Which of the following is used to identify potential issues with a proposed change prior to implementation?
Answer(s): D
Sandbox testing allows proposed changes to be evaluated in an isolated environment to identify potential issues before implementation.
Each time a user tries to go to the selected web search provider, a different website opens. Which of the following should the technician check first?
Answer(s): C
If a user is redirected to an unexpected website, the DNS servers should be checked first to ensure they have not been changed or compromised.
A user receives a notification indicating the antivirus protection on a company laptop is out of date. A technician is able to ping the user’s laptop. The technician checks the antivirus parent servers and sees the latest signatures have been installed. The technician then checks the user's laptop and finds the antivirus engine and definitions are current. Which of the following has most likely occurred?
Missing or corrupted system files can cause false notifications or errors, such as an incorrect message that antivirus protection is out of date even when it is current.
Which of the following would an administrator most likely use to automate a repetitive task via a Linux command line?
Answer(s): B
A shell script is commonly used in Linux to automate repetitive tasks by executing a sequence of commands directly from the command line.
Which of the following is used to determine how many active users are currently logged in to the Remote Desktop Services?
Task Manager in Windows allows administrators to view the number of active user sessions connected through Remote Desktop Services under the "Users" tab.
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