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- Which of the following statements is true about anti-virus software? Select one: a. It cannot detect malware. b. It works best if there are at least two anti-virus software programs installed on the system. c. It is reactive and not proactive. d. It is good at detecting newly released viruses.Mrs. Y forgets her password. He goes to the system administrator's office, and the admin resets her password and gives Alice the new password. Why does the SA reset the password instead of giving Y her previous (forgotten) password? Why should Mrs. Y re-reset her password immediately after the SA has reset it?When the power unexpectedly goes out, my colleague has completed her annual report and saved it so that it may be printed. Unfortunately, there are no backups. The next morning, she gives the computer another go but is unable in doing so. She is under the impression that the computer has frozen. Is this truly the end of it? There is also the possibility that it is something else. How is it possible to retrieve data from an operating system that would not start up? It is imperative that she submits her report right away. Provide all of the technical support that you are able to offer.
- Write a shell script to print a number in reverse order. It should have the following requirements. (1) The script accept the input from the command line. (2) If you don’t input any data, then display an error message to execute the script correctly.Solve it correctly. Explain well and fast. i ll rate accordingly. Type answer only. Unix What does the command do? What is the expected contents of the names.txt file? awk –F: '$3 ~ /^[0-9][0-9]$/' < /etc/passwd 2>&1 | cut –d: -f5 > names.txt Group of answer choices: Names of accounts with three-digit group ID Names of accounts with two-digit group ID Names of accounts with two-digit user ID Names of accounts with three-digit user IDSuppose you work in an anti-virus software company. Answer the following questions.********************************************************************** QUESTION 3. One day you received a report of a suspicious program. By taking a glance at the following code segment, even though you are not so familiar with the assembly language, you immediately realized that this could be a ___(type) virus program since ___(reason). Codes in ___(lines) could be used as its virus signature. mov eax, 5push ecxpop ecxadd eax, ebxswap eax, ebxswap ebx, eaxcall [eax]nop
- Which of the following is a symptom of malware: a. When email is being sent without the user’s knowledge or consent. b. When programs are turning off or reconfiguring themselves. c. When there are unknown processes running. d. All of the choicesThis 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…Computer Science Create a PowerShell script that handles the following information. The script must utilize an arrays and loop. $server1 = "Mercury" $server2 = "Venus" $server3 = "Mars" $server4 = "Pluto" Write-Host "$server1 has been backed up" Write-Host "$server1 has been updated" Write-Host "$server1 has been received vendor files" Write-Host "$server2 has been backed up" Write-Host "$server2 has been updated" Write-Host "$server2 has been received vendor files" Write-Host "$server3 has been backed up" Write-Host "$server3 has been updated" Write-Host "$server3 has been received vendor files" Write-Host "$server4 has been backed up" Write-Host "$server4 has been updated" Write-Host "$server4 has been received vendor files" Answer Skip
- Computer science Discuss how to improve a Linux computer's security in a methodical way.To what extent will the operating system handle the following errors? a) there isn't enough paper in the printer b) the network is down c) the power goes out d) all of the aboveFill in the blank question- Only answer needed without explanation Q. _________ is used to change the permission of files and directories in linux.