Juniper JN0-349 Online Practice Questions and Exam Preparation

Juniper JN0-349 Online Questions & Answers

• Question 101:

  Which two statements about aggregate routes in the Junos OS are correct? (Choose two.)

  A. An aggregate route has a default next hop of an IP address.
  B. An aggregate route always shows as active in the routing table.
  C. An active route can contribute only to a single aggregate route.
  D. Only one aggregate route can be configured for each destination prefix.
  C. An active route can contribute only to a single aggregate route.
  D. Only one aggregate route can be configured for each destination prefix.

• Question 102:

  You have a VLAN with two devices acting as a single gateway for hosts.

  In this scenario, which protocol would provide a single gateway IP for the hosts?

  A. VRRP
  B. OSPF
  C. IS-IS
  D. BGP
  A. VRRP

• Question 103:

  Which statement describes BFD?

  A. BFD rapidly detects link failures.
  B. BFD provides route loop protection.
  C. BFD provides broadcast storm protection.
  D. BFD provides high availability with multiple Routing Engines.
  A. BFD rapidly detects link failures.

• Question 104:

  Click the Exhibit button.

  

  Referring to the exhibit, which statement is correct?

  A. The router is acting as the DR.
  B. The router is acting as the BDR.
  C. The router is acting as a DROther.
  D. The router is not able to establish an adjacency.
  C. The router is acting as a DROther.

• Question 105:

  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. 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.
  B. Prepend the AS path to all routes received from ISP A while all routes received from ISP B use the default AS path value.
  C. 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.
  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.
  A. 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.

• Question 106:

  The next hop for the route is not reachable.

  In this scenario, what are two ways that BGP handles this route? (Choose two.)

  A. The route is placed into the forwarding table as an inactive route.
  B. The route is not placed into the forwarding table.
  C. The route is placed into the routing table as a hidden route.
  D. The route is placed into the forwarding table as a hidden route.
  B. The route is not placed into the forwarding table.
  C. The route is placed into the routing table as a hidden route.

• Question 107:

  Click the Exhibit button.

  

  Referring to the exhibit, which statement is correct?

  A. R1 and R2 are elected as DROthers.
  B. R3 has the complete OSPF database.
  C. R3 and R4 have an adjacency state of Full.
  D. R4 is elected as the DR.
  B. R3 has the complete OSPF database.

• Question 108:

  Which three statements describe what happens when processing a frame for a switched packet? (Choose three.)

  A. The ingress PFE performs the MAC address lookup.
  B. The frame enters the ingress port and is forwarded out all ports.
  C. The frame enters the ingress port and is processed by the ingress PFE.
  D. The ingress PFE sends the header information to the Routing Engine.
  E. The egress PFE forwards the packet out the egress port towards the destination.
  A. The ingress PFE performs the MAC address lookup.
  C. The frame enters the ingress port and is processed by the ingress PFE.
  E. The egress PFE forwards the packet out the egress port towards the destination.

• Question 109:

  Which two statements about Layer 2 loop prevention protocols are correct? (Choose two.)

  A. RSTP distributes the current tree topology using the root bridge.
  B. STP can take 30 to 50 seconds to respond to a topology change.
  C. RSTP can take 30 to 50 seconds to respond to a topology change.
  D. STP distributes the current tree topology using the root bridge.
  A. RSTP distributes the current tree topology using the root bridge.
  B. STP can take 30 to 50 seconds to respond to a topology change.

• Question 110:

  Which two statements are true about GRE tunnels on Junos devices? (Choose two.)

  A. Only one GRE tunnel can be included for each logical unit.
  B. Multiple GRE tunnels can be included for each logical unit.
  C. GRE interfaces can include multiple logical units.
  D. GRE interfaces can include only a single logical unit.
  A. Only one GRE tunnel can be included for each logical unit.
  C. GRE interfaces can include multiple logical units.