Latest [Mar 08, 2026] Realistic Verified JN0-637 Dumps [Q16-Q38]

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Latest [Mar 08, 2026] Realistic Verified JN0-637 Dumps

Pass Juniper JN0-637 Exam Updated 125 Questions

NO.16 Exhibit

Referring to the exhibit, an internal host is sending traffic to an Internet host using the 203.0.113.1 reflexive address with source port 54311.
Which statement is correct in this situation?

Only the Internet host that the internal host originally communicated with can initiate traffic to reach the internal host using the 203.0.113.1 address, source port 54311, and a random destination port.

Only the Internet host that the internal host originally communicated with can initiate traffic to reach the internal host using the 203.0 113.1 address, a random source port, and destination port 54311.

Any host on the Internet can initiate traffic to reach the internal host using the 203.0.113.1 address, source port 54311, and a random destination port.

Any host on the Internet can initiate traffic to reach the internal host using the 203.0.113.1 address, a random source port, and destination port54311.

NO.17 Exhibit:

You are troubleshooting a new IPsec VPN that is configured between your corporate office and the RemoteSite1 SRX Series device. The VPN is not currently establishing. The RemoteSite1 device is being assigned an IP address on its gateway interface using DHCP.
Which action will solve this problem?

On the RemoteSite1 device, change the IKE gateway external interface to st0.0.

On both devices, change the IKE version to use version 2 only.

On both devices, change the IKE policy proposal set to basic.

On both devices, change the IKE policy mode to aggressive.

NO.18 What is the advantage of using separate st0 logical units for each spoke connection?

It is easy to configure even when managing many st0 units.

It facilitates scalability.

Junos devices can exchange NHTB data automatically using this method.

It enables assignments of different settings to each logical unit.

NO.19 How does an SRX Series device examine exception traffic?

The device examines the host-inbound traffic for the ingress interface and zone.

The device examines the host-outbound traffic for the ingress interface and zone.

The device examines the host-inbound traffic for the egress interface and zone.

The device examines the host-outbound traffic for the egress interface and zone.

NO.20 Exhibit

You have configured the SRX Series device to switch packets for multiple directly connected hosts that are within the same broadcast domain However, the traffic between two hosts in the same broadcast domain are not matching any security policies Referring to the exhibit, what should you do to solve this problem?

You must change the global mode to security switching mode.

You must change the global mode to security bridging mode

You must change the global mode to transparent bridge mode.

You must change the global mode to switching mode.

NO.21 You are asked to see if your persistent NAT binding table is exhausted. Which show command would you use to accomplish this task?

show security nat source persistent-nat-table summary

show security nat source summary

show security nat source pool all

show security nat source persistent-nat-table all

NO.22 Which role does an SRX Series device play in a DS-Lite deployment?

Softwire concentrator

STUN server

STUN client

Softwire initiator

NO.23 You are deploying IPsec VPNs to securely connect several enterprise sites with ospf for dynamic routing. Some of these sites are secured by third-party devices not running Junos.
Which two statements are true for this deployment? (Choose two.)

OSPF over IPsec can be used for intersite dynamic routing.

Sites with overlapping address spaces can be supported.

OSPF over GRE over IPsec is required to enable intersite dynamic routing

Sites with overlapping address spaces cannot be supported.

NO.24 You want to use a security profile to limit the system resources allocated to user logical systems.
In this scenario, which two statements are true? (Choose two.)

If nothing is specified for a resource, a default reserved resource is set for a specific logical system.

If you do not specify anything for a resource, no resource is reserved for a specific logical system, but the entire system can compete for resources up to the maximum available.

One security profile can only be applied to one logical system.

One security profile can be applied to multiple logical systems.

NO.25 You have deployed two SRX Series devices in an active/passive multimode HA scenario.
In this scenario, which two statements are correct? (Choose two.)

Services redundancy group 1 (SRG1) is used for services that do not have a control plane state.

Services redundancy group 0 (SRG0) is used for services that have a control plane state.

Services redundancy group 0 (SRG0) is used for services that do not have a control plane state.

Services redundancy group 1 (SRG1) is used for services that have a control plane state.

NO.26 In a multinode HA environment, which service must be configured to synchronize between nodes?

Advanced policy-based routing

PKI certificates

IPsec VPN

IDP

NO.27 You are asked to deploy Juniper atp appliance in your network. You must ensure that incidents and alerts are sent to your SIEM.
In this scenario, which logging output format is supported?

WELF

JSON

CEF

binay

NO.28 Which two statements are correct about the ICL in an active/active mode multinode HA environment?
(Choose two.)

The ICL is strictly a Layer 2 interface.

The ICL uses a separate routing instance to communicate with remote multinode HA peers.

The ICL traffic can be encrypted.

The ICL is the local device management interface in a multinode HA environment.

