Juniper Juniper Certifications JN0-343 Questions & Answers

• Question 131:

  -- Exhibit -user@router> show ospf overview InstancE. master Router ID. 10.10.10.5 Route table index: 0 Configured overload, expires in 10 seconds Area border router LSA refresh timE. 30 minutes Restart: Enabled Restart duration: 20 sec Restart grace perioD. 40 sec Helper modE. enabled AreA. 0.0.0.0 Stub typE. Not Stub Authentication TypE. None Area border routers: 0, AS boundary routers: 0 Neighbors Up (in full state): 1 AreA. 0.0.0.1 Stub typE. Not so Stubby Stub Authentication TypE. Password Area border routers: 0, AS boundary routers: 0 Neighbors Up (in full state): 1 Topology: default (ID 0)

  Prefix export count: 10 Full SPF runs: 3 SPF delay: 0.200000 sec, SPF holddown: 5 sec, SPF rapid runs: 5 Backup SPF. Not Needed -- Exhibit -Your Junos device is running OSPF. Which three statements are true about the output shown in the exhibit? (Choose three.)

  A. The LSA refresh interval is at its default value.

  B. The device is currently in OSPF overload state.

  C. Protocol exchanges are encrypted for interfaces in Area 1.

  D. A routing policy is applied.

  E. Area 1 is an NSSA.

  Correct Answer: BDE

• Question 132:

  Your network consists of four EX Series switches, configured with the following STP parameters: S1: Bridge address - F F:33:44:77 ; Bridge priority - 8k S2: Bridge address - F F:33:44:66 ; Bridge priority - 4k S3: Bridge address - F F:33:44:99 ; Bridge priority - 4k S4: Bridge address - F F:33:44:88 ; Bridge priority - 8k Given this information, which device will become the root bridge?

  A. S1

  B. S2

  C. S3

  D. S4

  Correct Answer: B

• Question 133:

  Which three OSPF LSA types are allowed in an NSSA? (Choose three.)

  A. Type 1

  B. Type 2

  C. Type 4

  D. Type 5

  E. Type 7

  Correct Answer: ABE

• Question 134:

  -- 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 exhibit, which two statements are correct? (Choose two.)

  A. This Virtual Chassis is formed through a preprovisioned configuration.

  B. This Virtual Chassis is formed using the dynamic configuration process.

  C. If member 1 returns to operation within this Virtual Chassis, it will retain member ID 1.

  D. If member 1 returns to operation within this Virtual Chassis, it will receive member ID 2.

  Correct Answer: BC

• Question 135:

  Which two statements are true about STP port states? (Choose two.)

  A. A port that has been administratively disabled under the STP protocol drops all BPDUs.

  B. A port that has been administratively disabled under the STP protocol floods all BPDUs.

  C. In the listening state, the port forwards all data packets.

  D. In the listening state, the port drops all data packets.

  Correct Answer: AC

• Question 136:

  Given the information shown in the exhibit, what was used to determine mastership?

  

  A. member uptime

  B. highest serial number

  C. manually assigned role

  D. manually assigned priority

  Correct Answer: C

• Question 137:

  -- Exhibit ?

  

  -- Exhibit -Referring to the exhibit, which three elements must be configured to allow communication between Host A and Host B, and between Host C and Host D? (Choose three.)

  A. The ports connecting to the hosts must be configured as access ports.

  B. The ports connecting to the hosts must be configured as trunk ports.

  C. The ge-0/0/1 interface must be configured as a trunk port.

  D. The ge-0/0/1 interface must be configured for a routed VLAN interface.

  E. The ge-0/0/1 interface must be configured for a native VLAN.

  Correct Answer: ACE

• Question 138:

  Which two statements are correct about generated routes? (Choose two.)

  A. Contributing routes must have a valid forwarding next hop on the local device.

  B. Contributing routes must have a valid forwarding next hop other than the local device.

  C. Generated routes require more than one contributing route.

  D. Generated routes require at least one contributing route.

  Correct Answer: BD

• Question 139:

  Given the configuration shown in the exhibit, what will be the threshold for storm control?

  user@switch# show ethernet-switching-options

  storm-control {

  interface all {

  level 100;

  }

  }

  A. 100 pps (packets per second)

  B. 100% (percent of link bandwidth)

  C. 100 Mbps (megabits per second)

  D. 100 Kbps (kilobits per second)

  Correct Answer: B

• Question 140:

  Which three mechanisms build or maintain bridge tables in a switched LAN? (Choose three.)

  A. learning

  B. listening

  C. flooding

  D. purging

  E. aging

  Correct Answer: ACE