Get 2026 Free Juniper JN0-351 Exam Practice Materials Collection [Q69-Q87]

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Get 2026 Free Juniper JN0-351 Exam Practice Materials Collection

Get Latest and 100% Accurate JN0-351 Exam Questions

Juniper JN0-351 Exam Syllabus Topics:

Topic	Details
Topic 1	Spanning Tree: Networking professionals explore the principles and advantages of the Spanning Tree Protocol (STP) to ensure loop-free topologies in Layer 2 networks.
Topic 2	Protocol Independent Routing: An essential domain for understanding routing components outside protocol dependencies, this topic enhances expertise in configuring, monitoring, and troubleshooting critical elements.
Topic 3	BGP: This topic focuses on the operational and conceptual elements of BGP, a cornerstone in enterprise networks.
Topic 4	OSPF: The concepts and operational details of OSPF are explored, providing tools for routing efficiency. Configuration and troubleshooting mastery ensure readiness for both the exam and complex enterprise environments.

NO.69 You want to verify prefix information being sent from 10.36.1.4.
Which two statements are correct about the output shown in the exhibit? (Choose two.)

The routes displayed have traversed one or more autonomous systems.

The output shows routes that were received prior to the application of any BGP import policies.

The output shows routes that are active and rejected by an import policy.

The routes displayed are being learned from an I BGP peer.

NO.70 You are configuring an IS-IS IGP network and do not see the IS-IS adjacencies established. In this scenario, what are two reasons for this problem? (Choose two.)

MTU is not at least 1492 bytes.

IP subnets are not a /30 address.

The Level 2 routers have mismatched areas.

The lo0 interface is not included as an IS-IS interface.

NO.71 You are troubleshooting a BGP routing issue between your network and a customer router and are reviewing the BGP routing policies. Which two statements are correct in this scenario? (Choose two.)

Export policies are applied to routes in the RIB-ln table.

Import policies are applied to routes in the RIB-Local table.

Import policies are applied after the RIB-ln table.

Export policies are applied after the RIB-Local table.

NO.72 You enable persistent MAC learning on your Juniper switch. In this scenario, which statement is correct?

You can enable persistent MAC learning on an interface where MAC learning is disabled.

You can only enable persistent MAC learning on an interface on which 802.1x authentication is configured.

You can enable persistent MAC learning on an interface that is part of a redundant trunk group.

You can only enable persistent MAC learning on an interface in access mode.

NO.73 You are receiving multiple BGP routes from an upstream neighbor and only want to advertise a single summarized prefix to your internal OSPF neighbors. This route should only be advertised when you are receiving these BGP routes from this neighbor.
In this scenario, which type of route should you create?

aggregate route

static route using the resolve feature

generate route

static route using qualified next hops

NO.74 Referring to the exhibit, which statement is correct?

The local device is using a bridge priority of 4k.

The root bridge is using a bridge priority of 4k.

The root bridge has not been elected for this RSTP topology.

The local device is the root bridge for this RSTP topology.

NO.75 Which statement is correct about graceful Routing Engine switchover (GRES)?

The PFE restarts and the kernel and interface information is lost.

GRES has a helper mode and a restarting mode.

When combined with NSR, routing is preserved and the new master RE does not restart rpd.

With no other high availability features enabled, routing is preserved and the new master RE does not restart rpd.

NO.76 Which command solves the error that you see in the exhibit?

delete ge-0/0/2 unit 0 family ethernet-switching vlan members default

set ge-0/0/2 unit 0 family ethernet-switching vlan members [default v11]

delete ge-0/0/2 unit 0 family ethernet-switching vlan members all

set ge-0/0/2 unit 0 family ethernet-switching vlan members all

NO.77 Two routers share the same highest priority and start time.

In this situation, what is evaluated next when determining the designated router? The router with the lowest router ID become the DR.

The router with the highest router ID becomes the DR

The routers perform another DR election.

The router with the highest MAC address become the DR

NO.78 You are a network operator troubleshooting BGP connectivity.
Which two statements are correct about the output shown in the exhibit? (Choose two.)

Peer 10.32.1.2 is configured for AS 63645.

The BGP session is not established.

The R1 is configured for AS 65400.

The routers are exchanging IPv4 routes.

NO.79 You are using tunnels in your network. It is important that the routes be specific enough to ensure that the tunnels are established. You need to prevent a route that is new to the network from being used. In this scenario, which type of route should be used?

multicast

aggregate

static

anycast

NO.80 Exhibit

Referring to the exhibit, which two configuration changes must you apply for packets to reach from R1 to R3 using IS-IS? (Choose two.)

On R1, enable Level 1 on the ge-0/0/1 interface.

On R3 disable Level 2 on the ge-0/0/4 interface.

On R1, disable Level 2 on the ge-0/0/1 interface.

On R3 enable Level 1 on the ge-0/0/4 interface

NO.81 Referring to the exhibit, which router will become the OSPF BDR if all routers are powered on at the same time?

NO.82 You want to prevent rogue BPDUs from lab devices reaching the internal through the Lab_Switch device.

Referring to the exhibit, what should be done to accomplish this task?

Configure the three lab ports as edge ports

Configure an input filter on interface xe-0/2/0 to discard the RSTP packets

Configure the three lab ports under the protocols layer2-control bpdu-block hierarchy on the switch

Configure protocols rstp with the bpdu-block-on-edge parameter for interface xe-0/2/0

NO.83 You are troubleshooting an issue where traffic to 192.168.10.0/24 is being sent to R1 instead of your desired path through R2.
Referring to the exhibit, what is the reason for the problem?

R2’s route is not the best path due to loop prevention.

R2’s route is not the best path due to a lower origin code.

R1’s route is the best path due to a higher local preference

R1’s route is the best path due to the shorter AS path.

NO.84 You have DHCP snooping enabled but no entries are automatically created in the snooping database for an interface on your EX Series switch. What are two reasons for the problem?
(Choose two.)

The device that is connected to the interface has performed a DHCPRELEASE.

MAC limiting is enabled on the interface.

The device that is connected to the interface has a static IP address.

Dynamic ARP inspection is enabled on the interface.

NO.85 You have two OSPF routers that will not form an adjacency. You enter the show log trace- ospfcommand.
Referring to the exhibit, which statement is correct?