A+ Guide To It Technical Support
10th Edition
ISBN: 9780357108291
Author: ANDREWS, Jean.
Publisher: Cengage,
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Chapter 14, Problem 17TC
Explanation of Solution
Given: An unwanted
To find: The most and least appropriate step that should be taken when an unwanted program is launched at startup.
Solution:
The most appropriate step would be to find the source of the program and remove it...
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To stop a process, we can use TASKKILL or WMIC, and we should always use Process ID (PID) as the filtering option since PID is always the same for processes. For example, Notepad.exe always has the PID 13689.
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True
False
b. Fill out all cells for the access control matrix if the system uses Low-
Water Mark policy after the administrator reads the "Temporal File”.
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can someone help me with :
Description of environment concepts
Description of i/o redirection
Description of the process concept, and the differences between background and foreground execution
A description of the follwowing operations and commands :
cd- change the current default directory to. If theargument is not present, report the current directory. If the directory does not exist an appropriate error should be reported. This command should also change the PWD environment variable.
clr - clear the screen.
dir- list the contents of directory
environ - list all the environment strings
echo - display on the display followed by a new line (multiple spaces/tabs may be reduced to a single space)
help - display the user manual using the more filter
pause - pause operation of the shell until 'Enter' is pressed
quit - quit the shell
Chapter 14 Solutions
A+ Guide To It Technical Support
Ch. 14 - A user complains that her computer is performing...Ch. 14 - Prob. 2TCCh. 14 - Prob. 3TCCh. 14 - You are troubleshooting an application problem and...Ch. 14 - When a user, Belinda Lim, signs in to Windows, she...Ch. 14 - Prob. 6TCCh. 14 - Prob. 7TCCh. 14 - Prob. 8TCCh. 14 - When Windows first starts and the user signs in, a...Ch. 14 - Prob. 10TC
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- please doarrow_forwardNavigate to your home directory. Create a directory named Module14. Navigate to Module14. Write a program using the language of your choice that we've studied in class (such as a C-program, PERL, or bash shell script). Using one of the scheduling techniques, schedule the program to run at this point in time plus 2 hours. Prove that the process has been scheduled. Prove that the process executed. Logout. in fedora 37 explain each code and take screenshotsarrow_forwardThe Nevercrash Operating System Company has been receiving complaints from some of its customers about its latest release, which includes semaphore operations. They feel it is immoral for processes to block (they call it "sleeping on the job"). Since it is company policy to give the customers what they want, it has been proposed to add a third operation, peek, to supplement up and down. peek simply examines the semaphore without changing it or blocking the process. In this way, programs that feel it is immoral to block can first inspect the semaphore to see if it is safe to do a down. Will this idea work if three or more processes use the semaphore? If two processes use the semaphore?arrow_forward
- The copywriter for the Marketing Department works on a Windows 10 PC that often crashes. An error message displays when the copywriter attempts to open specific files. Using the files for a new catalogue is causing him concern. a. Outline the actions necessary to repair these files. D: is where the files are, while C: is where Windows is.arrow_forwardIn the context of software updates, what is the difference between a "splitstream upgrade," "patch," "release," and "version"?arrow_forwardLet's play out the following scenario: Now you have software installation code that can be run on Windows machines. Which kind of malicious software would it be if the executable code was altered both before and after installation? Justify your reasoning.arrow_forward
- 4) For this task you need a Windows based PC. Install Malwarebytes’ Anti-Malware (locate it on the internet) and run the “Perform quick scan” on your machine. Answer: show run 4-a) Did it find any questionable items? Answer: show any questionable items and discuss. 4-b) How many Objects did it scan and how much Time elapsed? Answer.arrow_forwardYou must locate a procedure for which you only know a portion of the name.The Issue: You "sort of" know the name of the process you're looking for. Because of the highly inconsistent naming convention of the procedures in the Windows API, this is a frequent problem for Microsoft Windows programmers. No superior are UNIX programmers. Only the inconsistency in naming conversions is constant; the only issue is that UNIX enjoys leaving letters out of system call names. (for example, creat).arrow_forwardWhen a particular computer is booted up,one of the early screens shows a menu with two choices:an "ordinary" version of some Linux variant,and an "advanced" version of the same Linux variant. After 10 seconds, the "ordinary" version is started if no user action has occurred. Name the type of process that produces the screen described above,the most likely actual process of that type,and briefly explain what it does.arrow_forward
- A technique of temporarily removing in-active programs from the memory of a computer system is: A Swapping. B Spooling. C Semaphore. D Scheduler.arrow_forwardProcess States: Select all of the following statements that are true. Hardware interruptions are the only causes for process state changes. The process state ZOMBIE is assigned to a process that is terminated and removed from memory, but still has an entry in the management structures. A process in the state WAITING/BLOCKING can directly change to the state RUNNING when a respective signal arrives. The process state "SWAPPED OUT AND BLOCKED" is assigned to a process that is currently blocked and not in main memory. A child process whose parent has terminated is referred to as an orphan. A parent process may terminate the execution of its children processes.arrow_forwardWhen process done its task it must notify other processes through: A. Remainder section B. Exit section C. Entry section D. Critical sectionarrow_forward
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