2025 USEFUL JN0-637: TEST SECURITY, PROFESSIONAL (JNCIP-SEC) QUESTIONS VCE

2025 Useful JN0-637: Test Security, Professional (JNCIP-SEC) Questions Vce

2025 Useful JN0-637: Test Security, Professional (JNCIP-SEC) Questions Vce

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Juniper JN0-637 Exam Syllabus Topics:

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

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Juniper Security, Professional (JNCIP-SEC) Sample Questions (Q19-Q24):

NEW QUESTION # 19
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?

  • A. Add a firewall filter to lo0 that permits the BGP packets.
  • B. Add BGP to the lo0 host-inbound-traffic configuration.
  • C. Add the junos-host zone policy to permit the BGP packets.
  • D. Modify the security policy to permit the BGP packets.

Answer: B

Explanation:
Explanation:


NEW QUESTION # 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?

  • A. You must change the global mode to switching mode.
  • B. You must change the global mode to security switching mode.
  • C. You must change the global mode to transparent bridge mode.
  • D. You must change the global mode to security bridging mode

Answer: D


NEW QUESTION # 21
You want to configure a threat prevention policy.
Which three profiles are configurable in this scenario? (Choose three.)

  • A. device profile
  • B. C&C profile
  • C. malware profile
  • D. infected host profile
  • E. SSL proxy profile

Answer: B,C,D


NEW QUESTION # 22
Exhibit:


Referring to the exhibit, which statement is true?

  • A. If SRG1 moves to peer 2, peer 1 will forward packets sent to the SRG1 interfaces.
  • B. SRG1 is configured in hybrid mode.
  • C. If SRG1 moves to peer 2, peer 1 will drop packets sent to the SRG1 interfaces.
  • D. The ICL is encrypted.

Answer: A

Explanation:
The exhibit describes aChassis Clusterconfiguration with high availability (HA) settings. The key information is related toService Redundancy Group 1 (SRG1)and its failover behavior between the two peers.
* Explanation of Answer D (Packet Forwarding after Failover):
* In a typical SRX HA setup withactive/backup configuration, if theSRG1group moves topeer 2 (the backup),peer 1(previously the active node) will forward packets topeer 2instead of dropping them. This ensures smooth failover and seamless continuation of services without packet loss.
* This behavior is part of the active/backup failover process in SRX chassis clusters, where the standby peer takes over traffic processing without disruption.
Juniper Security Reference:
* Chassis Cluster Failover Behavior: When a service redundancy group fails over to the backup peer, the previously active peer forwards traffic to the new active node. Reference: Juniper Chassis Cluster Documentation.


NEW QUESTION # 23
You want to bypass IDP for traffic destined to social media sites using APBR, but it is not working and IDP is dropping the session.
What are two reasons for this problem? (Choose two.)

  • A. IDP disable is not configured on the APBR rule.
  • B. The application services bypass is not configured on the APBR rule.
  • C. The session did not properly reclassify midstream to the correct APBR rule.
  • D. The APBR rule does a match on the first packet.

Answer: B,C

Explanation:
* Explanation of Answer A (Session Reclassification):
* APBR (Advanced Policy-Based Routing) requires the session to be classified based on the specified rule, which can change midstream as additional packets are processed. If the session was already established before the APBR rule took effect, the traffic may not be correctly reclassified to match the new APBR rule, leading to IDP (Intrusion Detection and Prevention) processing instead of being bypassed. This can occur especially when the session was already established before the rule change.
* Explanation of Answer C (Application Services Bypass):
* For APBR to work and bypass the IDP service, the application services bypass must be explicitly configured. Without this configuration, the APBR rule may redirect the traffic, but the IDP service will still inspect and potentially drop the traffic. This is especially important for traffic destined for specific sites like social media platforms where bypassing IDP is desired.
Example configuration for bypassing IDP services:
bash
set security forwarding-options advanced-policy-based-routing profile <profile-name> application-services- bypass Step-by-Step Resolution:
* Reclassify the Session Midstream:
* If the traffic was already being processed before the APBR rule was applied, ensure that the session is reclassified by terminating the current session or ensuring the APBR rule is applied from the start.
Command to clear the session:
bash
clear security flow session destination-prefix <ip-address>
* Configure Application Services Bypass:
* Ensure that the APBR rule includes the application services bypass configuration to properly bypass IDP or any other security services for traffic that should not be inspected.
Example configuration:
bash
set security forwarding-options advanced-policy-based-routing profile <profile-name> application-services- bypass Juniper Security Reference:
* Session Reclassification in APBR: APBR requires reclassification of sessions in real-time to ensure midstream packets are processed by the correct rule. This is crucial when policies change dynamically or new rules are added.
* Application Services Bypass in APBR: This feature ensures that security services such as IDP are bypassed for traffic that matches specific APBR rules. This is essential for applications where performance is a priority and security inspection is not necessary.


NEW QUESTION # 24
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