[Q64-Q87] Try JN0-649 Free Now! Real Exam Question Answers Updated [Sep 02, 2025]

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Try JN0-649 Free Now! Real Exam Question Answers Updated [Sep 02, 2025]

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Juniper JN0-649 certification exam is recognized globally as an industry-standard benchmark for networking professionals with advanced skills in designing, configuring, and troubleshooting enterprise networks. Passing JN0-649 exam demonstrates the candidate’s in-depth understanding of various Juniper Networks technologies and their ability to manage complex and dynamic network environments. With this certification, candidates can boost their career prospects and demonstrate their expertise in the networking industry.

Juniper JN0-649 certification exam is designed for IT professionals who want to demonstrate their expertise in enterprise routing and switching. JN0-649 exam is a professional-level certification that validates the knowledge and skills required to plan, configure, and troubleshoot Juniper Networks’ routing and switching platforms. Candidates who pass the exam will have proven their ability to design and implement complex enterprise networks using Juniper’s technologies.

NEW QUESTION 64
You are investigating reports of increased latency and discover that some routes cause customer traffic to traverse a route reflector instead of the optimal path.
Referring to the exhibit, which configuration statement would solve the problem?

set protocols bgp group BGP-HESH import NHS

delete protocols bgp group BGP-MESH peer-as

set policy-option, policy-statement NHS term BGP_ROUTES from external

delete protocol bop group BGP-MESH export NH3

NEW QUESTION 65
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.

NEW QUESTION 66
Referring to the exhibit, how is R1 learning the route from R2?

R2 has interface ge-0/0/2 configured in another area under OSPFv3.

R2 has an export policy with external type 1 configured.

R2 has interface ge-0/0/2 configured as a passive interface under OSPFv3.

R2 has an export policy with external type 2 configured.

NEW QUESTION 67
Which two statements are true regarding bidirectional PIM? (Choose two )

It eliminates the need for an RP.

Devices only store group specific entries.

It uses multicast tunneling to forward traffic

Forwarding paths can be suboptimal

NEW QUESTION 68
You are deploying IP phones in your enterprise network that must receive their power through their Ethernet connection. You are using your EX Series switch’s PoE ports that support IEEE 802.3af.
In this scenario, what is the maximum amount of power allocated to each interface?

10.2 W

15.4 W

30 W

50 W

NEW QUESTION 69
Referring to the exhibit, traffic ingresses on interface ge-0/0/3 and egresses on interface ge-0/0/4.
Which queue does traffic with the IP precedence value of 100 use?

network-control

assured-forwarding

best-effort

expedited-forwarding

NEW QUESTION 70
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.

NEW QUESTION 71
Which three statements are correct about EVPN route types? (Choose three.)

Type 3 routes carry replication information.

Type 2 routes carry endpoint MAC address information.

Type 2 routes carry endpoint IP address information.

Type 5 routes carry replication information.

Type 1 routes carry endpoint MAC address information.

NEW QUESTION 72
You want to provide Layer 2 connectivity between campus sites using Ethernet switches through a metro Ethernet service provider who is using Q-in-Q tagging on their network.
Referring to the exhibit, what are two design considerations in this environment? (Choose two.)

VXLAN could be implemented on your network across this service provider network.

Each campus switch shown must have a C-Tag 300 configured.

L2PT is required on the SP network to support the spanning tree protocol.

Each campus switch shown must have S-Tag 300 configured.

NEW QUESTION 73
Referring to the exhibit, traffic ingresses on interface ge-0/0/3 and egresses on interface ge-0/0/4.
Which queue does traffic with the IP precedence value of 100 use?

network-control

assured-forwarding

best-effort

expedited-forwarding

NEW QUESTION 74
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

NEW QUESTION 75
A BGP network has been designed to provide resiliency and redundancy to a multihomed customer network.
Which two statements are correct in this scenario? (Choose two.)

Both the next hops will be used to forward traffic to R2.

A routing policy will be required to forward traffic to both next hops.

The TTL value of 1 is set to limit the scope of the EBGP session.

The ttl statement must be configured to accommodate peering to a loopback address of a directly connected peer.

NEW QUESTION 76
You are deploying IP phones in your enterprise network that must receive their power through their Ethernet connection. You are using your EX Series switch’s PoE ports that support IEEE
802.3af. In this scenario, what is the maximum amount of power allocated to each interface?

10.2 W

15.4 W

30 W

50 W

NEW QUESTION 77
In OSPF, how does a router ensure that LSAs advertised to a neighboring router are received?

LSA flooding guarantees that all routers will receive them successfully.

LSAs are sent over a TCP connection.

LSAs are acknowledged by the neighboring router.

LSAs are advertised with an acknowledgement bit.

NEW QUESTION 78
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.

NEW QUESTION 79
Referring to the exhibit, which statement is true?

