Juniper Juniper Certifications JN0-343 Questions & Answers

• Question 31:

  You have both IPv4 and IPv6 running in your network. You are asked to migrate your IGP from IS-IS to OSPF. The network must retain OSPF connectivity between all routers. Which statement is correct?

  A. You must use OSPFv2 on all your routers.

  B. You must use OSPFv3 on all your routers.

  C. You must use OSPFv4 on all your routers.

  D. IPv6 routers must continue to use IS-IS.

  Correct Answer: B

• Question 32:

  You are configuring filter-based forwarding on your Junos device.

  Which three components must be configured to accomplish this task? (Choose three.)

  A. firewall filter

  B. logical system

  C. routing instance

  D. routing policy

  E. RIB group

  Correct Answer: ACE

• Question 33:

  You have deployed a GRE tunnel between Site A and Site B. The tunnel interfaces are up on both tunnel endpoints but traffic is not being passed between the remote sites. Which two reasons would cause this problem? (Choose two.)

  A. The intermediate routers between the tunnel endpoints do not have GRE transport enabled.

  B. The intermediate routers between the tunnel endpoints do not have routes to both tunnel endpoints.

  C. The tunnel endpoints do not have import policies redistributing routes out of the tunnel.

  D. The tunnel endpoints do not have the required routes directing traffic into the tunnel.

  Correct Answer: BD

• Question 34:

  Which set of BGP attributes is preferred by the Junos OS?

  A. MED. 100 AS path: 65512 65512 65512 Local preferencE. 100 Origin: I

  B. MED. 50 AS path: 65512 65512 65512 Local preferencE. 50 Origin: E

  C. MED. 100 AS path: 65512 65512 65512 65512

  Local preferencE. 100

  Origin: I

  D. MED. 50 AS path: 65512 65512 65512 Local preferencE. 100 Origin: E

  Correct Answer: A

• Question 35:

  Your network has multiple BGP connections to your ISP's edge router. You are asked to influence which router is used by traffic entering your network without asking the ISP to make changes in their network. Which attribute should be used?

  A. local preference

  B. MED

  C. community

  D. aggregator

  Correct Answer: B

• Question 36:

  What are three types of OSPF packets? (Choose three.)

  A. open

  B. link-state acknowledgement

  C. link-state interval

  D. link-state request

  E. database description

  Correct Answer: BDE

• Question 37:

  You are viewing the output of the show ospf neighbor command from your routers on a LAN segment and you notice that an interface has the state of 2way. What would be the cause?

  A. The two routers cannot communicate with each other.

  B. The interface is between two DROther routers on a broadcast network.

  C. One of the routers is waiting for an OSPF start event.

  D. OSPF has not been configured on one of the routers.

  Correct Answer: B

• Question 38:

  Referring to exhibit, which configuration change is need for an IS-IS Level 1 adjacency between

  R1 and R2?

  user@R1# show interfaces lo0

  unit 0 {

  family inet {

  address 10.42.0.1/32;

  }

  family iso {

  address 49.0002.0010.0042.0001.00;

  }

  }

  user@R1# show protocols isis

  interface ge-0/0/1.0 {

  level 2 disable;

  }

  interface 1o0.0;

  user@R2# show interfaces lo0

  unit 0 {

  family inet {

  address 10.42.0.2/32;

  }

  family iso {

  address 49.0001.0010.0042.0002.00;

  }

  }

  user@R2# top shows protocols isis

  interface ge-0/0/1.0;

  interface lo0;

  A. Enable Level 2 on R1's ge-0/0/1 interface.

  B. Disable Level 2 on R2's ge-0/0/1 interface.

  C. Configure the lo0 family ISO address 49.0002.0010.0042.0002.00 on R2.

  D. Configure the lo0 family ISO address 49.0002.0010.0042.0002.00 on R1.

  Correct Answer: D

• Question 39:

  What is the correct sequence of the BGP route selection process?

  A. local preference, AS path, origin, MED, EBGP over IBGP, IGP metric cost, peer ID

  B. local preference, AS path, MED, origin, EBGP over IBGP, IGP metric cost, peer ID

  C. local preference, AS path, origin, MED, IGP metric cost, EBGP over IBGP, peer ID

  D. local preference, origin, AS path, MED, EBGP over IBGP, IGP metric cost, peer ID

  Correct Answer: A

• Question 40:

  -- Exhibit -{master:0} user@switch> show virtual-chassis status Virtual Chassis ID. dd7e.1747.4783 Virtual Chassis ModE. Enabled Mastership Neighbor List Member ID Status Serial No Model priority Role ID Interface 0 (FPC 0) Prsnt BM0208105168 ex4200-24t 255 Master* 1 (FPC 1) NotPrsnt BM0208124231 ex4200-24t Member ID for next new member: 2 (FPC 2) -- Exhibit -Referring to the output shown in the exhibit, which two statements are true? (Choose two.)

  A. The GbE interfaces associated with the device would use the ge-0/0/x naming format.

  B. The GbE interfaces associated with the device would use the ge-1/0/x naming format.

  C. If a new member is added to this Virtual Chassis, it would assume the Routing Engine role.

  D. If a new member is added to this Virtual Chassis, it would assume the line card role.

  Correct Answer: AC