[Free] 2018(Jan) EnsurePass Testking Juniper JN0-643 Dumps with VCE and PDF 91-100

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2018 Jan Juniper Official New Released JN0-643
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Enterprise Routing and Switching, Professional (JNCIP-ENT)

Question No: 91 – (Topic 2)

– Exhibit –

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Referring to the exhibit, your AS is connected to ISP-A and ISP-B using BGP. R1 and R2 are advertising your AS#39;s 172.25/16 prefix upstream to both ISPs, and both ISPs are providing a full BGP route table. You want to influence traffic flow so that traffic towards your network enters through R1.

Which action would meet the requirement?

Apply the following as an export policy towards ISP-B:

  1. [edit policy-options] user@R2# show

    policy-statement prefer-for-inbound { term prepend {

    then {

    as-path-prepend quot;100 100quot;; accept;

    }

    }

    }

    Apply the following as an export policy towards ISP-A:

  2. [edit policy-options] user@R1# show

    policy-statement prefer-for-inbound { term prepend {

    then {

    as-path-prepend quot;100 100quot;; accept;

    }

    }

    }

    Apply the following as an export policy towards R1 and R3:

  3. [edit policy-options] user@R2# show

    policy-statement prefer-for-inbound { term local-pref {

    then {

    local-preference 110; accept;

    }

    }

    }

    Apply the following as an export policy towards R2 and R3:

  4. [edit policy-options] user@R1# show

policy-statement prefer-for-inbound { term local-pref {

then {

local-preference 110; accept;

}

}

}

Answer: A

Question No: 92 – (Topic 2)

Your company makes extensive use of VSTP in your network for loop protection. The network is at the VSTP VLAN limit and must protect additional VLANs.

Which command allows you to protect additional VLANs?

  1. set protocols mstp interface all

  2. set protocols vstp vlan all

  3. set protocols vstp vlan-group

  4. set protocols rstp

Answer: D

Question No: 93 – (Topic 2)

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Referring to the exhibit, the RPT from R3 towards R2 is established.

What happens if the multicast source connected to R1 starts sending multicast traffic towards R1?

  1. R1 encapsulates the multicast packets into a PIM register multicast packet.

  2. R1 encapsulates the multicast packets into PIM join unicast messages.

  3. R1 forwards the multicast packets on the (S,G) tree towards the RP.

  4. R1 tunnels the multicast packets in PIM register messages towards the RP.

Answer: D

Question No: 94 – (Topic 2)

Which set of BGP attributes is preferred by the Junos OS?

  1. MED. 100

    AS path: 50 50 50

    Local preferencE. 50 Origin: I

  2. MED. 50

    AS path: 50 50 50

    Local preferencE. 1 Origin: E

  3. MED. 100

    AS path: 50 50 50 50

    Local preferencE. 50 Origin: I

  4. MED. 50

AS path: 50 50 50

Local preferencE. 50 Origin: E

Answer: A

Question No: 95 – (Topic 2)

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Referring to the exhibit, what is the shortest path from R6 to R5?

A. R6, R4, R2, R1, R3, R5

B. R6, R4, R2, R3, R5

  1. R6, R4, R5

  2. R6, R5

Answer: D

Question No: 96 – (Topic 2)

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Referring to the exhibit, you are asked to prevent the 184.16.1.0/24 route from entering the backbone.

Which configuration statements would accomplish the task?

  1. On router R1, issue the set protocols ospf area 3 nssa area-range 184.16.1.0/24 restrict command.

  2. On router R3, issue the set protocols ospf area 0 area-range 184.16.1.0/24 restrict command.

  3. On router R3, issue the set protocols ospf area 3 area-range 184.16.1.0/24 restrict command.

  4. On router R3, issue the set protocols ospf area 3 nssa area-range 184.16.1.0/24 restrict command.

Answer: D

Question No: 97 – (Topic 2)

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Referring to the exhibit, which two statements are true regarding the MSTP port role and port state of ge-0/0/0 and ge-0/0/1 on SW1?

  1. Port ge-0/0/0 is a root port and ge-0/0/1 is an alternate port.

  2. Both ports are designated ports.

  3. Both ports are in a forwarding state.

  4. Port ge-0/0/0 is a root port and ge-0/0/1 is in a forwarding state.

Answer: B,C

Question No: 98 – (Topic 2)

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Referring to the exhibit, you are asked to ensure that CE1 can communicate with CE2 using VLAN 150.

Which configuration meets this requirement on S1?

  1. user@S1# show customer-a {

    vlan-id 200; dot1q-tunneling {

    customer-vlans 150;

    }

    }

    {master:0}[edit vlans]

  2. user@S1# show customer-a {

    vlan-id 150; interface { ge-0/0/0.0; ge-0/0/1.0;

    }

    dot1q-tunneling { customer-vlans 200;

    }

    }

    {master:0}[edit vlans]

  3. user@S1# show customer-a {

    vlan-id 200; interface { ge-0/0/0.0; ge-0/0/1.0;

    }

    dot1q-tunneling { customer-vlans 150;

    }

    }

    {master:0}[edit vlans]

  4. user@S1# show customer-a {

vlan-id 150; interface { ge-0/0/0.0;

}

}

v200 {

vlan-id 200; interface { ge-0/0/1.0;

}

}

Answer: C

Question No: 99 – (Topic 2)

– Exhibit – [edit]

user@switch# commit

error: Trunk interface lt;ge-0/0/10.0gt; can not be member of both dot1q-tunneling enabled vlan lt;cust-1gt;, and a non dot1q-tunneled vlan lt;v11gt; when dot1q-tunneling ethernet-type is not lt;0x8100gt;

error: configuration check-out failed

– Exhibit –

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When you try to commit your 802.1Q tunneling configuration, you receive the error shown in the exhibit.

Which configuration statement will allow the configuration to commit?

  1. set vlans cust-1 interface ge-0/0/10 egress

  2. set interfaces ge-0/0/10 ether-options mdi-mode auto

  3. set vlans v11 dot1q-tunneling customer-vlans native

  4. set ethernet-switching-options dot1q-tunneling ether-type 0x8100

Answer: D

Question No: 100 – (Topic 2)

– Exhibit –

MSTP information Context identifier : 0 Region name : Juniper Revision : 1

Configuration digest : 0xfdbe318c0ae799ae6dfdae4c882c67ee

MSTI Member VLANs 0 0,4-4094

1 1-3

– Exhibit –

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A network engineer has configured MSTP on several switches for loop protection. You must verify the work and ensure that the appropriate parameters match on all switches.

Which operational command provides the required output shown in the exhibit?

  1. show spanning-tree interface

  2. show spanning-tree mstp configuration

  3. show spanning-tree bridge

  4. show ethernet-switching interfaces

Answer: B

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