Checkpoint Updated 156-587 Exam Questions and Answers by steven

Usermode core files are generated when a user mode process crashes. They are located in the $CPDIR/var/log/dump/usermode directory on the Security Gateway or Security Management server. The core files can be used to analyze the cause of the crash and troubleshoot the issue. The core files are named according to the process name, date, and time of the crash. For example, cpd_2023_02_03_16_40_55.core is a core file for the cpd process that crashed on February 3, 2023 at 16:40:55

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

 The top command is a Linux command that displays information about resource utilization for running processes and shows additional information for core utilization and memory. The top command provides a dynamic real-time view of the system, showing the processes that are consuming the most CPU, memory, and other resources. The top command also shows the total number of processes, the system load average, the uptime, and the CPU usage by user, system, andidle. The top command can be customized by using various options and interactive commands to change the display, sort the processes, filter the output, and kill processes.

The other commands are incorrect because:

B. vmstat is a Linux command that displays information about the virtual memory, CPU, disk, and system activity. It does not show information about individual processes or core utilization.

C. cptop is a Check Point command that displays information about the firewall kernel activity, such as the number of connections, packets, drops, and rejects. It does not show information about other processes or memory usage.

D. mpstat is a Linux command that displays information about the CPU utilization by each processor or core. It does not show information about processes or memory usage.