5. In what way is the difference between the kernel mode and user mode function as a basic principle of operating system protection.
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- Which is the first step in securing an operating system? a. Implement patch management. b. Configure operating system security and settings. c. Perform host software baselining. d. Develop the security policy.This is for operating systems in cmputer science. I got stuck on few questions. Let me know if you need more clairfication. The asnwers are written in regular paragraph text form. For the second question answer it competely and discuss the configuration how the file integrity file influences the configuration of the tool. Let me know if you need more clarification. But the answers can be found by Googling? Questions: 1) Why is logging important? What is its limitation as a security control? What are pros and cons of remote logging (remote access)? 2) What are the advantages and disadvantages of using files integrity checking tool or file integrity monitoring (e.g. trip wire). This is a program which notifies the administrator of any changes to files on a regular basis? Consider issues such as which files you really only want to change rarely, which files may change more often, and which may change often. Discuss how this influences the configuration of the tool, especially as…Which of the following is NOT a reason why supply chain infections areconsidered especially dangerous? a. If the malware is planted in the ROM firmware of the device this can make it difficult or sometimes even impossible to clean an infected device. b. Users are receiving infected devicesat the point of purchase and arecompletely unaware that a brand newdevice may be infected. c. It is virtually impossible to closelymonitor every step in the supply chain. d. Supply chains take advantage of thetrusted “chain of trust” concept.
- Which one of the following statements about the Windows protection ring model is FALSE? It provides a level of access control and granularity. Kernel mode restricts access to all resources. As you move toward the outer bounds of the model, the numbers increase, and the level of trust decreases. It provides the operating system with various levels at which to execute code or restrict its access.Joshua works as a systems administrator. A computer running Windows 2019 Server crashes. However, he is not able to find the root cause of the problem. If the root cause of the problem is processor overload, which of the following should Joshua investigate to troubleshoot the issue? a). The security event log b) The hardware events log c) The applicatoin event log d) The system event log13. (1) The mpstat command can be used to display load averages in the last 1, 5, and 15 minutes. True False (2) The basic tasks of a boot loader is to boot operating systems and to pass boot parameters to the kernel. True False (3) The main advantage of the ______-- back up is that to restore data you would need only two back up files: the first and the last. full hybrid differential incremental
- Principles of Inforamtion Security Which of the following would provide the way to test operating system patches for a wide variety of computers before deployment? A. OS hardening B. Application control C. Virtualization D. Sandboxinginside the OS1. What are the advantages of having both kernel and user modes?2. How is a new process initiated by an operating system?3. What distinguishes an interrupt from a trap?4. Describe three pauses.5. How are process switches different from mode switches?Provide an overview of the security features in macOS, including Gatekeeper, XProtect, and FileVault. Explain how these features contribute to the overall security posture of the operating system.
- Please help 1. Explain how Interrupt increases processor efficiency, whereastoday's computer already has a high clock speed and large memory? 2. Some examples of LINUX Operating Systems, no driver hardware is required. Please explain, what happens if the kernel does not recognize a piece of hardware installed? 3. In the service provided by the Operating System, explain what is meant by the statement “controlled access to files” and give an example. 4. A process execution can be interrupted by "Interrupt" or "Traps".Explain the difference between Interrupt and Trap and give examples for Interrupt and Trap. 5. Please explain how the fork() system call can create new processeswhich can run in parallel. Give an example of a program using systemcall fork() where the parent process creates a new process and creates a hierarchy as illustrated with the image below: ( Each process will display its respective process ID, use the pid() system call)How does the barrier that exists between kernel mode and user mode protect the OS? This is an essential inquiry.In some Windows operating systems, the paging file is a hidden file on the computer’s hard disk and its virtual memory is the combination of the paging file and the system’s physical memory. (This is called pagefile.sys and the default size is equal to 1.5 times the system’s total RAM.) Describe in your own words how you can display the size of the pagefule.sys, and how a virtual memory size that’s too small might affect system performance.