[Free] 2018(Jan) EnsurePass Dumpsleader Juniper JN0-661 Dumps with VCE and PDF 71-80

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Service Provider Routing and Switching

Question No: 71 – (Topic 2)

– Exhibit –

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Referring to the VPLS network shown in the exhibit, you notice that only one of the two CE sites configured under the VPLS instance forms a connection to the remote site. The other site remains in a forwarding and learning mode.

How does PE1 determine which CE within the VPLS instance forms the connection to the remote site?

  1. The site that first distributes the outgoing label to the remote site will form the connection.

  2. The site with a lower interface index value will form the connection.

  3. The site with a higher interface index value will form the connection.

  4. The site with the lowest site ID will form the connection.

Answer: D

Question No: 72 – (Topic 2)

Which two statements regarding OSPFv2 or OSPFv3 authentication are correct? (Choose two.)

  1. OSPFv2 supports MD5 authentication.

  2. OSPFv2 supports MD5 or SHA authentication.

  3. OSPFv2 relies on the native security stack that uses IPsec.

  4. OSPFv3 relies on the native security stack that uses IPsec.

Answer: D

Question No: 73 – (Topic 2)

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Your network has multiple LSPs between Router A and Router B, as shown in the exhibit. You add a new LSP between these routers with the following parameters:

LSP5: 20 Mbps; Priority 4 3

Assuming no link has 20 Mbps available, which LSP will be preempted by LSP5?

  1. LSP1

  2. LSP2

  3. LSP3

  4. LSP4

Answer: D

Question No: 74 – (Topic 2)

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Referring to the exhibit, you have recently configured a Layer 3 VPN between Site 1, Site 2, and Site 3. The CE2 device has all routes from Site 1 and Site 3. The CE3 device has all the routes from Site 1 and Site 3. CE1 is not receiving any routes from either Site 2 or Site 3.

Which statement is correct?

  1. PE2 must redistribute the routes into OSPF using a VRF export policy.

  2. You must configure a sham link between all three sites.

  3. OSPF is not a supported PE to CE routing protocol.

  4. You must create an export policy on PE1 to redistribute the VPN routes into OSPF.

Answer: D

Question No: 75 – (Topic 2)

You are asked to provide redundancy to avoid a single point of failure for your route reflector cluster groups.

Which action will accomplish this task?

  1. Configure unique cluster IDs for each client within a route reflector cluster group.

  2. Configure two route reflectors for each route reflector cluster group.

  3. Configure a full IBGP peer mesh between clients within the route reflector cluster group.

  4. Configure the no-client-reflect parameter on the route reflector.

Answer: B

Question No: 76 – (Topic 2)

You are asked to share a customer#39;s routes between two separate Layer 3 VPNs. The VPNs must remain separate. None of the shared routes should be sent to the remote PE devices.

Which two configuration elements are used to meet these requirements? (Choose two.)

  1. auto-export

  2. export-rib

  3. [edit policy-options policy-statement vpnb-export] user@router# show

    term 1 { from {

    protocol bgp; interface ge-0/0/1.0;

    }

    then {

    community add vpnb-target; accept;

    }

    }

    term 2 { then reject;

    }

  4. [edit policy-options policy-statement vpnb-export] user@router# show

term 1 { from {

protocol bgp; interface ge-0/0/1.0;

}

then {

community add vpnb-target; accept;

}

}

Answer: A,C

Question No: 77 – (Topic 2)

Refer to the exhibit.

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Which statement is true?

  1. OSPF neighbor 192.168.158.103 is least likely to be selected as the designated router.

  2. OSPF neighbor 192.168.158.103 is most likely to be selected as the designated router.

  3. OSPF neighbor 192.168.158.103 is ineligible to be selected as the designated router.

  4. OSPF neighbor 192.168.158.103 is second most likely to be selected as the designated router.

Answer: A

Question No: 78 – (Topic 2)

You have recently deployed an MPLS network using CSPF with its default settings. Which statement is true regarding path selection when multiple candidate paths exist?

  1. The path selected will be based on the most-fill bandwidth ratio.

  2. The path selected will be based on the least-fill bandwidth ratio.

  3. The path selected will be based on a randomized algorithm.

  4. The path selected will be based on the first-hop LSR#39;s RID.

Answer: C

Question No: 79 – (Topic 2)

– Exhibit –

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In the exhibit, you must configure an OSPF virtual link between R2 and R3 to facilitate communication between Area 0 and Area 2.

Which two addresses should you use as the neighbor IDs of the virtual link endpoints?

(Choose two.)

  1. The address that is associated with R2#39;s router ID.

  2. The address that is associated with R2#39;s ge-0/0/0 interface.

  3. The address that is associated with R3#39;s router ID.

  4. The address that is associated with R3#39;s ge-0/0/1 interface.

Answer: A,C

Question No: 80 – (Topic 2)

You are asked to deploy VPLS in your network as a new service for several customers and must identify the configuration and provisioning requirements. Which two statements are correct? (Choose two.)

  1. PE routers must include a VRF routing instance.

  2. PE interfaces facing customers must have family VPLS configured.

  3. PE routers must create a unique site ID for each CE device.

  4. CE routers must be configured with their assigned route target.

Answer: B,C

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