NEW QUESTION NO: 30
Click the Exhibit button.

Referring to the exhibit, which protocol is used to communicate from All Nodes to the Collector?
A. SRTP
B. Sandesh
C. HTTP
D. XMPP
Answer: B
Explanation/Reference:
References:
http://juniper.github.io/contrail-vnc/architecture.html

NEW QUESTION NO: 31
You have an OpenStack environment and a compute instance has crashed. You attempt to restart the AWM instance and you receive the message shown below.
Invalid: Instance has already been created
InstanceNotFound: Instance AWM could not be found.
What does this message indicate?
A. The instance is headless.
B. Keystone has a corrupted lock file for the instance.
C. The database has an invalid identifier for the instance.
D. The instance is stuck in an inactive state.
Answer: A
Explanation/Reference:
References:
http://networkstatic.net/troubleshooting-common-openstack-errors/

NEW QUESTION NO: 32
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 using the 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/Reference:
References:
http://forums.juniper.net/t5/The-New-Network/Decoding-SDN/ba-p/174651

NEW QUESTION NO: 33
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
Answer: A,D
Explanation/Reference:
References:
https://www.juniper.net/techpubs/en_US/contrail2.2/topics/concept/analytics-overview-vnc.html

NEW QUESTION NO: 34
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.
Answer: A,C,D
Explanation/Reference:
References:
https://forums.juniper.net/t5/Data-Center-Directions/Connecting-Islands-of-Resources-in-an-SDN-Data- Center/ba-p/214445

NEW QUESTION NO: 35
Which role does Contrail serve in SDN?
A. orchestrator
B. gateway
C. controller
D. fabric
Answer: C

NEW QUESTION NO: 36
Which two statements describe the default network policy in OpenStack? (Choose two.)
A. Only IPv4 is permitted.
B. UDP, TCP, and ICMP are permitted.
C. Both IPv4 and IPv6 are permitted.
D. Only UDP and TCP are permitted.
Answer: C,D

NEW QUESTION NO: 37
Which statement about storage support in Contrail is true?
A. Placement groups require manual configuration based on 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/Reference:
References:
http://www.juniper.net/techpubs/en_US/contrail2.0/information-products/pathway-pages/getting-started.pdf Page: 112

NEW QUESTION NO: 38
What is the function of an NFV Orchestrator?
A. It coordinates the life cycle of VNFs 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.
Answer: A
Explanation/Reference:
References:
http://www.juniper.net/assets/kr/kr/local/pdf/whitepapers/2000633-en.pdf Page: 3

NEW QUESTION NO: 39
Which statement about a Contrail environment is true?
A. All analytic nodes include a vRouter.
B. All config nodes include a vRouter.
C. All control nodes include a vRouter.
D. All compute nodes include a vRouter.
Answer: D

NEW QUESTION NO: 40
To retrieve attributes of a new virtual machine, which Contrail component does the OpenStack Nova agent communicate with to create a virtual network?
A. Analytics
B. Neutron
C. Control
D. Glance
Answer: B
Explanation/Reference:
References:
http://www.opencontrail.org/opencontrail-architecture-documentation/
https://www.newpassleader.com/Juniper/JN0-410-exam-preparation-materials.html