Deck 9: Enterprise Routing and Switching, Specialist

Question 1

Which type of query is generated by the curl http://:8081/analytics/uves/vrouters command?

A) SSL
B) REST
C) SQL
D) XML

Answer 1

REST

Question 2

You are asked to change the settings in the AppFormix UI so that compute1's status displays "Bad" only when CPU utilization is above 70%. In which workspace of the AppFormix UI would you perform this task?

A) SLA Settings
B) Notification Settings
C) Plugins
D) Services Settings

Answer 2

SLA Settings

Question 3

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

A) increased network speed using bandwidth management
B) reduced hardware requirements
C) automated services
D) tenants charged only for what they use
E) isolated switching functions

Answer 3

increased network speed using bandwidth management
reduced hardware requirements
automated services

Question 4

Which two statements about Kubernetes clusters are correct? (Choose two.)

A) The master coordinates the cluster.
B) The minions are responsible for running the applications.
C) The nodes are responsible for running the applications.
D) The pod controller coordinates the cluster.

Question 5

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

A) Neutron
B) Nova
C) Ironic
D) Barbican

Question 6

Which two fabric management tasks would be completed using Contrail Command? (Choose two.)

A) Automatically deploy an P fabric underlay.
B) Modify routing protocol preferences.
C) Change user permissions on Junos devices.
D) Discover devices in the network.

Question 7

Which two statements regarding tags, within the Contrail Security framework, are correct? (Choose two.)

A) RBAC determines which user accounts can modify or remove attached tags.
B) Tags are communicated from the control node to vRouters through route updates.
C) Only the CSPadmin user account can modify or remove attached tags.
D) Tags are communicated from the config node to vRouters through route updates.

Question 8

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

Question 9

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

A) Configure it as an L4 gateway.
B) Configure it as an application gateway.
C) Configure it as an SDN-to-SDN gateway.
D) Configure it as an L3 gateway.
E) Configure it as an L2 gateway.

Question 10

What is a TAP interface in Contrail?

A) A software network interface that operates at OSI Layer 3.
B) A hardware network interface that operates at OSI Layer 3.
C) A software network interface that operates at OSI Layer 2.
D) A hardware network interface that operates at OSI Layer 2.

Question 11

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

A) DHCP is enabled, hostname resolution, and that SSH is enabled
B) time synchronization, hostname resolution, and that FTP is enabled
C) time synchronization, hostname resolution, and that SSH is enabled
D) DHCP is enabled, hostname resolution, and that FTP is enabled

Question 12

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

Question 13

What is AppFormix used for in Contrail?

A) to deploy an underlay fabric
B) to create VNFs
C) to analyze network performance
D) to secure application traffic

Question 14

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) EVPN/VXLAN
C) BGP
D) XMPP

Question 15

Which command displays routes in vRouter VRF?

A) rt
B) show route
C) show route table vrf-name
D) route print

Question 16

Which two deployment methods does AppFormix support? (Choose two.)

A) Hyper-V
B) VMware
C) OpenStack
D) Xen

Question 17

Which two statements are true about Generic Device Operations? (Choose two.)

A) Generic Device Operations execute multiple commands on multiple devices.
B) Generic Device Operations are executed using the REST API.
C) Generic Device Operations are executed using Ansible.
D) Generic Device Operations execute a single command on multiple devices.

Question 18

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

A) NFV separates network control and forwarding functions and provides a centralized view of the network.
B) SDN decouples network services from hardware appliances so they can run in software.
C) SDN separates network control and forwarding functions and provides a centralized view of the network.
D) NFV decouples network services from hardware appliances so they can run in software.

Question 19

Which BMS feature ensures that IP address management is consistent between the virtual and physical instances?

A) inventory management
B) image management
C) IPAM management
D) network security management

Question 20

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.

Question 21

Which Kubernetes resource defines the traffic allowed to reach the pod?

A) SecurityGroup
B) NetworkPolicy
C) Ingress
D) IPAM

Question 22

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.

Question 23

Which three elements should be used in a greenfield fabric deployment? (Choose three.)

A) multi-area OSPF
B) BGP
C) ZTP
D) existing IP fabric
E) LLDP

Question 24

What are two Contrail Command BMS life cycle management functions? (Choose two.)

A) PXE interface management
B) BIOS updates
C) image management
D) IPAM

Question 25

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

Question 26

Which role does OpenStack serve in SDN?

A) vRouter
B) controller
C) gateway
D) orchestrator

Question 27

Two virtual machines that belong to the same virtual network are not able to communicate with each other. Which statement is true in this scenario?

A) A floating IP address is assigned to the virtual machine.
B) Images used to spawn the two virtual machines have different flavors.
C) A security group is blocking the communication.
D) The two virtual machines are in different availability zones.

Question 28

Which protocol does Contrail use to exchange information between the Contrail Controller and the Contrail vRouter?

A) NETCONF
B) XMPP
C) BGP
D) SSH

Question 29

What are three examples of hypervisors? (Choose three.)

A) VMware ESXi
B) Juniper vSRX
C) KVM
D) OpenStack Nova
E) Microsoft Hyper-V

Question 30

You are configuring a Contrail Security firewall policy rule and need to specify an exact port. Which two statements describe how to accomplish this task? (Choose two.)

A) You should create a tag and specify it in the firewall policy rule.
B) You should create an address group and specify it in the firewall policy rule.
C) You should create a service group and specify it in the firewall policy rule.
D) You should specify the service in the firewall policy rule.

Question 31

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

A) centralized management
B) decentralized management
C) programmability
D) static networking

Question 32

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.

Question 33

Which two OpenStack components are optional services? (Choose two.)

A) Nova
B) Heat
C) Glance
D) Magnum

Question 34

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.

Question 35

Which two nodes are part of the Contrail controller role? (Choose two.)

A) config
B) control
C) analytics
D) load balancer

Question 36

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

Question 37

Which role does Contrail serve in SDN?

A) orchestrator
B) controller
C) gateway
D) fabric

Question 38

What is the proper order for creating a virtual network?

A) Configure the IPAM, virtual network, DNS, and then the virtual machine.
B) Configure the DNS, IPAM, virtual network, and then the virtual machine.
C) Configure the virtual network, DNS, IPAM, and then the virtual machine.
D) Configure the IPAM, DNS, virtual network, and then the virtual machine.

Question 39

You have a centrally routed and bridged topology. In this scenario, routing between subnets would be performed on which two types of devices? (Choose two.)

A) leaf
B) spine
C) DC gateway
D) bridge