[Mar-2025] Pass JN0-649 Exam in First Attempt Updated JN0-649 Exam Questions [Q52-Q75]

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[Mar-2025] Pass JN0-649 Exam in First Attempt Updated JN0-649 Exam Questions

JNCIP-ENT Dumps JN0-649 Exam for Full Questions – Exam Study Guide

The JNCIP-ENT certification is intended for network professionals with intermediate to advanced knowledge of networking, routing, and switching technologies. Enterprise Routing and Switching, Professional (JNCIP-ENT) certification not only validates the skills required to configure and maintain Juniper Networks devices, but also demonstrates an understanding of how to design and troubleshoot complex network topologies. The JNCIP-ENT is a highly recognized certification in the industry and is a prerequisite for many advanced Juniper Networks certifications.

NR. 52 Which three configuration parameters must match on all switches within the same MSTP region?
(Wählen Sie drei aus.)

VLAN to instance mapping

revision level

configuration name

bridge priority

region name

NR. 53 Referring to the exhibit, you have placed the cos multifield classifier on all edge interfaces and configured the relevant CoS parameters.
Welche beiden Aussagen zu diesem Szenario sind richtig? (Wählen Sie zwei.)

SSH traffic using the default port will be placed in the af forwarding class and accepted.

SSH traffic using the default port will be placed in the best-effort forwarding class and accepted.

UDP traffic using the 16000 port will be placed in the voice forwarding class and accepted.

UDP traffic using the 16000 port will be placed in the best-effort forwarding class and accepted.

NR. 54 A Layer 2 connection does not expend across data centers. The IP subnet in a Layer 2 domain is confined within a single data center.
Which EVPN route type is used to communicate prefixes between the data centers?

Type 1

Type 2

Type 4

Type 5

NR. 55 You are authenticating user devices connected to your ex Series switch. You have 802.1X and MAC RADIUS configured for all ports. A user is complaining about the time it takes to connect their non- 802.1X device on ge-0/0/15 using MAC RADIUS authentication.
Referring to the exhibit, what should be done to accelerate the authentication process?

Change the supplicant mode to multiple on ge-0/0/15

Configure the no-reauthentication feature for 802.1X on ge-0/0/15

Configure the restrict feature for MAC RADIUS on ge-0/0/15.

Change the 802.1X retry attempts value to 5 on ge-0/0/15

NO.56 A customer needs to pass Layer 2 protocols between sites.
Which protocol or standard would be required to implement connectivity on EX4300, EX3400, and EX2300 devices?

Q-in-Q

IGMP

VPLS

OSPF

NR. 57 You have configured CoS on a Junos device. A packet is classified as best effort by a behavior aggregate (BA) classifier, and as expedited forwarding by a multifield (MF) classifier.
Which statement is true in this scenario?

The packet will be placed in a queue associated with the BA classifier.

The packet will be placed into the queue which is least congested.

The packet will be placed into the queue that has the most bandwidth assigned to it.

The packet will be placed in a queue associated with the MF classifier.

NR. 58 You are asked to establish full connectivity between all devices in the BGP network.
Referring to the exhibit, which two configuration changes will allow BGP route advertisements? (Choose two.)

On R2, include the loops 2 statement at the [edit protocols bgp family inet unicast] hierarchy.

On R1 and R3, include the loops 2 statement at the [edit protocols bgp family inet unicast] hierarchy.

On R1 and R3, include the advertise-peer-as statement at the [edit protocols bgp group external] hierarchy.

On R2, include the advertise-peer-as statement at the [edit protocols bgp group external] hierarchy.

NR. 59 Welche Aussage in Bezug auf das Exponat ist richtig?

R1 is an ASBR.

R1 has the B bit set.

R1 is a backbone router.

R1 is an ABR.

NR. 60 You are implementing a single spanning tree instance in your network and want to use the protocol that will give you the best convergence time in the event of a physical network failure of the root bridge. Which spanning tree protocol will satisfy this requirement?

RSTP

STP

MSTP

VSTP

NR. 61 Referring to the exhibit, which two statements are true with regards to deploying CoS? (Choose two.)

