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Title: 100% Free JN0-637¨C100% Free Test Guide | Efficient Security, Professional (JNCIP [Print This Page]
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Title: 100% Free JN0-637¨C100% Free Test Guide | Efficient Security, Professional (JNCIP
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Juniper JN0-637 Exam Syllabus Topics:
TopicDetails
Topic 1
  • Logical Systems and Tenant Systems: This topic of the exam explores the concepts and functionalities of logical systems and tenant systems.
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
  • 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 4
  • Automated Threat Mitigation: This topic covers Automated Threat Mitigation concepts and emphasizes implementing and managing threat mitigation strategies.
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
  • Advanced Policy-Based Routing (APBR): This topic emphasizes on advanced policy-based routing concepts and practical configuration or monitoring tasks.
Topic 7
  • Layer 2 Security: It covers Layer 2 Security concepts and requires candidates to configure or monitor related scenarios.

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Juniper Security, Professional (JNCIP-SEC) Sample Questions (Q69-Q74):NEW QUESTION # 69
You are deploying threat remediation to endpoints connected through third-party devices.
In this scenario, which three statements are correct? (Choose three.)
Answer: B,C,D
Explanation:
For threat remediation in a third-party network, the RADIUS protocol is necessary to communicate with the RADIUS server for details about infected hosts. CoA enables security measures to be enforced based on endpoint information provided by the RADIUS server. Details on this setup can be found in Juniper RADIUS and AAA Documentation.
When deploying threat remediation to endpoints connected through third-party devices, such as switches, the following conditions must be met for proper integration and functioning:
* Explanation of Answer A (Support for AAA/RADIUS and Dynamic Authorization Extensions):
* Third-party switches must supportAAA (Authentication, Authorization, and Accounting)and RADIUSwithDynamic Authorization Extensions. These extensions allow dynamic updates to be made to a session's authorization parameters, which are essential for enforcing access control based on threat detection.
* Explanation of Answer B (Connector Gathers MAC Information via API):
* Theconnectoruses an API to gather MAC address information from theRADIUS server. This MAC address data is necessary to identify and take action on infected hosts or endpoints.
* Explanation of Answer D (Connector Initiates CoA):
* Theconnectorqueries the RADIUS server for infected host details and triggers aChange of Authorization (CoA)for the infected host. The CoA allows the connector to dynamically alter the host's access permissions or isolate the infected host based on its threat status.
Juniper Security Reference:
* Threat Remediation via RADIUS: Dynamic remediation actions, such as CoA, can be taken based on information received from the RADIUS server regarding infected hosts. Reference: Juniper RADIUS and CoA Documentation.

NEW QUESTION # 70
What is the advantage of using separate st0 logical units for each spoke connection?
Answer: D
Explanation:
Using separatest0 logical unitsfor each spoke connection in a hub-and-spoke VPN topology is advantageous for scalability. Here's why:
* Facilitates Scalability (Correct: Option B):By using separatest0logical units for each spoke, you can easily scale the number of spokes without disrupting the overall configuration. Each spoke gets its own dedicated logical unit, making it easier to manage individual VPN tunnels as the network grows. This approach provides clear separation of traffic, simplifying troubleshooting and configuration management, especially in large hub-and-spoke networks.
* Incorrect Options:
* Option A: While separate logical units make configuration management easier, scalability is the primary advantage.
* Option C: NHTB (Next-Hop Tunnel Binding) data exchange does not inherently depend on the use of separate logical units.
* Option D: While you can assign different settings to each logical unit, the main advantage remains scalability, especially when managing numerous VPN connections.
Juniper References:
* Juniper IPsec VPN Documentation: Describes how using separate logical units facilitates scalability and is a best practice for large-scale hub-and-spoke VPN deployments.

NEW QUESTION # 71
You are configuring an interconnect logical system that is configured as a VPLS switch to allow two logical systems to communicate.
Which two parameters are required when configuring the logical tunnel interfaces? (Choose two.)
Answer: A,D

NEW QUESTION # 72
Referring to the exhibit,

which two statements are correct about the NAT configuration? (Choose two.)
Answer: C,D
Explanation:
The NAT setup allows only specific external hosts to reach the internal network post-initial session, providing controlled access. Reflexive NAT preserves the source port from the original request, maintaining continuity.
More on this can be found in Juniper NAT Configuration Documentation.
Looking at the NAT configuration, we observe the use ofpersistent NATwith the keywordpermit target-host
. Here's a detailed breakdown:
* Persistent NAT (Correct: Option B):Whenpersistent NATis configured with thepermit target-host option, it allows the internal host (from the 172.16.1.0/24 network) to initiate communication with an external host. After the initial session is established, only the specific external host (target host) is allowed to initiate subsequent sessions to the internal host using the reflexive address. This ensures that random external hosts cannot initiate sessions, which enhances security.
* Original Destination Port Reuse (Correct: Option D):In this configuration, theinterface-based source NATuses the original destination port of the incoming session as the source port for the outbound session. This maintains port transparency for NATed traffic, which can be crucial for certain types of applications that depend on consistent port numbers.
* Incorrect Options:
* Option Ais incorrect because persistent NAT with target-host does not allow both internal and external hosts to initiate sessions freely. Only the specific external hostcan initiate a session after the initial session is established by the internal host.
* Option Cis incorrect because only the specific external host can initiate subsequent sessions, not any random external host.
Juniper References:
* Juniper NAT Documentation: Describes the behavior of persistent NAT and how target-host restrictions work for enhanced security.

NEW QUESTION # 73
You have deployed automated threat mitigation using Security Director with Policy Enforcer, Juniper ATP Cloud, SRX Series devices, Forescout, and third-party switches.
In this scenario, which device is responsible for communicating directly to the third-party switches when infected hosts need to be blocked?
Answer: A
Explanation:
Policy Enforcer receives these policies and translates them into device-specific commands. It then communicates with the third-party switches (using protocols like SNMP, RADIUS, or vendor-specific APIs) to enforce those commands, such as blocking the infected hosts' MAC addresses or port access.
Why Policy Enforcer is the Right Choice:
* Centralized Enforcement: Policy Enforcer acts as the central point of enforcement for Security Director policies, ensuring consistent security across the network.
* Multi-Vendor Support: It can interact with a wide range of network devices, including switches from different vendors.
* Automation: Policy Enforcer automates the policy enforcement process, enabling rapid response to threats.

NEW QUESTION # 74
......
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