[Free] 2018(Jan) EnsurePass Testking Juniper JN0-643 Dumps with VCE and PDF 1-10

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

Question No: 1 – (Topic 1)

What are two OSPF LSA types? (Choose two)

  1. stub

  2. router

  3. transit

  4. network

Answer: B,D

Question No: 2 – (Topic 1)

Company A, recently acquired company B. Both network are running multi-area OSPF. You added a new physical question between the locations. You are able to reach both Area 0 networks from Area 10, but you are having connectivity problems between router A1 and router B1 Referring to the exhibit, what must you use to facilitate the communication?

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  1. A multi area link

  2. A multi area adjacency

  3. A virtual link

  4. A virtual private network

Answer: C

Question No: 3 – (Topic 1)

Which three statements are correct about source specific multicast (SSM) on the junos OS? (Choose three)

  1. SSM requires the use of an RP

  2. IT HAS AN DEDICATED address block

  3. SSM does not require the use of an RP

  4. SSM must use the232/8 address range

  5. IGMPv2 and IGMPv3 can be used with SSM.

Answer: B,C,E

Question No: 4 – (Topic 1)

What is the purpose of realms in OSPFv3?

  1. They pass IPv6 routes through IPv4

  2. They pass IPv6 routes through VPNs

  3. They pass IPv4 routes through IPv6

  4. They pass VPN through IPv6

Answer: C

Question No: 5 – (Topic 1)

Referring to the exhibit, R2 is exporting the route for server1 as a Type 2 external route and R6 is exporting the route for server 1 as a type 1 external route in OSPF. Which path is taken to reach server-1 from user1?

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  1. R1gt;R3gt;R6

  2. R1gt;R2

  3. R1gt;R4gt;R6

D. R1gt;R2gt;R4gt;R6

Answer: D

Question No: 6 – (Topic 1)

You have certainly implemented the configuration shown in the exhibit. After committing these changes, the community devices connected to AS1 are not able to communicate with the appropriate community devices connected to AS2. What must be done to allow these community devices to communicate?

  1. You must configure an isolation VLAN ID under the pvlan 200 on the AS 2 switch

  2. You must configure the ge 0/0/10 interface as AS1 as the pvlan trunk

  3. You must configure an isolation VLAN ID under the pvlan 200 on both the switches

  4. You must configure the ge 0/012 interface on both switches as pvlan trunks

Answer: D

Question No: 7 – (Topic 1)

You are asked to reduce broadcast traffic within the switching domain. You want VLAN broadcast traffic to only go to switches that have VLAN members connected to the network. How would you accomplish this task?

  1. storm control on all of the switches in the network

  2. configure multiple VLAN registration protocol [MVRP] on all trunk ports in the network

  3. use the set vlanslt;vlan namegt;vlan prune command for all configured VLANs

  4. Use the set protocols igmp-snooping vlan all immediate-leave command

Answer: B

Question No: 8 – (Topic 1)

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)

  1. MSTI toVLAN mapping

  2. revision level

  3. CST BPDU parameters

  4. configuration name

  5. bridge priority

Answer: A,B,D

Question No: 9 – (Topic 1)

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?

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

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

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

  4. you must configure spanning tree to tunnel packets

Answer: A

Question No: 10 – (Topic 1)

The network is configured with IPv4 and IPv6 addressing. The network administrator does not want the overhead of managing OSPFv2 and 0SPFv3 for route advertisement, Which statement is true in this scenario?

  1. OSPFv2 can advertise IPv6 routes by using opaque LSAs

  2. OSPFv3 can advertise IPv4 routes by using route redistribution policies

  3. OSPFv2 and OSPFv3 must run on the network to advertise IPv6 and IPv4 routes

  4. 0SPFv3 can advertise IPv4 routes by configuring protocol realms

Answer: D

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