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JN0-647 Real Exam Questions

Enterprise Routing and Switching, Professional (JNCIP-ENT)

75 questions available · Page 1 of 8

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Question 1 Multiple choice

Click the Exhibit button.

Referring to the exhibit, Area 1 is a stub area.

Which two statements are correct in this scenario? (Choose two.)

  1. A

    R2 will send traffic to unknown destinations using R1 or R4.

  2. B

    R1 will send traffic to unknown destinations using R3 or R4.

  3. C

    R1 will send traffic to unknown destinations using only R3.

  4. D

    R2 will send traffic to unknown destinations using only R4.

Show answer and explanation

Correct answers: C, D

Question 2 Single choice

Click the exhibit.

Referring to the exhibit, traffic handled by the s-1 scheduler is out of profile.
Assuming bandwidth is available in this scenario, which statement is correct?

  1. A

    Traffic handled by the s-1 scheduler is serviced immediately after traffic being serviced by the s-4 scheduler.

  2. B

    Traffic handled by the s-1 scheduler is serviced immediately before traffic being serviced by the s-4 scheduler.

  3. C

    Traffic handled by the s-1 scheduler is serviced immediately before traffic being serviced by the s-2 scheduler.

  4. D

    Traffic handled by the s-1 scheduler is serviced immediately after traffic being serviced by the s-2 scheduler.

Show answer and explanation

Correct answer: D

Question 3 Single choice

Your campus EX9200 core devices are highly oversubscribed on bandwidth and reporting massive dropped packets. To immediately address the issue, you decide to implement shaping on all interfaces.

Which action will accomplish?

  1. A

    Apply the input-shape-rate 5G parameter to all interfaces under the [edit class-of service] hierarchy.

  2. B

    Define a CoS input traffic control profile with the shape-rate 5G parameter and apply it to all interfaces.

  3. C

    Define a CoS output traffic control profile with the shape-rate 5G parameter and apply it to all interfaces.

  4. D

    Apply the shape-rate 5G parameter to all interfaces under the [edit class-of service] hierarchy.]

Show answer and explanation

Correct answer: D

Question 4 Multiple choice

Which two statements are correct about using LLDP on junos devices? (Choose two.)

  1. A

    LLDP operates on layer 2 and layer 3 interfaces

  2. B

    LLDP can interoperate with the cisco discovery protocol CDP

  3. C

    LLDP is enabled on all devices by default

  4. D

    LLDP operates on layer 2 interfaces

Show answer and explanation

Correct answers: A, C

Question 5 Single choice

Click the Exhibit button.

Switch 4 is rebooted as shown in the exhibit.

Which statement is correct in this scenario?

  1. A

    CIST is reconverged.

  2. B

    MSTI-1 is reconverged.

  3. C

    CIST generates notification events.

  4. D

    MSTI-2 is reconverged.

Show answer and explanation

Correct answer: B

Question 6 Single choice

A customer needs to pass Layer 2 protocols between sites.

Which protocol or standard would be required to implement connectivity on EX4300, EX3400, and EX2300 devices?

  1. A

    Q-in-Q

  2. B

    IGMP

  3. C

    VPLS

  4. D

    OSPF

Show answer and explanation

Correct answer: A

Question 7 Single choice

Your network supports multicast traffic but your provider network does not. You want to allow multicast hosts outside of your network to receive multicast traffic sourced within your network.

How would you satisfy this requirement?

  1. A

    Use MSDP peering with your provider.

  2. B

    Use AutoVPN to connect to the remote hosts.

  3. C

    Use an MP-BGP session to your provider to pass multicast traffic.

  4. D

    Use an automatic multicast tunnel gateway at the edge of your network.

Show answer and explanation

Correct answer: D

Question 8 Single choice

Click the Exhibit button.

You are asked to advertise the 1.0.0.0/8 and 1.5.5.5/32 routes to your 10.254.32.2 BGP peer.

Referring to the exhibit, which configuration change would satisfy this requirement?

  1. A

    Remove the export-to- as81 policy.

  2. B

    Change the export-to- as81 policy to or longer.

  3. C

    Remove the reject-routes policy.

  4. D

    Change the reject-routes policy to longer.

Show answer and explanation

Correct answer: B

Question 9 Single choice

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.)

  1. A

    The local autonomous system number is not configure

  2. B

    The origin ID is not configure

  3. C

    The peer IP address is incorrect

  4. D

    The peer autonomous number is incorrect.

Show answer and explanation

Correct answer: C

Question 10 Single choice

Click the Exhibit button.

You are configuring a new BGP session between router1 and router2. The session does not establish.

Referring to the exhibit, what must be done to establish this session?

  1. A

    You must define the peer-as number on router2.

  2. B

    You must define the autonomous-system number under the [edit routing-options] hierarchy on router1.

  3. C

    You must specify type as external on both devices.

  4. D

    You must specify the local-address on both devices.

Show answer and explanation

Correct answer: D