Juniper JN0-410 Exam. Volume: 65 Questions. Question No: 1 What are two valid service VMs in a service chain? (Choose two.) A.

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1 Volume: 65 Questions Question No: 1 What are two valid service VMs in a service chain? (Choose two.) A. gateway B. load balancer C. orchestrator D. firewall Answer: B,D Question No: 2 Which role does OpenStack serve in SDN? A. vrouter B. controller C. gateway D. orchestrator Answer: D Question No: 3 Which statement about Contrail Analytics collection is true? A. Contrail can collect all flows and all packets. B. Contrail can collect all packets while sampling flows. C. Contrail can collect all bytes while being able to sample packets. D. Contrail can collect all flows while being able to sample bytes. Answer: B

2 Question No: 4 What are three functions of an SDN controller? (Choose three.) A. An SDN controller uses northbound APls to manage applications and business logic. B. An SDN controller functions as a gateway for the virtual machines in the SDN. C. An SDN controller uses federated date between SDN controller domains. D. An SDN controller uses southbound APls to manage flow control to the switches and routers in the network. E. An SDN controller uses federated routes between BGP autonomous systems.,d,e Question No: 5 Which type of query is generated by the curl Error! Hyperlink reference not valid. address>:8081/analytics/uves/vrouters command? A. REST B. SQL C. SSL D. XML Question No: 6 Which two storage types are provided by OpenStack Cinder? (Choose two.) A. local storage using attached disks or SSDs B. object storage using containers C. remote storage using standard protocols such as iscsi, Fibre Channel, and NFS D. disk images using the Image Store

3 ,C Question No: 7 In Contrail, for what would transparent mode service chaining be used? A. load-balancing services B. Network Address Translation C. intrusion detection and prevention D. HTIP proxy services Answer: C Question No: 8 Which command displays routes in a vrouter VRF? A. rt B. show route C. show route table vrf-name D. route print Question No: 9 What are three benefits of implementing an NFV solution? (Choose three.) A. isolated switching functions B. reduced hardware requirements C. tenants charged only for what they use D. increased network speed using bandwidth management E. automated services

4 ,B,E Question No: 10 Which two statements about a Contrail environment are true? (Choose two.) A. Control nodes peer with other control nodes using XMPP. B. Control nodes peer with compute nodes using MP-BGP. C. Control nodes peer with other control nodes using MP-BGP. D. Control nodes peer with compute nodes using XMPP. Answer: C,D Question No: 11 Which two types of data are collected by Contrail Analytics nodes? (Choose two.) A. system log messages B. routing tables C. Access Control Lists D. flow statistics,d Question No: 12 Click the Exhibit button.

5 Within your Contrail cluster, a BGP peer is not advertising routes as expected. After issuing the curl ip address>:8081/analytics/uves/bgp-peers command, you receive the output shown in the exhibit. What is causing this problem? A. an incorrect peer type B. an incorrect local ID C. an incorrect family D. an incorrect IP address Answer: C Question No: 13 Which two networking trends are addressed by SDN? (Choose two.) A. centralized management of Spanning Tree Protocol for traffic control B. enterprise customers migrating to 802.llac Wave 2 WiFi connectivity C. cloud services providing on-demand access to IT resources D. bring your own device (BYOD) networking Answer: C,D

6 Question No: 14 What are tenants called in OpenStack? A. sites B. areas C. projects D. domains Answer: C Question No: 15 Which role does Contrail serve in SDN? A. orchestrator B. controller C. gateway D. fabric Answer: B Question No: 16 Contrail plugs into which two OpenStack components? (Choose two.) A. Cinder B. Swift C. Horizon D. Neutron,D Question No: 17

7 What are three ways to deploy an MX Series device as an SDN gateway? (Choose three.) A. Configure as an SDN-to-SDN gateway. B. Configure as an L4 gateway. C. Configure as an L2 gateway. D. Configure as an L3 gateway. E. Configure as an application gateway.,c,d Question No: 18 You are decommissioning a Contrail compute node. Which two steps accomplish this task? (Choose two.) A. Remove the information about this detached compute node from the existing testbed.py file. B. Issue the fab detach_vrouter _node: root@<server ip-address> command from a Contrail control node. C. Uninstall the Contrail vrouter from the compute node being decommissioned. D. Delete the testbed.py file associated with the compute node.,b Question No: 19 Which two programming languages in the Contrail API libraries are made available as packages? (Choose two.) A. Go B. Python C. Perl D. SLAX

8 ,B Question No: 20 What is the function of an NFV Orchestrator? A. It coordinates the life cycle of VN Fs that jointly instantiate a network service. B. It manages the infrastructure. C. It manages the NFVI compute, storage, and network resources in the cloud data center. D. It is responsible for service life-cycle management, including instantiating, scaling, upgrading, downgrading, modifying, and terminating VNFs. Question No: 21 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? A. the testbed.py script B. the Heat Template C. the nova-console auth service D. the supervisor-vrouter service Answer: C Question No: 22 You are installing a Contrail and OpenStack cluster. What is the correct order of installation steps for this task? A. Unpack the Contrail packages, update testbed.py, upgrade the kernel install Contrail, and setup all. B. Unpack the Contrail packages, update testbed.py, install Contrail, setup all, and upgrade the

9 kernel. C. Unpack the Contrail packages, install Contrail, upgrade the kernel, update testbed.py, and setup all D. Unpack the Contrail packages, update testbed.py, upgrade the kernel, setup all, and install Contrail. Question No: 23 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 as an overlay B. open SDN C. SDN using NVGRE D. SDN using an API Question No: 24 Before creating a virtual network for your Contrail project, what must you create to enable the utilization of network resources? A. IP address management (IPAM) B. a domain name C. Domain Name Service (DNS) D. Network Time Protocol (NTP) server Question No: 25 Which protocol do configuration nodes use to send low-level configuration information to control

10 nodes? A. MBGP B. XMPP C. Sandesh D. IF-MAP Answer: D Question No: 26 Which component of an SDN controller allows developers to write applications that program the forwarding elements? A. southbound interface B. northbound interface C. forwarding plane D. control plane Answer: B Question No: 27 What information is contained in an OpenStack flavor? A. instance disk space and RAM allocation information B. IP addressing and IPAM information C. project and user rights information D. virtual network and policy information Question No: 28