Juniper Networks – SDN and Automation, Specialist (JNCIS-SDNA) v7.0 (JN0-410)

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Total 68 questions

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


Answer : A

Explanation:
https://docs.openstack.org/admin-guide/cli-manage-flavors.html

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

  • A. Analytics
  • B. Neutron
  • C. Control
  • D. Glance


Answer : B

Explanation:
http://www.opencontrail.org/opencontrail-architecture-documentation/

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

  • A. Layer 2 firewall
  • B. Network Address Translation
  • C. intrusion detection and prevention
  • D. HTTP proxy


Answer : B

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

Which network type is created in Neutron and mapped to physical networks?

  • A. transient
  • B. tenant
  • C. provider
  • D. management


Answer : C

Refer to following.
$ nova flavor-create -is-public true vsrx_flavor auto 4096 16 2
What information about the Nova flavor creation is shown in the exhibit?

  • A. The RAM shown is displayed in GB.
  • B. The image flavor contains two virtual NICs.
  • C. Every instance created from this flavor will have two virtual CPUs.
  • D. The image flavor is private to the specific project the user is working on.


Answer : C

Explanation:
https://www.juniper.net/techpubs/en_US/vsrx15.1x49/topics/task/multi-task/security-vsrx- contrail-flavors.html

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

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


Answer : B,C

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

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


Answer : A

Explanation:
http://www.juniper.net/techpubs/en_US/contrail2.0/information-products/pathway- pages/getting-started.pdf Page:46-47

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

  • A. It uses service chaining to connect the control and forwarding planes to simplify management.
  • B. It cleanly separates networking software into the management, services, control, and forwarding planes.
  • C. It implements automated configuration changes usingthe SDN controller.
  • D. It centralizes the appropriate aspects of the management, services, and control planes to simplify network design and lower operating costs.


Answer : B,D

Explanation:
http://forums.juniper.net/t5/The-New-Network/Decoding-SDN/ba-p/174651

InContrail, for what would transparent mode service chaining be used?

  • A. load-balancing services
  • B. Network Address Translation
  • C. intrusion detection and prevention
  • D. HTTP proxy services


Answer : C

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

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

  • A. BGP
  • B. SSH
  • C. XMPP
  • D. NETCONF


Answer : C

Explanation:
http://www.juniper.net/us/en/local/pdf/whitepapers/2000535-en.pdf Page: 6

Click the Exhibit button.


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

  • A. A snapshot is being launched.
  • B. A custom flavor is used.
  • C. A default flavor is used.
  • D. A snapshot is being created.


Answer : B,D

Which statement about storage support in Contrail is true?

  • A. Placement groups require manual configuration basedon the number of disk drives in a cluster.
  • B. A replication factor of 2 is configured, consisting of one original instance plus one replica copy.
  • C. Disks are configured for RAID to achieve optimal performance and create proper failure boundaries.
  • D. A Ceph monitor process is configured for a cluster.


Answer : B

Explanation:
http://www.juniper.net/techpubs/en_US/contrail2.0/information-products/pathway- pages/getting-started.pdf Page: 112

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.)

  • A. Determine the tap interface through which the traffic flows.
  • B. Perform a TCP dump on the identified interface.
  • C. Determine the vhost0 interface through which the trafficflows.
  • D. Identify the compute node hosting the instance.
  • E. Identify the control node peering with the instance.


Answer : A,B,D

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

  • A. An SDN controller uses northbound APIs to manage applications and business logic.
  • B. An SDN controller functions as a gateway for the virtual machines in theSDN.
  • C. An SDN controller uses federated date between SDN controller domains.
  • D. An SDN controller uses southbound APIs to manage flow control to the switches and routers in the network.
  • E. An SDN controller uses federated routes between BGP autonomous systems.


Answer : A,D,E

What are tenants called in OpenStack?

  • A. sites
  • B. areas
  • C. projects
  • D. domains


Answer : C

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Total 68 questions