R1 is an ASBR.

R1 has the B bit set.

R1 is a backbone router.

R1 is an ABR.

NEW QUESTION 80
When configuring connectivity to a VoIP enabled phone, which two statements are correct?
(Choose two.)

The telephone device can signal to the switch which VLAN tag it will place on voice traffic.

The switch can signal to the phone device which VLAN tag it should use for voice traffic.

The switch places voice traffic in the expedited forwarding class by default.

The switch places voice traffic in the best-effort forwarding class by default.

NEW QUESTION 81
You are asked to troubleshoot voice quality issues on your newly implement VoIP network. You notice that the voice packets are being dropped. You have verified that the packets are correctly marked for expedited forwarding queue.
Referring to the exhibit, what must you configure to solve the problem?

You must configure a multifield classifier to put the VoIP traffic in the correct queue.

You must configure a rewrite rule to ensure that the traffic is scheduled properly in the device.

You must configure a scheduler to allocate bandwidth to the expedited forwarding queue.

You must configure a policer to ensure that the queue is not being starved.

* Understanding the Problem:
* The issue involves voice packets being dropped in a newly implemented VoIP network.
* Voice packets are marked correctly for the expedited forwarding (EF) queue, indicating that classification is working as intended.
* Dropped packets suggest that there may be insufficient resources allocated to handle the traffic in
* the EF queue.
* Key Concepts:
* Classifiers: These are used to mark packets so that they can be placed into the appropriate forwarding class. This step is already correctly implemented as indicated by the problem statement.
* Rewrite Rules: These ensure that packets retain their markings as they transit the network, but this is not the issue here as packets are already marked correctly.
* Policers: These control the rate of traffic to ensure it does not exceed specified limits, but policing is not required here as the issue is with packet drops due to insufficient resources.
* Schedulers: These allocate resources (bandwidth, priority) to different queues to ensure that high-priority traffic (like VoIP) is transmitted with minimal delay and packet loss.
* Solution: Configuring a Scheduler:
* To prevent the EF queue from being starved of resources and to ensure voice packets are not dropped, you need to configure a scheduler. This scheduler will allocate appropriate bandwidth and priority to the EF queue.
* Configuring Scheduler on Juniper Devices:
* Here is a sample configuration to allocate bandwidth to the expedited forwarding queue:
set class-of-service schedulers voip-scheduler transmit-rate percent 20 set class-of-service schedulers voip-scheduler priority strict-high set class-of-service forwarding-classes queue 1 expedited-forwarding set class-of-service forwarding-classes queue 1 scheduler voip-scheduler
* In this configuration:
* The voip-scheduler is set to allocate 20% of the bandwidth and is given strict-high priority to ensure voice packets are transmitted with the highest priority.
* The EF queue (queue 1) is associated with the voip-scheduler.
* Verification:
* Ensure the scheduler is applied and active on the interfaces handling the VoIP traffic.
* Monitor the interface statistics to ensure that packet drops are minimized and voice quality issues are resolved.
References:
* Juniper Networks Documentation on Class of Service
* Configuring Schedulers

NEW QUESTION 82
Your IS-IS adjacency is not established as shown in the exhibit. What is the problem?

There is an invalid IPv6 router ID

There is an MTU mismatch

There is an invalid IPv4 router ID

There is an area mismatch

NEW QUESTION 83
Referring to the exhibit, anycast RP is implemented to ensure multicast service availability. The source is currently sending multicast traffic using group 239.1.1.1 and R3 is receiving PIM register messages, but R2 does not have active source information.
In this scenario, what are two methods to receive the active source information on R2? (Choose two.)

Configure an RP set in PIM on R1, allowing R1 to forward PIM register messages to R2 and R3 in the set.

Configure an MSDP protocol between R2 and R3.

Configure an RP set in PIM on R2 and R3, allowing the RPs to forward PIM register messages to the other RPs in the set.

Configure an MSDP protocol between R1 and R2.

NEW QUESTION 84
which protocol is a multicast routing protocol?

OSPF

BGP

P1M

IS-IS

NEW QUESTION 85
You recently committed a change to a router to reject OSPF routes sourced from area 10. However, you are still seeing area 10 routes in the routing table.
Referring to the exhibit, which statement is correct?

The OSPF protocol is first matched by find-ospf and accepted.

The routes only timeout after 24 hours.

The routes remain in the table until the device is rebooted.

The routes remain in the table until the routing daemon is restarted.

NEW QUESTION 86
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.

NEW QUESTION 87
A BA classifier, input policer, and a multifield classifier are applied to an interface in which order are these features processed?

policer -> BA classifier -> multifield classifier

BA classifier -> multifield classifier -> policer

multifield classifier -> BA classifier -> policer

policer > multifield classifier -> BA classifier

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