Free and Premium Checkpoint 156-587 Dumps Questions Answers

If you have modified kernel parameters (infwkern.conf, for example) and the gateway starts dropping traffic or behaving abnormally after a reboot, the best practice is to restore the original or a known-good configuration from backup. Then, reboot again so that the gateway loads the last known stable settings.

Option A(fw ctl set int fw1_kernel_all_disable=1) is not a standard or documented method for “undoing” all kernel tweaks.

Option B(Restore fwkem.conf from backup and reboot the gateway) is the correct and straightforward approach.

Option C(fw unloadlocal) removes the local policy but does not revert custom kernel parameters that have already been loaded at boot.

Option D(Remove all kernel parameters from fwkem.conf and reboot) might help in some cases, but you risk losing other beneficial or necessary parameters if there were legitimate custom settings. Restoring from a known-good backup is safer and more precise.

Hence, the best answer:“Restore fwkem.conf from backup and reboot the gateway.”

Check Point Troubleshooting References

sk98339– Working with fwkern.conf (kernel parameters) in Gaia OS.

sk92739– Advanced System Tuning in Gaia OS.

Check Point Gaia Administration Guide– Section on kernel parameters and system tuning.

Check Point CLI Reference Guide– Explanation of using fw ctl, fw unloadlocal, and relevant troubleshooting commands.

When a user space process crashes unexpectedly, the operating system often creates acore dumpfile. This file is a snapshot of the process's memory at the time of the crash, including information such as:

Program counter:This indicates where the program was executing when it crashed.

Stack pointer:This shows the function call stack, which can help trace the sequence of events leading to the crash.

Memory contents:This includes the values of variables and data structures used by the process.

Register values:This shows the state of the processor registers at the time of the crash.

Core dump files can be analyzed using debuggers like GDB to understand the cause of the crash.

Why other options are incorrect:

B. kernel_memory_dump dbg:This refers to a kernel memory dump, which is generated when the operating system kernel itself crashes.

C. core analyzer:This is a tool used to analyze core dump files, not the file itself.

D. coredebug:This is not a standard term for any type of crash dump file.

Check Point Troubleshooting References:

Check Point's documentation mentions core dumps in the context of troubleshooting various processes, such as fwd (firewall) and cpd (Check Point daemon). You can find information on enabling core dumps and analyzing them in the Check Point administration guides and knowledge base articles.

To troubleshoot Identity Awareness issues related to user identification and Access Role application, you need to enable debugging for both Identity Collectors (IDC) and Identity Providers (IDP). The command pdp debug set IDC all IDP all on the gateway achieves this.

Here's why this is the correct answer and why the others are not:

A. on the gateway: pdp debug set IDC all IDP all:This correctly enables debugging for all Identity Collectors and Identity Providers, allowing you to see detailed logs and messages related to user identification and Access Role assignment. This helps pinpoint issues with user mapping, authentication, or authorization.

B. on the gateway: pdp debug set AD all and IDC all:This command only enables debugging for Active Directory (AD) as an Identity Provider and all Identity Collectors. It might miss issues related to other Identity Providers if they are in use.

C. on the management: pdp debug on IDC all:This command has two issues. First, it should be executed on the gateway, not the management server, as the gateway is responsible for user identification and policy enforcement. Second, it only enables debugging for Identity Collectors, not Identity Providers.

D. on the management: pdp debug set all:While this command might seem to enable debugging for everything, it's not specific enough for Identity Awareness troubleshooting. It might generate excessive logs unrelated to the issue and make it harder to find the relevant information.

Check Point Troubleshooting References:

Check Point Identity Awareness Administration Guide:This guide provides detailed information about Identity Awareness components, configuration, and troubleshooting.

Check Point sk113963:This article explains how to troubleshoot Identity Awareness issues using debug commands and logs.

Check Point R81.20 Security Administration Guide:This guide covers general troubleshooting and debugging techniques, including the use of pdp debug commands.

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.

To see the list of processes monitored by the WatchDog process (CPWD), you use thecpwd_admin listcommand.

Option A (cpstat fw -f watchdog): Shows firewall status and statistics for the "fw" context, not necessarily the list of monitored processes.

Option B (fw ctl get str watchdog): Not a valid parameter for retrieving the list of monitored processes; “fw ctl” deals with kernel parameters.

Option C (cpwd_admin list): Correct command that lists all processes monitored by CPWD, their status, and how many times they have been restarted.

Option D (ps -ef | grep watchd): This will list any running process that matches the string “watchd” but will not specifically detail which processes are being monitored by CPWD.

Therefore, the best answer iscpwd_admin list.

Check Point Troubleshooting References

sk97638: Explains Check Point WatchDog (CPWD) usage and the cpwd_admin utility.

R81.20 CLI Reference Guide: Describes common troubleshooting commands including cpwd_admin list.

Check Point Gaia Administration Guide: Provides instructions for monitoring system processes and verifying CPWD.

The Resource Advisor (RAD) service on the Security Gateways is responsible for online categorization of URLs and resources for Application Control and Threat Prevention blades. RAD has two components: a kernel module and a user space module. The kernel module looks up the kernel cache for URLs and resources, notifies the client about hits and misses, and forwards asynchronous requests to the user space module. The user space module handles the communication with the Check Point online web service and updates the kernel cache with the results. RAD can operate in three modes: hold, background, and custom, depending on the configuration of the blades and the policy. References:

Check Point Processes and Daemons - Section: Security Gateway Software Blades and Features - Subsection: URL Filtering Blade

Solved: Re: RAD’s high utilization - Post by @PhoneBoy

Check Point Certified Troubleshooting Expert (CCTE) - Exam Topics - Module 5: Advanced Access Control

CMI stands for Context Management Infrastructure, which is a component of the Access Control Policy that enables the Security Gateway to inspect traffic based on the context of the connection. Context includes information such as user identity, application, location, time, and device. CMI allows the Security Gateway to apply different security rules and actions based on the context of the traffic, and to dynamically update the context as it changes. CMI consists of three main elements: Unified Policy, Identity Awareness, and Content Awareness. 

 The CpmiHostCkp table in the Postgres database contains the data for CPMI objects, such as gateways, clusters, and servers. The table column that should be selected to query for the object instance is the objid column, which is the primary key of the table and uniquely identifies each object. The objid column can be used to join with other tables that reference CPMI objects, such as CpmiClusterMember, CpmiCluster, and CpmiServer. The objid column can also be used to retrieve the object name, IP address, type, and other attributes from the CpmiHostCkp table itself. References:

Check Point Database Tool (GuiDBedit Tool) - Section: How to use the Check Point Database Tool (GuiDBedit Tool) - Subsection: How to view the data in the database

Check Point Certified Troubleshooting Expert (CCTE) - Exam Topics - Module 6: Advanced Management Server Troubleshooting

[Check Point R81 Database Schema] - Section: CPMI Tables - Subsection: CpmiHostCkp Table