Enterprise Routing and Switching, Professional (JNCIP-ENT)

Question 1

Click the Exhibit button.

Referring to the exhibit, you configured a new multifield classifier for the ge-1/2/0 interface to move ICMP traffic to the best-effort queue and traffic from 192.168.20.0/24 to the expedited forwarding queue. You received notice that some applications are not working after the change.
Which configuration change will remedy the problem?

A. Option D

B. Option B

C. Option A

D. Option C

Correct Answer: B

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Question 2

Which two statements about BGP communities are true? (Choose two.)

A. A prefix can belong to more than community.

B. A BGP device can set, append, or modify the community of a route.

C. A prefix can only belong to one community.

D. A community is not a transitive attribute.

Correct Answer: A,B

Question 3

Which statement is correct about MSTP?

A. MSTP enables dynamic discovery of Layer 2 neighbors.

B. MSTP uses slacked VLAN tags to extend a Layer 2 Ethernet connection between multiple sites

C. MSTP enables mapping multiple independent spanning tree instances onto one physical topology

D. MSTP dynamically manages VLAN registration in a LAN

Correct Answer: C

Question 4

You are currently using VLAN IDs 2 through 300 within your Layer 2 domain and you need to configure VSTP to prevent loops You must ensure that all VL ANs are loop free.
In this scenario, which statement is correct?

A. You must ensure that the bridge priority is set to the lowest value on all switches in the Layer 2 domain.

B. You must ensure that the VLANs are balanced between two different root bridges.

C. You must enable RSTP to account for all VLANs.

D. You must enable all VLANs, 2 through 300, under the VSTP configuration

Correct Answer: D

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Question 5

Click the Exhibit button.

You are adding VNI 101 to your EVPN-VXLAN network, but traffic is not being sent or received.
Referring to the exhibit, which configuration statement will solve the problem?

A. set routing-instances EVPN1 vrf-table-label

B. set routing-instances EVPN1 bridge-domains BD-101 vxlan vni 101

C. set routing-instances EVPN1 vxlan encapsulate-inner-vlan

D. set routing-instances EVPN1 instance-type evpn

Correct Answer: B

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Question 6

When redistributing IGP routes into BGP. what information .s used by default on Junos platforms to determine the BGP route's MED attribute value?

A. routing information base

B. the IGP route preference

C. route protocol source

D. the IGP Metric

Correct Answer: D

Question 7

Exhibit.

You have applied the CoS configuration shown in the exhibit to an EX4300 switch.
Which two statements are true? (Choose two. )

A. All strict-high priority queues are serviced in a round-robin fashion as long as they have remaining credits

B. Packets in low priority queues are serviced when strict-high priority queues have no available credits

C. All strict-high priority queues are serviced in a round-robin fashion regardless of available credits.

D. Packets in low priority queues transmit only when start-high priority queues are empty

Correct Answer: A,D

Question 8

You are implementing 802.1x access control in your network of EX Series switches. You have some older client devices connecting to your network which do not support 802.1x.
Which statement is true regarding the older devices?

A. By default, the supplicant will send EAP messages and keep the port in an unauthorized state.

B. By default, the authenticator will send EAP messages until it reaches a predefined, after which it begins to forward traffic.

C. By default, the supplicant will send EAP messages until it reaches a predefined limit, after which it begins to forward traffic.

D. By default, the authenticator will send EAP messages and keep the port in an unauthorized state.

Correct Answer: C

Question 9

What information is contained in an OSPF LSA header? (Choose two.)

A. subnet mask

B. options

C. protocol

D. length

Correct Answer: B,D

Question 10

Exhibit.

Referring to the exhibit, there are multiple ASM groups in the 224 0 0.0/4 range Which configuration change is needed to ensure R1 is always the RP for group 224.224.1.1?

A. Configure R1 with a higher local RP address

B. Ensure R1 has a more specific group range

C. Increase the priority on R1 to higher than R2

D. Set the priority on R1 to zero

Correct Answer: D

Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) - JN0-648 Exam Practice Test

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