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The Juniper JN0-349 certification exam is designed for individuals who wish to demonstrate their skills and knowledge in enterprise routing and switching technologies. This certification is intended for network professionals who are responsible for configuring and managing Juniper Networks devices in a production environment. The exam covers a range of topics including routing principles, switching concepts, virtual LANs (VLANs), spanning tree protocol (STP), layer 2 and layer 3 protocols, and network security.

Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Sample Questions (Q47-Q52):

NEW QUESTION # 47
Which two statements are true about high availability on Junos devices? (Choose two.)

  • A. BFD is slower at detecting failures than default GRE or OSPF timers.
  • B. NSR is dependent on helper routers to assist the routing platform in restoring routing protocol information.
  • C. NSR is independent of helper routers to assist the routing platform in restoring routing protocol information.
  • D. BFD is faster at detecting failures than default GRE or OSPF timers.

Answer: C,D

Explanation:
Explanation
https://www.juniper.net/documentation/en_US/junos/topics/concept/nsr-overview.html


NEW QUESTION # 48
Which two statements describe BGP attributes? (Choose two.)

  • A. BGP attributes help determine the best path to a destination.
  • B. The AS path attribute indicates the autonomous systems through which the route has traversed.
  • C. The origin attribute indicates the autonomous systems through which the route has traversed.
  • D. BGP attributes are always optional.

Answer: A,B


NEW QUESTION # 49
A BGP session shows the state as active.
What does the state indicate in this scenario?

  • A. The BGP session is fully established and routes are being passed.
  • B. The TCP connection is successful, and BGP is waiting for the OPEN message from its peer.
  • C. The routes are still trying to establish a TCP connection.
  • D. A keepalive message has been received.

Answer: C


NEW QUESTION # 50
Your BGP router receives routes from two upstream ISPs: ISP A and ISP B.
In this scenario, which change would you make to prefer routes from ISP A?

  • A. Change the MED value for all routes received from ISP A to 1 while all routes from ISP B remain configured with no MED value.
  • B. Set the local-preference attribute for all routes received from ISP A to 200 while all routes received from ISP B use the default local-preference value of 100.
  • C. Prepend the AS path to all routes received from ISP A while all routes received from ISP B use the default AS path value.
  • D. Set the local-preference attribute for all routes received from ISP A to 50 while all routes received from ISP B use the default local-preference value of 100.

Answer: B


NEW QUESTION # 51
You want to configure Layer 2 services over an IP-based tunneling mechanism between two sites. Which configuration statement is required to accomplish this task?

  • A. Set interface gr-0/0/0.0 family bridge
  • B. Set interfaces gr-0/0/0.0 encapsulation vlan-bridge
  • C. Set interface ip-00/0/0.0 encapsulation valn-bridge
  • D. Set interface ip-0/0/0.0 family bridge

Answer: A


NEW QUESTION # 52
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