NO.29 You are asked to select a product offered by Juniper Networks that can collect and assimilate data from all probes and determine the optimal links for different applications to maximize the full potential of AppQoE.
Which product provides this capability?

Mist

Network Director

Security Director

Security Director Insights

NO.30 You are attempting to ping an interface on your SRX Series device, but the ping is unsuccessful.
What are three reasons for this behavior? (Choose three.)

The interface is not assigned to a security zone.

The interface’s host-inbound-traffic security zone configuration does not permit ping

The ping traffic is matching a firewall filter.

The device has J-Web enabled.

The interface has multiple logical units configured.

NO.31 You are asked to configure tenant systems.
Which two statements are true in this scenario? (Choose two.)

A tenant system can have only one administrator.

After successful configuration, the changes are merged into the primary database for each tenant system.

Tenant systems have their own configuration database.

You can commit multiple tenant systems at a time.

NO.32 You are asked to select a product offered by Juniper Networks that can collect and assimilate data from all probes and determine the optimal links for different applications to maximize the full potential of AppQoE.
Which product provides this capability?

Security Director

Network Director

Mist

Security Director Insights

NO.33 What are three core components for enabling advanced policy-based routing? (Choose three.)

Filter-based forwarding

Routing options

Routing instance

APBR profile

Policies

NO.34 Which encapsulation type must be configured on the lt-0/0/0 logical units for an interconnect logical systems VPLS switch?

encapsulation ethernet-bridge

encapsulation ethernet

encapsulation ethernet-vpls

encapsulation vlan-vpls

NO.35 You are enabling advanced policy-based routing. You have configured a static route that has a next hop from the inet.0 routing table. Unfortunately, this static route is not active in your routing instance.
In this scenario, which solution is needed to use this next hop?

Use RIB groups.

Use filter-based forwarding.

Use transparent mode.

Use policies.

NO.36 You are experiencing problem with your ADVPN tunnels getting established. The tunnel and egress interface are located in different zone. What are two reasons for these problems? (Choose two.)

IKE is not an allowed protocol in the external interfaces’ security zone.

IKE is not an allowed protocol in the tunnel endpoints’ security zone.

OSPF is not an allowed protocol in the tunnel endpoints’ security zone.

BGP is not an allowed protocol in the tunnel endpoints’ security zone.

NO.37 You are asked to establish IBGP between two nodes, but the session is not established. To troubleshoot this problem, you configured trace options to monitor BGP protocol message exchanges.

Referring to the exhibit, which action would solve the problem?

Add the junos-host zone policy to permit the BGP packets.

Add a firewall filter to lo0 that permits the BGP packets.

Modify the security policy to permit the BGP packets.

Add BGP to the lo0 host-inbound-traffic configuration.

NO.38 Exhibit:

You have deployed an SRX Series device as shown in the exhibit. The devices in the Local zone have recently been added, but their SRX interfaces have not been configured. You must configure the SRX to meet the following requirements:
* Devices in the 10.1.1.0/24 network can communicate with other devices in the same network but not with other networks or the SRX.
* You must be able to apply security policies to traffic flows between devices in the Local zone.
Which three configuration elements will be required as part of your configuration? (Choose three.)

set security zones security-zone Local interfaces ge-0/0/1.0

set interfaces ge-0/0/1 unit 0 family ethernet-switching vlan-members 10

set protocols l2-learning global-mode switching

set protocols l2-learning global-mode transparent-bridge

set security zones security-zone Local interfaces irb.10

Juniper JN0-637 Exam Syllabus Topics:

Topic	Details
Topic 1	Troubleshooting Security Policies and Security Zones: This topic assesses the skills of networking professionals in troubleshooting and monitoring security policies and zones using tools like logging and tracing.
Topic 2	Advanced Network Address Translation (NAT): This section evaluates networking professionals’ expertise in advanced NAT functionalities and their ability to manage complex NAT scenarios.
Topic 3	Advanced IPsec VPNs: Focusing on networking professionals, this part covers advanced IPsec VPN concepts and requires candidates to demonstrate their skills in real-world applications.
Topic 4	Advanced Policy-Based Routing (APBR): This topic emphasizes on advanced policy-based routing concepts and practical configuration or monitoring tasks.
Topic 5	Multinode High Availability (HA): In this topic, aspiring networking professionals get knowledge about multinode HA concepts. To pass the exam, candidates must learn to configure or monitor HA systems.
Topic 6	Logical Systems and Tenant Systems: This topic of the exam explores the concepts and functionalities of logical systems and tenant systems.
Topic 7	Automated Threat Mitigation: This topic covers Automated Threat Mitigation concepts and emphasizes implementing and managing threat mitigation strategies.

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Juniper JN0-637 Exam Syllabus Topics:

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