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Free Practice Questions for the Juniper JNCIP-ENT JN0-648 Exam (2026 Updated)

At Marks4sure, we are dedicated to providing IT professionals with the most accurate and reliable preparation materials for the Juniper JN0-648 exam. To support your certification journey, we have made a selection of our premium 2026 JNCIP-ENT practice questions and answers available completely free. You can take this practice test as many times as you need. Every question includes a detailed, expertly verified explanation to ensure you fully grasp the core security concepts before test day.

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Questions 4

Which type of BGP is used to peer with a different autonomous system?

Options:

A.

external

B.

classless

C.

dynamic

D.

static

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Questions 5

which protocol is a multicast routing protocol?

Options:

A.

OSPF

B.

BGP

C.

PIM

D.

IS-IS

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Questions 6

Click the Exhibit button.

JN0-648 Question 6

You recently implemented the configuration shown in the exhibit. After committing these changes, the community devices connected to AS-1 are not able to communicate with the appropriate community devices connected to AS-2.

What must be done to allow these community devices to communicate?

Options:

A.

You must configure to allow the ge-0/0/1 interface on AS-1 as the inter-switch.

B.

You must configure the ge-0/0/10 interface on AS-1 as the inter-switch link.

C.

You must configure the ge-0/0/1 interface on both switches the inter-switch links.

D.

You must configure an isolation VLAN ID under the vlan-pri vlan on the AS-2 switch.

E.

You must configure an isolation VLAN ID under the vlan-pri VLAN on both switches.

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Questions 7

You are deploying IP phones to a customer site. The IP phones will be installed to share a common access port with the user's desktop computer. You are required to provide a mechanism to place user data traffic and voice traffic in different VLANs for class-service application

How would you implement this solution?

Options:

A.

Configure flexible VLAN tagging on the user ports with the data and voice VLANs as members

B.

Apply a multifield classifier on the access ports that assigns voice packets to the assured forwarding class, based on the IP phone manufacturer's MAC QUI

C.

Configure the IP phones to label voice traffic with the DSCP of code point and apply a BA classifier to the access ports to classify voce traffic

D.

Configure VLAN tagging on the IP phones and use the voice VLAN feature on the access ports to assign lagged frames to the voice VLAN and untagged frames to a data VLAN

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Questions 8

Click the Exhibit button.

JN0-648 Question 8

Referring to the exhibit, how is R5 able to learn the networks that exist within the NSSA?

Options:

A.

R5 learns those networks from Type 3 LSAs advertised by R2.

B.

R5 learns those networks from Type 3 LSAs advertised by R3.

C.

R5 does not learn those networks and uses a default route advertised by R3 instead.

D.

R5 does not learn those networks but uses a default route advertised by R2 instead.

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Questions 9

Exhibit.

JN0-648 Question 9

Referring to the exhibit, which TTL value will be sent to the LLDP neighbors?

Options:

A.

120 seconds

B.

200 seconds

C.

400 seconds

D.

90 seconds

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Questions 10

Exhibit.

JN0-648 Question 10

Referring to the configuration shown in the exhibit, how many of the routes received from 10.0.0.2 will be active in the routing table?

Options:

A.

2

B.

8

C.

3

D.

5

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Questions 11

Which three types of ports are used for Junos Fusion Enterprise? (Choose three. )

Options:

A.

extended port

B.

authenticated port

C.

cascade port

D.

uplink port

E.

designated port

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Questions 12

Exhibit.

JN0-648 Question 12

Referring to the exhibit, which two statements are true with regards to deploying CoS? (Choose two.)

Options:

A.

You should apply BA classifiers on the point-to point interfaces of the routers.

B.

You should apply MF classifiers on the LAN-facing interfaces of the routers

C.

You should apply BA classifiers on the LAN-facing interfaces of the routers

D.

You should apply MF classifiers on the point-to-point interfaces of the routers

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Questions 13

You are asked to deploy 802.1X on your EX Series switches. You need to ensure authenticated devices

continue to have access to the network even if the authentication server fails.

Which action meets this configuration objective?

Options:

A.

Configure the server fail fallback with a value of sustain.

B.

Set the reauthentication interval to a value of 0.

C.

Configure the static MAC bypass for the authentication server.

D.

Set the reauthentication interval to a value of disable.

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Exam Code: JN0-648
Exam Name: Enterprise Routing and Switching Professional (JNCIP-ENT)
Last Update: Apr 14, 2023
Questions: 1