and vm_2 will be deployed
D. Only vm_1 will be deployed and vm_2 will fail
عرض الإجابة
اجابة صحيحة: B
السؤال #6
To retrieve attributes of a new virtual machine, with which Contrail component does the OpenStack Nova agent communicate to create a virtual network?
A. Neutron
B. Glance
C. Analytics
D. Control
عرض الإجابة
اجابة صحيحة: AB
السؤال #7
What are two predefined tags that are used in Contrail Security policies? (Choose two.)
A. label
B. group
C. family
D. site
عرض الإجابة
اجابة صحيحة: ABC
السؤال #8
Which role does OpenStack serve in SDN?
A. vRouter
B. controller
C. gateway
D. orchestrator
عرض الإجابة
اجابة صحيحة: A
السؤال #9
A snapshot of a VM1 instance was just taken. The snapshot is named VM2. You must launch a new VM instance called VM2 using the newly created snapshot. Which step must be taken to launch the instance?
A. Create and launch the VM2 instance using the snapshot found under Project > Compute > Images
B. Launch the VM2 instance found under Project > Compute > Instances
C. Create and launch the VM2 instance using the snapshot found under Other > Snapshots
D. Launch the VM2 instance found under the drop-down menu for the VM1 instance
عرض الإجابة
اجابة صحيحة: C
السؤال #10
Which protocol does Contrail use to exchange information between the Contrail Controller and the Contrail vRouter?
A. NETCONF
B. XMPP
C. BGP
D. SSH
عرض الإجابة
اجابة صحيحة: B
السؤال #11
Which two statements describe the Kubernetes network policy? (Choose two.)
A. If a policy is not applied to a pod, then the pod accepts traffic from all sources
B. A policy can define traffic in only one direction
C. A policy can define traffic in both directions
D. If a policy is not applied to a pod, then the pod blocks traffic from all sources
عرض الإجابة
اجابة صحيحة: CD
السؤال #12
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?
A. SDN using NVGRE
B. SDN as an overlay
C. SDN using an API
D. open SDN
عرض الإجابة
اجابة صحيحة: AB
السؤال #13
Which two interfaces are active in the Contrail analyzer-vm-console-two-if.qcow2 traffic analyzer image? (Choose two.)
A. left
B. right
C. monitor
D. management
عرض الإجابة
اجابة صحيحة: B
السؤال #14
Which type of query is generated by the curl http://:8081/analytics/uves/vrouters command?
A. SSL
B. REST
C. SQLD
عرض الإجابة
اجابة صحيحة: BC
السؤال #15
Click the Exhibit button. Referring to the exhibit, what must have occurred prior to JohnDoe sending the request?
A. JohnDoe must have obtained a valid token from Horizon
B. JohnDoe must have successfully authenticated using OpenStack’s Web user interface
C. JohnDoe must have obtained a valid token from Keystone
D. JonnDoe must have obtained a valid token from the Contrail control node
عرض الإجابة
اجابة صحيحة: AB
السؤال #16
You are using Contrail as the SDN controller for your data center. You must ensure that Contrail provides DNS service to the VMs of a particular virtual network. Which two DNS modes would accomplish this task? (Choose two.)
A. tenant
B. virtual DNS
C. default
D. reverse
عرض الإجابة
اجابة صحيحة: AB
السؤال #17
You have an existing spine and leaf topology that you want to add into Contrail Command for fabric management. Which two configuration tasks are required to accomplish this task? (Choose two.)
A. Enable OVSDB in the Contrail Command UI
B. Enable the REST API on the network devices
C. Enable VXLAN routing in the Contrail Command UI
D. Enable netconf SSH on the network devices
عرض الإجابة
اجابة صحيحة: CDE
السؤال #18
Click the Exhibit button. Within your Contrail cluster, a BGP peer is not advertising routes as expected. After issuing the curl http://:8081/analytics/uves/bgp-peers command, you receive the output show in the exhibit. What is causing this problem?
A. an incorrect local ID
B. an incorrect peer type
C. an incorrect IP address
D. an incorrect family
عرض الإجابة
اجابة صحيحة: CD
السؤال #19
Which ETSI NFV function is responsible for the management of virtual network functions (VNF) and element management systems (EMS)?
A. Virtual Network Function Manager (VNFM)
B. OpenStack
C. Contrail Command
D. Analytics Database
عرض الإجابة
اجابة صحيحة: BC
السؤال #20
What are two supported methods to add a new Contrail compute node using Contrail Command? (Choose two.)
A. From the Web UI, add a new server and assign it as a compute node to the existing cluster
B. From the CLI on the Contrail Command server, edit the instances
C. From the CLI on the Contrail Command server, edit the command_servers
D. From the CLI on the Contrail Command server, edit the testbed
عرض الإجابة
اجابة صحيحة: C

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