What is correct about the Resource Advisor (RAD) service on the Security Gateways?
A.
RAD is not a separate module, it is an integrated function of the ‘fw’ kernel module and does all operations in the kernel space
B.
RAD functions completely in user space The Pattern Matter (PM) module of the CMI looks up for URLs in the cache and if not found, contact the RAD process in user space to do online categorization
C.
RAD is completely loaded as a kernel module that looks up URL in cache and if not found connects online for categorization There is no user space involvement in this process
D.
RAD has a kernel module that looks up the kernel cache notifies client about hits and misses and forwards a-sync requests to RAD user space module which is responsible for online categorization
The Answer Is:
D
This question includes an explanation.
Explanation:
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
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