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

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

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

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

NR. 62 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?

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

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

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

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

NR. 63 Your network is multihomed to two ISPs. The BGP sessions are established; however, the ISP peers are not receiving any routes.
Which two statements are correct about troubleshooting your configuration? (Choose two.)

Verify the import policies on your router.

Verify that the BGP routes are active in your routing table.

Verify the export policies on your router.

Verity that the multihop settings are configured on your router.

NO.64 You enable the Multiple VLAN Registration Protocol (MVRP) to automate the creation and management of virtual LANs.
Welche Aussage ist in diesem Szenario richtig?

The forbidden mode does not register or declare VLANs.

When enabled, MVRP affects all interfaces.

Timers dictate when link state changes are propagated.

MVRP works with RSTP and VSTP.

NR. 65 Which address range is used for source-specific multicast?

239.0.0.0/8

233.0.0.0/8

232.0.0.0/8

224.2.0.0/16

NR. 66 You are asked to implement fault tolerant RPs in your multicast network.
Which two solutions would accomplish this behavior? (Choose two.)

Use BFD with statically defined RPs.

Use MSDP with statically defined RPs.

Use anycast PIM with statically defined RPs.

Use IGMPv3 with statically defined RPs.

NO.67 Referring to the outputs shown in the exhibit, which two statements are correct about the IS-IS adjacency? (Choose two.)

R1 is configured to participate in both Level 1 and Level 2.

R2 is configured to participate in both Level 1 and Level 2.

R1 is configured to participate in Level 2 only.

R2 is configured to participate in Level 2 only.

NR. 68 A user is attempting to watch a high-definition video being streamed from the media server over the network. However, the user complains that the experienced video quality is poor. While logged on to router B, a Juniper Networks device, you notice that video packets are being dropped.
In this scenario, what would solve this problem?

Adjust the scheduler for the expedited-forwarding forwarding class to support a higher transmit rate.

Adjust the expedited-forwarding BA classifier to router B’s ge-0/0/0 interface to support a higher transmit rate.

Adjust the scheduler-map to support a higher transmit rate.

Adjust the expedited-forwarding BA classifier on router B’s ge-0/0/1 interface to support a higher transmit rate.

NO.69 You are running OSPF as your IGP. The interfaces connecting two routers are in the ExStart state. You notice that something is incorrect with the configuration. Referring to the exhibit, which statement is correct?

The subnet mask is incorrect.

The MTU setting are incorrect.

The interface type is incorrect.

The IP addresses are incorrect.

NR. 70 Which two statements are true about the 802. 1X output shown in the exhibit? (Choose two.)

EAPoL traffic will not be sent out of the use ge-0/0/1 interface

EAPoL traffic will be sent out of the ge-0/0/1 interface.

The supplicant is authenticated using 802. 1X

The supplicant is not authenticated using 802. 1X

NR. 71 Klicken Sie auf die Schaltfläche Ausstellen.

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?

The S-VLAN is disabled.

The VLAN range overlaps.

The C-VLANs are disabled.

There are no active ports.

NR. 72 You are deploying new Juniper EX Series switches in a network that currently is using Cisco’s Per- VLAN spanning tree plus (PVST+) and you must provide compatibility with this environment.
Which spanning tree protocol do you deploy in this scenario?

STP

MSTP

VSTP

RSTP

NR. 73 You are implementing the route summarization feature of OSPF.
Which two results do you achieve in this scenario? (Choose two.)

It helps in migrating to future multi-area OSPF network designs.

It reduced the routing table size, enabling devices to store and process less information.

It reduces the impact of topology changes on a device.

It provides optimal routing in the network.

NO.74 You are deploying IP phones in your Layer 2 network and are asked to ensure that the switch sends VLAN and CoS information to the IP phones automatically.
In this scenario, which protocol should be used?

PoE

PoE+

LLDP

LLDP_MED

NO.75 Klicken Sie auf die Schaltfläche Ausstellen.

Referring to the exhibit, the source is currently sending multicast traffic using group 224.1.1.1, which is being received by R1. R2 is not receiving PIM register messages.
What would be the cause of this problem?