Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT)

QUESTION NO: 1
Which EVPN route type is used for fast convergence and for advertising the split horizon label?

A. Type 1 B. Type 4 C. Type 2 D. Type 5

Correct Answer: A

QUESTION NO: 2
You will to route Layer 3 PVLAN traffic within the secondary VLAN.
What is required to accomplish this task?

A. an FBF policy B. an isolated VLAN C. an IRB D. a community VIAN

Correct Answer: C

QUESTION NO: 3
Packets enter a Juniper device and are classified as best effort. During the processing of the packet, the classification of the packets is changed to expedited forwarding by a multi-field classifier. The device is using the default CoS policies Which statement is true in this scenario?

A. The packet is forwarded according to the original packet classification, and the DSCP bits do not change. B. The packet is forwarded according to the new packet classification, and the DSCP bits do not change. C. The packet is forwarded according to the new packet classification, and the DSCP bits are rewritten to the new class. D. The packet is forwarded according to the original packet classification, and the DSCP bits are rewritten to the new class.

Correct Answer: B

QUESTION NO: 4
You are implementing 802.1x authentication in your Layer 2 network. Each user will have a computer and a phone and you must ensure that both device are authenticated individually.
In this scenario, which supplicant mode should be used?

A. Single-secure B. multiple C. Single D. Captive-portal

Correct Answer: C

QUESTION NO: 5
Click the Exhibit button.

Referring to the exhibit, which statement is true?

A. Only 802. 1X authentication will be used for devices connecting to ge-0/0/15 B. The current device was allowed after authentication attempts to the RADIUS server failed C. Additional users will automatically be allowed to connect to ge-0/0/15 D. The current device is authenticated using MAC RADIUS

Correct Answer: B

QUESTION NO: 6
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?

A. Configure the static MAC bypass for the authentication server. B. Set the reauthentication interval to a value of disable. C. Set the reauthentication interval to a value of 0. D. Configure the server fail fallback with a value of sustain.

Correct Answer: D

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QUESTION NO: 7
Which statement is correct about MSTP?

A. MSTP dynamically manages VLAN registration in a LAN B. MSTP enables mapping multiple independent spanning tree instances onto one physical topology C. MSTP uses slacked VLAN tags to extend a Layer 2 Ethernet connection between multiple sites D. MSTP enables dynamic discovery of Layer 2 neighbors.

Correct Answer: B

QUESTION NO: 8
Click the Exhibit button.

During an outage, you review the status of the Q-in-Q implementation on VLAN 300.
Referring to the exhibit, what would be the cause of the outage?

A. The VLAN range overlaps. B. There are no active ports. C. The S-VLAN is disabled. D. The C-VLANs are disabled.

Correct Answer: B

QUESTION NO: 9
You must ensure that all management traffic sourced from your Junos devices is set with a specific DSCP code-point value.
Which action will accomplish this task?

A. Apply the DSCP code-point to a rewrite rule. B. Apply the DSCP code-point in an egress policer. C. Apply the DSCP code-point to the [edit class-of-service interface lo0.0] hierarchy D. Apply the DSCP code-point to the [edit class-of-service host-outbound-traffic] hierarchy.

Correct Answer: D

QUESTION NO: 10
Your company has expanded into office space across the street. The new office space has a single Ethernet connection connected to an unmanaged switch. You must sort traffic based on the IP address into different VLANs once the traffic arrives on your EX Series switches.
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Which mechanism would you use to accomplish this task?

A. MVRP B. dynamic VLANs C. filter-based VLANs D. Q-in-Q tunneling

Correct Answer: C

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