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Most Recent Juniper JN0-335 Exam Questions & Answers


Prepare for the Juniper Security, Specialist exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Juniper JN0-335 exam and achieve success.

The questions for JN0-335 were last updated on Dec 22, 2024.
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Question No. 1

You want to deploy a virtualized SRX in your environment.

In this scenario, why would you use a vSRX instead of a cSRX? (Choose two.)

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Correct Answer: A, C

The vSRX supports both Layer 2 and Layer 3 configurations, while the cSRX is limited to Layer 3 configurations. Additionally, the vSRX has faster boot times, which is advantageous in certain scenarios. The vSRX and cSRX both provide NAT, IPS, and UTM services.


Question No. 2

Exhibit

Which two statements are correct about the configuration shown in the exhibit? (Choose two.)

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Correct Answer: B, C

The configuration shown in the exhibit is for a Juniper SRX Series firewall. The session-init parameter is used to control how the firewall processes unknown traffic flows. With the session-init parameter set to 300, any traffic flows that the firewall does not recognize will be dropped after 300 milliseconds. Additionally, every session that enters the device, whether it is known or unknown, will generate an event, which can be used for logging and troubleshooting purposes. The session-lose parameter is used to control how the firewall handles established sessions that are terminated.


Question No. 3

You are configuring logging for a security policy.

In this scenario, in which two situations would log entries be generated? (Choose two.)

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Correct Answer: B, D

Log entries would be generated in two situations: at session initialization and at session close. At session initialization, the log entry would include details about the connection, such as the source and destination IP addresses, the service being used, and the action taken by the security policy. At session close, the log entry would include details about the connection, such as the duration of the session, the bytes sent/received, and the action taken by the security policy. For more information, you can refer to the Juniper Security documentation athttps://www.juniper.net/documentation/en_US/junos/topics/reference/configuration-statement/security-log-configuration.html.


Question No. 4

You are troubleshooting unexpected issues on your JIMS server due to out of order event log timestamps.

Which action should you take to solve this issue?

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Correct Answer: C

To solve the issue of out of order event log timestamps on your JIMS server, you should enable time synchronization on the domain controllers. JIMS (Juniper Identity Management Service) is a Windows service that collects user, device, and group information from Active Directory domains or syslog sources and provides it to SRX Series devices and CSO for identity-based security policies. JIMS relies on the timestamps of the event logs generated by the domain controllers to track user logins, logouts, and IP address changes. If the domain controllers have different or inaccurate clocks, the event logs may have out of order or incorrect timestamps, which can cause JIMS to miss or misinterpret some events and affect its accuracy and performance. Therefore, you should ensure that all the domain controllers in your network are synchronized with a reliable time source, such as an NTP server or a Windows Time service.Reference:=Juniper Identity Management Service User Guide,Juniper Identity Management Service Feature Guide,Configure JIMS Collector to Get Microsoft Event Logs,Considerations for timestamps in centralized logging platforms


Question No. 5

A client has attempted communication with a known command-and-control server and it has reached the configured threat level threshold.

Which feed will the clients IP address be automatically added to in this situation?

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Correct Answer: D

Infected hosts are internal hosts that have been compromised by malware and are communicating with external C&C servers3.Juniper ATP Cloud provides infected host feeds that list internal IP addresses or subnets of infected hosts along with a threat level3.Once the Juniper ATP Cloud global threshold for an infected host is met, that host is added to the infected host feed and assigned a threat level of 10 by the cloud4.You can also configure your SRX Series device to block traffic from these IP addresses using security policies4.


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