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CheckPoint 156-587 Exam Syllabus Topics:

Topic	Details
Topic 1	Advanced Site-to-Site VPN Troubleshooting: This section of the exam measures the skills of Check Point System Administrators and covers troubleshooting site-to-site VPN connections.
Topic 2	Introduction to Advanced Troubleshooting: This section of the exam measures the skills of Check Point Network Security Engineers and covers the foundational concepts of advanced troubleshooting techniques. It introduces candidates to various methodologies and approaches used to identify and resolve complex issues in network environments.
Topic 3	Advanced Troubleshooting with Logs and Events: This section of the exam measures the skills of Check Point Security Administrators and covers the analysis of logs and events for troubleshooting. Candidates will learn how to interpret log data to identify issues and security threats effectively.
Topic 4	Advanced Client-to-Site VPN Troubleshooting: This section of the exam measures the skills of CheckPoint System Administrators and focuses on troubleshooting client-to-site VPN issues.
Topic 5	Advanced Firewall Kernel Debugging: This section of the exam measures the skills of Check Point Network Security Administrators and focuses on kernel-level debugging for firewalls. Candidates will learn how to analyze kernel logs and troubleshoot firewall-related issues at a deeper level.
Topic 6	Advanced Gateway Troubleshooting: This section of the exam measures the skills of Check Point Network Security Engineers and addresses troubleshooting techniques specific to gateways. It includes methods for diagnosing connectivity issues and optimizing gateway performance.

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CheckPoint Check Point Certified Troubleshooting Expert - R81.20 Sample Questions (Q55-Q60):

NEW QUESTION # 55
During firewall kernel debug with fw ctl zdebug you received less information that expected. You noticed that a lot of messages were lost since the time the debug was started. What should you do to resolve this issue?

A. Redirect debug output to file; Use fw ctl zdebug -o ./debug.elg
B. Increase debug buffer; Use fw ctl zdebug -buf 32768
C. Increase debug buffer; Use fw ctl debug -buf 32768
D. Redirect debug output to file; Use fw ctl debug -o ./debug.elg

Answer: C

NEW QUESTION # 56
When a User Mode process suddenly crashes, it may create a core dump file. Which of the following information is available in the core dump and may be used to identify the root cause of the crash?
i. Program Counter
ii. Stack Pointer
iii. Memory management information
iv. Other Processor and OS flags / information

A. i, ii, iii and iv
B. Only lii
C. i and ii only
D. iii and iv only

Answer: A

Explanation:
A core dump file is essentially a snapshot of the process's memory at the time of the crash. This snapshot includes crucial information that can help diagnose the cause of the crash. Here's why all the options are relevant:
* i. Program Counter: This register stores the address of the next instruction the CPU was supposed to execute. It pinpoints exactly where in the code the crash occurred.
* ii. Stack Pointer: This register points to the top of the call stack, which shows the sequence of function calls that led to the crash. This helps trace the program's execution flow before the crash.
* iii. Memory management information: This includes details about the process's memory allocations, which can reveal issues like memory leaks or invalid memory access attempts.
* iv. Other Processor and OS flags/information: This encompasses various registers and system information that provide context about the state of the processor and operating system at the time of the crash.
By analyzing this information within the core dump, you can often identify the root cause of the crash, such as a segmentation fault, null pointer dereference, or stack overflow.
Check Point Troubleshooting References:
While core dumps are a general concept in operating systems, Check Point's documentation touches upon them in the context of troubleshooting specific processes like fwd (firewall) or cpd (Check Point daemon).
The fw ctl zdebug command, for example, can be used to trigger a core dump of the fwd process for debugging purposes.

NEW QUESTION # 57
Where do you enable log indexing on the SMS?

A. SMS object under "Advanced"
B. SMS object under "Logs"
C. SMS object under "Other"
D. SMS object under "General Properties"

Answer: B

NEW QUESTION # 58
Which of the following is contained in the System Domain of the Postgres database?

A. Trusted GUI clients
B. User modified configurations such as network objects
C. Configuration data of log servers
D. Saved queries for applications

Answer: A

NEW QUESTION # 59
Which Daemon should be debugged for HTTPS inspection related issues?

A. FWD
B. WSTLSD
C. HTTPD
D. VPND

Answer: B

Explanation:
The WSTLSD daemon is responsible for handling HTTPS Inspection related issues on the Security Gateway. It performs SSL/TLS termination and re-encryption, certificate validation and generation, and URL categorization for HTTPS traffic1. The WSTLSD daemon can be debugged using the command wstlsd debug on TDERROR_ALL_ALL=52. The debug file is located in $FWDIR/log/wstlsd.elg2. The other daemons, such as FWD, HTTPD, and VPND, are not directly related to HTTPS Inspection, but rather to policy installation, web server, and VPN, respectively. Reference: 1: sk65144: HTTPS Inspection Architecture 2: sk83520: How to debug the WSTLSD daemon

NEW QUESTION # 60
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