2025 JUNIPER JN0-637 MARVELOUS TEST SIMULATOR

2025 Juniper JN0-637 Marvelous Test Simulator

2025 Juniper JN0-637 Marvelous Test Simulator

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Juniper JN0-637 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Layer 2 Security: It covers Layer 2 Security concepts and requires candidates to configure or monitor related scenarios.
Topic 2
  • Logical Systems and Tenant Systems: This topic of the exam explores the concepts and functionalities of logical systems and tenant systems.
Topic 3
  • Advanced Network Address Translation (NAT): This section evaluates networking professionals' expertise in advanced NAT functionalities and their ability to manage complex NAT scenarios.
Topic 4
  • Advanced Policy-Based Routing (APBR): This topic emphasizes on advanced policy-based routing concepts and practical configuration or monitoring tasks.
Topic 5
  • Automated Threat Mitigation: This topic covers Automated Threat Mitigation concepts and emphasizes implementing and managing threat mitigation strategies.
Topic 6
  • 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 7
  • 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.

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Juniper Security, Professional (JNCIP-SEC) Sample Questions (Q94-Q99):

NEW QUESTION # 94
Which role does an SRX Series device play in a DS-Lite deployment?

  • A. STUN client
  • B. Softwire initiator
  • C. STUN server
  • D. Softwire concentrator

Answer: B

Explanation:
In a DS-Lite deployment, the SRX device functions as the softwire initiator, which initiates IPv4-in-IPv6 tunneling to connect IPv4 hosts over an IPv6 infrastructure. For DS-Lite configurations and roles, check Juniper DS-Lite Documentation.
In a DS-Lite (Dual-Stack Lite) deployment, the SRX Series device typically acts as a softwire initiator. DS- Lite is an IPv6 transition technology that allows IPv6-enabled devices to communicate with IPv4 networks.
The softwire initiator is responsible for encapsulating IPv4 packets within an IPv6 header at the customer edge, which is then sent to the softwire concentrator (usually on the service provider's side). Juniper SRX devices can be configured for DS-Lite to support IPv6 clients while communicating with an IPv4 internet via this tunneling mechanism.
To configure DS-Lite on a Juniper SRX device, you'd follow these steps:
* Configure the DS-Lite AFTR (Address Family Transition Router) with the correct IPv6 addressing and routing parameters.
* Enable DS-Lite functionality on the SRX device using Junos OS commands.
* Verify connectivity and ensure that traffic from IPv6 devices is correctly tunneled over IPv4 using tools like ping and traceroute over IPv6.


NEW QUESTION # 95
Exhibit.

Referring to the exhibit, which two statements are true? (Choose two.)

  • A. The custom infected hosts feed will overwrite the Sky ATP infected host's feed.
  • B. Juniper Networks will investigate false positives generated by this custom feed.
  • C. Juniper Networks will not investigate false positives generated by this custom feed.
  • D. The custom infected hosts feed will not overwrite the Sky ATP infected host's feed.

Answer: C,D

Explanation:
Juniper Networks will not investigate false positives generated by this custom feed. - Typically, a vendor like Juniper Networks would not investigate false positives generated by a custom feed because the feed content is controlled by the customer, not Juniper.
The custom infected hosts feed will not overwrite the Sky ATP infected host's feed. - Custom feeds are generally additional to the feeds provided by a vendor's threat intelligence platform like Sky ATP. They are used to supplement the existing threat intelligence and do not overwrite it, but rather work alongside it.


NEW QUESTION # 96
Refer to the Exhibit.

Referring to the exhibit, which three topologies are supported by Policy Enforcer? (Choose three.)

  • A. Topology 3
  • B. Topology 1
  • C. Topology 5
  • D. Topology 4
  • E. Topology 2

Answer: A,B,D

Explanation:
Reference: https://www.juniper.net/documentation/en_US/junos-space17.2/policy- enforcer/topics/concept/policy-enforcer-deployment-supported-topologies.html


NEW QUESTION # 97
You are using trace options to troubleshoot a security policy on your SRX Series device.

Referring to the exhibit, which two statements are true? (Choose two.)

  • A. The SSH traffic matches an existing session.
  • B. The traffic is not destined for the root logical system.
  • C. No entries are created in the SRX session table.
  • D. The security policy controls traffic destined to the SRX device.

Answer: C,D

Explanation:
The trace indicates that no session entry was created, suggesting a policy deny. The security policy affects control plane traffic heading to the SRX, not just transit traffic. Additional guidance can be found in Juniper Traceoptions and Security Policies.
In the trace options output provided, we observe the following details:
* No Entries in Session Table (Correct: Option B):The trace shows a message indicating the packet was dropped with the cause "policy deny-ssh." This means that the SSH traffic was denied by a security policy before a session could be created in the session table. Therefore, no session entries were recorded for this traffic, which aligns with the output where traffic is blocked at the policy evaluation stage.
* Security Policy Controls Traffic to SRX (Correct: Option D):The policy search in the trace log shows the traffic is being denied by a policy, and the destination is the SRX itself (zone junos-host).
This implies that the security policy is controlling inbound traffic to the SRX device's control plane. In this case, SSH traffic was denied by a policy designed to protect the control plane.
Juniper References:
* Juniper Trace Options Documentation: Provides detailed explanation of trace options output and how to interpret policy evaluation and session creation in SRX devices.


NEW QUESTION # 98
You want to deploy two vSRX instances in different public cloud providers to provide redundant security services for your network. Layer 2 connectivity between the two vSRX instances is not possible.
What would you configure on the vSRX instances to accomplish this task?

  • A. Virtual chassis
  • B. Chassis cluster
  • C. Multinode HA
  • D. Secure wire

Answer: C

Explanation:
Explanation:


NEW QUESTION # 99
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