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JN0-349 Exam Dumps - Juniper JNCIS-ENT Questions and Answers

Question # 14

Exhibit:

You have an ESXi host that is connected to ge-0/0/23 on a Juniper EX Series switch. You added a new VM that will also use the same ge-0/0/23 interface. Unfortunately, the new VM is not able to reach external devices.

Referring to the exhibit, which command would solve this problem?

Options:

A.

set vlans default switch-options interface-mac-limit 4

B.

set vlans default switch-options interface-mac-limit 5

C.

set switch-options interface ge-0/0/23.0 interface-mac-limit 3

D.

clear ethernet-switching recovery-timeout interface ge-0/0/23.0

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Question # 15

Click the Exhibit button.

Which statement is true about the configuration shown in the exhibit?

Options:

A.

Only the next-hop-self export policy will be evaluated when routes are sent to neighbor 172.30.1.1.

B.

Both the adv-aggregate and adv-custom export policies will be evaluated when routes are sent to neighbor 172.30.2.1.

C.

Both the adv-aggregate and next-hop-self export policies will be evaluated when routes are sent to neighbor 172.30.1.1.

D.

Only the adv-custom export policy will be evaluated when routes are sent to neighbor 172.30.2.1.

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Question # 16

You are a service provider and have multiple customers in a building.

You are installing a new switch that can host all of your customers. However, you would like to ensure that one customer cannot see or broadcast to another customer.

You would also like to have them use a common gateway IP address from the building. What should be used to provide this access?

Options:

A.

VLAN

B.

private VLAN

C.

filter-based VLAN

D.

Layer 2 tunneling

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Question # 17

You are deploying a new switch configuration at a small branch using EX3400 Series switches. You are concerned about loop prevention.

In this scenario, which configuration would you deploy?

Options:

A.

RSTP

B.

EVPN

C.

MPLS

D.

BPDU

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Question # 18

Click the Exhibit button.

Your company has connections to two ISPs. Each ISP is in a separate routing instance. You need to advertise the 0.0.0.0/0 prefix from both ISPs to all your devices.

Referring to the exhibit, which statement is true in this scenario?

Options:

A.

You must create and apply match input filters on interfaces ge-0/0/2 and ge-0/0/3.

B.

You must create a policy to allow traffic from your network to each ISP.

C.

You must create an internal routing instance for your network.

D.

You must create a RIB group to share interface routes.

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Question # 19

Each PC and IP phone in your network is connected to a switch using the same port. All incoming data traffic is untagged and belongs to the v10 VLAN, while traffic coming from the IP phones is tagged with a VLAN value of 20 and should belong to the v20 VLAN on your switch.

In this scenario, which statement is correct?

Options:

A.

You must enable the voice VLAN feature on the incoming interfaces and assign the v20 VLAN.

B.

You must enable an IRB interface and assign it to the v10 and v20 VLANs.

C.

You must enable LLDP-MED on the incoming interfaces and assign the v20 VLAN.

D.

You must enable the guest VLAN feature on the incoming interfaces and assign the v20 VLAN.

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Exam Code: JN0-349
Exam Name: Enterprise Routing and Switching - Specialist (JNCIS-ENT)
Last Update: May 11, 2025
Questions: 110
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