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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