[Free] 2018(Jan) EnsurePass Passguide Juniper JN0-692 Dumps with VCE and PDF 71-80

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Service Provider Routing and Switching Support, Professional

Question No: 71 – (Topic 2)

You are asked to design a Layer 2 VPN service between service provider networks that needs Ethernet transport capabilities. The VPN should support two or three endpoints. Which Layer 2 VPN technology should you propose?

  1. LDP-signaled VPLS

  2. BGP-signaled VPLS, using the RFC 4448 Layer 2 frame format

  3. LDP Layer 2 circuit, using the RFC 4448 Layer 2 frame format

  4. BGP Layer 2 VPN

Answer: B

Question No: 72 – (Topic 2)

Click the Exhibit button.

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Your employer is ISP A. Your customers must be able to reach customers of both ISP B and ISP C, but your network must not allow transit traffic between ISP B and ISP C at any time. Referring to the exhibit, what are two solutions? (Choose two.)

  1. Use policy to filter routes on AS number.

  2. Use the well-known no-export community.

  3. Use the MED to prefer the proper routes.

  4. Use communities to identify and filter routes.

Answer: A,D

Question No: 73 – (Topic 2)

You are a network administrator in charge of configuring CoS for your network. Your network includes a voice application with strict latency requirements, so that any packets delayed by more than 75 ms are effectively useless. When configuring the scheduler for this application, which feature ensures that you do not waste buffer space?

  1. rate-limit

  2. adaptive

  3. latency-limit

  4. temporal

Answer: D

Question No: 74 – (Topic 2)

Click the Exhibit button.

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In the exhibit, R1 has a loopback address of 192.168.1.1. Its loopback interface is included in OSPF Area 1.Which two statements are true? (Choose two.)

  1. R1 will advertise the loopback address in a Type 1 LSA.

  2. R1 will advertise the loopback address in a Type 3 LSA.

  3. Area 0 will see the loopback address in a Type 1 LSA.

  4. Area 0 will see the loopback address in a Type 3 LSA.

Answer: A,D

Question No: 75 – (Topic 2)

The network design team has decided to activate multicast in the network. Auto-RP has been selected as the RP mechanism. Which PIM operational mode must be enabled in this network?

  1. sparse mode

  2. sparse-dense mode

  3. dense mode

  4. source specific multicast

Answer: B

Question No: 76 – (Topic 2)

Click the Exhibit button.

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Referring to the exhibit, Customer A is complaining that no OSPF routes are being received across your Layer 3 VPN. You suspect that a problem exists with the PE-CE protocol. The core network is operational. Which operational command on PE1 helps troubleshoot this problem?

  1. show ospf neighbor

  2. show bgp summary

  3. show ospf neighbor instance customer-a

  4. show bgp summary instance customer-a

Answer: C

Question No: 77 – (Topic 2)

Click the Exhibit button.

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You work for ISP A, as shown in the exhibit, and must configure R1 to use load balancing across both available links for all routes to ISP B#39;s network. You start by configuring this policy:

policy-statement load-balance { then {

load-balance per-packet;

}

}

Which two commands do you use to finish the configuration? (Choose two.)

  1. set protocols bgp group isp-b multihop

  2. set routing-options forwarding-table export load-balance

  3. set routing-options forwarding-table import load-balance

  4. set protocols bgp group isp-b multipath

Answer: B,D

Question No: 78 – (Topic 2)

Click the Exhibit button.

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Based on the configuration shown in the exhibit, which two statements are correct? (Choose two.)

  1. The secondary path is only signaled if the primary path fails.

  2. The secondary path is signaled and in standby mode.

  3. The LSP will revert back to the primary path when it becomes available.

  4. The LSP will not revert back to the primary path until the session is cleared.

Answer: A,C

Question No: 79 – (Topic 2)

Which two configuration parameters are required to configure an LDP-signaled VPLS service? (Choose two.)

  1. vpls-id

  2. site-identifier

  3. route-distinguisher

  4. instance-type vpls

Answer: A,D

Question No: 80 – (Topic 2)

Click the Exhibit button.

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As shown in the exhibit, you have an LSP established from R1 to R4. Your network experiences a link failure between R2 and R3.Which statement is correct?

  1. A ResvTear message is sent toward the egress router.

  2. A ResvConf message is sent toward the ingress router.

  3. A PathErr message is sent toward the egress router.

  4. A ResvTear message is sent toward the ingress router.

Answer: D

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