Juniper JN0-643 - Enterprise Routing and Switching, Professional (JNCIP-ENT) Exam
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Total 287 questions
Question #6 (Topic: 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?
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?
A. You must configure an isolation VLAN ID under the pvlan 200 on the AS 2 switch
B. You must configure the ge 0/0/10 interface as AS1 as the pvlan trunk
C. You must configure an isolation VLAN ID under the pvlan 200 on both the switches
D. You must configure the ge 0/012 interface on both switches as pvlan trunks
Answer: D
Question #7 (Topic: 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?
broadcast traffic to only go to switches that have VLAN members connected to the network.
How would you accomplish this task?
A. storm control on all of the switches in the network
B. configure multiple VLAN registration protocol [MVRP] on all trunk ports in the network
C. use the set vlans<vlan name>vlan prune command for all configured VLANs
D. Use the set protocols igmp-snooping vlan all immediate-leave command
Answer: B
Question #8 (Topic: 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)
bridge to accommodate a set of VLANs. Which three configuration elements must watch on
switches participating in this deployment scenario? (Choose three)
A. MSTI toVLAN mapping
B. revision level
C. CST BPDU parameters
D. configuration name
E. bridge priority
Answer: A,B,D
Question #9 (Topic: 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?
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?
A. you must configure the Q in Q tunnel to use L2PT to tunnel STP packets
B. you must configure the same isolation ID on both sides of the tunnel
C. you must configure spanning tree on the interfaces connected to the customers sites
D. you must configure spanning tree to tunnel packets
Answer: A
Question #10 (Topic: 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?
not want the overhead of managing OSPFv2 and 0SPFv3 for route advertisement, Which
statement is true in this scenario?
A. OSPFv2 can advertise IPv6 routes by using opaque LSAs
B. OSPFv3 can advertise IPv4 routes by using route redistribution policies
C. OSPFv2 and OSPFv3 must run on the network to advertise IPv6 and IPv4 routes
D. 0SPFv3 can advertise IPv4 routes by configuring protocol realms
Answer: D
