Juniper Juniper Certifications JN0-343 Questions & Answers

• Question 221:

  

  Referring to the exhibit, a packet destined to 172.129.3.5 is sent from ISP X towards R1.

  Which statement describes how R1 handles the packet?

  A. It sends ICMP network unreachable messages back to the source.

  B. It forwards the packet towards Network A.

  C. It silently drops the packet and does not send a message back to the source.

  D. It forwards the packet towards Network C.

  Correct Answer: A

• Question 222:

  Which command statically routes to a next hop that is not directly connected?

  A. set routing-options static route 24.16.42.0/24 qualified-next-hop 64.8.21.3

  B. set routing-options static route 24.16.42.0/24 multihop 64.8.21.3

  C. set routing-options static route 24.16.42.0/24 next-hop 64.8.21.3 recursive

  D. set routing-options static route 24.16.42.0/24 next-hop 64.8.21.3 resolve

  Correct Answer: D

• Question 223:

  When analyzing BGP packets, you notice that specific path attributes are always present.

  Which two attributes are seen in every update packet? (Choose two.)

  A. AS path

  B. local preference

  C. origin

  D. originator ID

  Correct Answer: AC

• Question 224:

  -- Exhibit -user@R1# show interfaces

  ge-0/0/8 {

  unit 0 {

  family inet {

  address 172.25.100.2/24 {

  vrrp-group 10 {

  virtual-address 172.25.100.1;

  priority 200;

  }

  }

  }

  }

  }

  -- Exhibit -Two routers, R1 and R2, are part of a VRRP master and backup design.

  Referring to the exhibit, which two statements are correct about this VRRP deployment? (Choose two.)

  A. The address 172.25.100.2 is only reachable on R1.

  B. The address 172.25.100.1 is only reachable on R1.

  C. The address 172.25.100.2 will only be reachable on the master of VRRP group 10.

  D. The address 175.25.100.1 will only be reachable on the master of VRRP group 10.

  Correct Answer: AD

• Question 225:

  What are two BGP session types? (Choose two.)

  A. internal

  B. inside

  C. outside

  D. external

  Correct Answer: AD

• Question 226:

  You want to enable nonstop active routing (NSR). Which two commands must you use? (Choose two.)

  A. set routing-options nonstop-routing

  B. set routing-options graceful-restart

  C. set chassis redundancy graceful-switchover

  D. set routing-options graceful-switchover

  Correct Answer: AC

• Question 227:

  

  Referring to the exhibit, you want to avoid using STP and the LAG is configured on ae0. Which function would you use to prevent a Layer 2 loop?

  A. VRRP

  B. RTG

  C. LACP

  D. GRES

  Correct Answer: B

• Question 228:

  Which two statements describe the scenario when a router will send out a Type 4 link-state update packet to its neighbors? (Choose two.)

  A. Type 4 link-state update packets are unicast to every neighbor on regular intervals to keep the database consistent between neighbors.

  B. Type 4 link-state update packets are sent when the interface receives a Type 3 Link- State Request packet from a neighbor.

  C. Type 4 link-state update packets are multicast to every neighbor on regular intervals to keep the database consistent between neighbors.

  D. Type 4 link-state update packets are sent out to the designated router (DR) or backup designated router (BDR) when a topology change occurs.

  Correct Answer: BD

• Question 229:

  Which two commands will display the link speed of ge-0/0/0? (Choose two.)

  A. show interfaces ge-0/0/0 | match "Speed"

  B. show interfaces ge-0/0/0.0 statistics

  C. show interfaces terse ge-0/0/0 extensive

  D. show interfaces ge-0/0/0 brief

  Correct Answer: AD

• Question 230:

  -- Exhibit -[edit]

  user@router# show routing-options

  graceful-restart {

  disable;

  }

  [edit]

  user@router# show protocols bgp

  graceful-restart;

  group my-group {

  type internal;

  local-address 192.168.1.1;

  neighbor 192.168.1.2;

  neighbor 192.168.2.2 {

  graceful-restart {

  disable;

  }

  }

  }

  -- Exhibit -You have configured your router as shown in the exhibit.

  Which statement is true based on the graceful restart (GR) configuration?

  A. GR has been disabled globally for all protocols including BGP.

  B. GR is enabled for all BGP neighbors.

  C. GR is enabled only for BGP neighbor 192.168.1.2.

  D. GR is not supported with BGP.

  Correct Answer: C