Juniper JNCIP-ENT JN0-647 Questions & Answers

• Question 1:

  A packet enters the router and is subject to ingress's processing. In which order is the packet processed?

  A. Policer >BA classifier>multifield classifier>forwarding policy

  B. multifield classifier>BA classifier>policer>forwarding policy

  C. BA classifier>multifield claasssifier>policer>forwarding policy

  D. forwarding policy> BA classifier>multifield classifier>policer

  Correct Answer: C

• Question 2:

  Which two statements about VSTP on EX series switches are connect? (Choose two.)

  A. All VLANS beyond the first 64 will not be supported by VSTP

  B. VSTP automatically assigns each VLAN to one spanning tree instances

  C. VSTP must be used to intemperate with MVRP

  D. VSTP must be used to intemperate with PVST+

  Correct Answer: BD

• Question 3:

  Which statement is correct regarding the isolated ports?

  A. isolated ports are trunk ports that have layer 2 connectivity with all other ports

  B. isolated port are access ports that only have layer 2 connectivity with other isolated port

  C. isolated port are access port that only have layer 2 connectivity with promiscuous ports

  D. isolated port are trunk ports that have layer 2 connectivity with all community ports

  Correct Answer: C

• Question 4:

  You are attempting to configure BGP peering to a new service provider. The BGP peering state is stuck in the active state.

  What are two reasons for this happening? (Choose two.)

  A. The local autonomous system number is not configure

  B. The origin ID is not configure

  C. The peer IP address is incorrect

  D. The peer autonomous number is incorrect.

  Correct Answer: C

• Question 5:

  You manage your company enterprises network using EX series switches. Your company wants to use Q in Q tunneling to connect remote customer sites together. Which statement is correct about the scenario?

  A. You must enable L2PT to tunnel layer 2 protocol traffic

  B. The outside layer 2 frame is popped by the penultimate switch

  C. Customer traffic is tunneled through the network using the C VLAN ID

  D. The default Ethernet value is 0x9100

  Correct Answer: A

• Question 6:

  Your enterprise network is providing layer 2 connectivity between remote-sites using Q-in-Q tunneling. A customer wants to ensure their connection through your network is also participating in their spanning free topology. In this scenario, which solution must be used?

  A. you must configure the Q in Q tunnel to use L2PT to tunnel STP packets

  B. you must configure the same isolation ID on both sides of the tunnel

  C. you must configure spanning tree on the interfaces connected to the customers sites

  D. you must configure spanning tree to tunnel packets

  Correct Answer: A

• Question 7:

  You want to deploy MSTP with multiple regions. Each region should have a unique root bridge to accommodate a set of VLANs. Which three configuration elements must watch on switches participating in this deployment scenario? (Choose three.)

  A. MSTI toVLAN mapping

  B. revision level

  C. CST BPDU parameters

  D. configuration name

  E. bridge priority

  Correct Answer: ABD

• Question 8:

  You have certainly implemented the configuration shown in the exhibit. After committing these changes, the community devices connected to AS-1 are not able to communicate with the appropriate community devices connected to AS-2.

  What must be done to allow these community devices to communicate?

  A. You must configure an isolation VLAN ID Under the pvlan-200 on the AS2 switch

  B. You must configure the ge-0/0/10 interface on AS1 AS THE VPLAN on both switches

  C. You must configure an isolation VLAN ID under the VLAN 200 ON both switches

  D. You must configure the ge-0/012 interface on both switches as P VLAN trunks

  Correct Answer: D

• Question 9:

  Which two statements is true regarding the next hop attribute? (Choose two.)

  A. it is not changed when sent across EBGP sessions

  B. it is changed to self for IBGP routes learned from EBGP

  C. it is not changed for IGBP routes learned from EBGP

  D. it is Changed by default when sent across EBGP sessions

  Correct Answer: CD

• Question 10:

  Click the Exhibit button.

  

  Your network is experiencing congestion across the link between R2 and R3. You must make changes to alleviate traffic congestion from R3 to R2.

  Referring to the exhibit, which two commands would accomplish this task? (Choose two.)

  

  A. B. C. D.

  Correct Answer: BD