Juniper Juniper Certifications JN0-343 Questions & Answers

• Question 411:

  Which feature is used to route traffic to a specified ISP based on the source address?

  A. filter-based forwarding

  B. BGP outbound policy

  C. local preference

  D. IP source routing

  Correct Answer: A

• Question 412:

  Which three statements accurately describe the factory-default storm control configuration? (Choose three.)

  A. Storm control monitors traffic levels for broadcast traffic.

  B. Storm control monitors traffic levels for unknown unicast traffic.

  C. Storm control drops all monitored traffic in excess of 80 percent.

  D. Storm control monitors traffic levels for multicast traffic.

  E. Storm control shuts down the interface on which the storm control level is exceeded.

  Correct Answer: ABC

• Question 413:

  You want your switch to disable an edge port when it receives spanning tree communications on that port. Which feature accomplishes this objective?

  A. RSTP edge port

  B. BPDU protection

  C. root protection

  D. switch protection

  Correct Answer: B

• Question 414:

  Router-A has an OSPF route to destination 172.18.3.0/24 with four equal-cost paths .How will Router-A forward traffic destined to 172.18.3.5 based on Junos OS's default behavior?

  A. Traffic will be load-balanced on all four available paths.

  B. Traffic will be forwarded over the one path installed in the forwarding table.

  C. Traffic forwarding will be rotated across each of the four paths for 1 minute on each path.

  D. Traffic forwarding behavior depends on the hardware platform.

  Correct Answer: B

• Question 415:

  Which three configurations are required for an operational routed VLAN interface (RVI)? (Choose three.)

  A. {master:0}[edit] user@ex# show ethernet-switching vlan-map vlan-id 10; interface { ge-0/0/1.0; }

  B. {master:0}[edit] user@ex# show interfaces ge-0/0/1 unit 0 { family ethernet-switching; }

  C. {master:0}[edit] user@ex# show interfaces vlan.10 family inet { address 192.168.10.1/24; }

  D. {master:0}[edit] user@ex# show interfaces rvi.1 interface { ge-0/0/1.0; }

  E. {master:0}[edit] user@ex# show vlans v10 vlan-id 10; interface { ge-0/0/1.0; } l3-interface vlan.10;

  Correct Answer: BCE

• Question 416:

  On an edge router, you want to create a default route with a next hop to an external connection. The route should be available only when you are receiving routes from the external provider. Which type of route would you configure on your device to accomplish this objective?

  A. an aggregate route

  B. a generated route

  C. a primary contributing route

  D. a static route

  Correct Answer: B

• Question 417:

  

  You are deploying a Virtual Chassis consisting of four EX4200s. You have powered on all four switches at the same time with the settings shown in the exhibit. Which Virtual Chassis member will become the master?

  A. Switch-1

  B. Switch-2

  C. Switch-3

  D. Switch-4

  Correct Answer: D

• Question 418:

  Which three attributes are considered in the default configuration of per-flow load balancing for routed IPv4 traffic? (Choose three.)

  A. incoming interface

  B. source MAC address

  C. protocol

  D. source IP address

  E. destination port

  Correct Answer: ACD

• Question 419:

  You want several different subnets within your enterprise network to be reachable from outside the enterprise network. Your edge router must share a single route advertisement about these subnets with external devices. If one of the subnets is unavailable, your edge router should drop any traffic destined to that subnet. Which type of route, configured on the edge device with default behavior, accomplishes these objectives?

  A. an aggregate route

  B. a generated route

  C. a primary contributing route

  D. an OSPF route

  Correct Answer: A

• Question 420:

  Which configuration command would you use to add an IPv6 static route to your Junos device?

  A. set routing-options static route 0::/0 next-hop fec0:0:2003::2

  B. set routing-options static route inet6 0::/0 next-hop fec0:0:2003::2

  C. set routing-options static route ipv6 0::/0 next-hop fec0:0:2003::2

  D. set routing-options rib inet6.0 static route 0::/0 next-hop fec0:0:2003::2

  Correct Answer: D