Joe, a customer, calls a technician to report a remote computer is demonstrating erratic behavior while he is working on it. The technician verifies the files and directories. Joe is working on locally cannot be opened in any application, and the computer is running extremely slow. Which of the following is the MOST likely cause of this issue?

A user reports that when opening a web browser, the initial page loads to a search engine the user does not recognize. When the user performs searches on the site, the results are often irrelevant, and there are many pop-ups.
Which of the following should a technician do to resolve these issues? (Choose two.)

A SOHO user reports desktop applications are performing slowly, and no emails have been received all morning. A technician remotes in and determines Internet pages' load slowly or not at all, CPU performance is normal, and the local router can successfully ping.
The remote connection drops periodically. Which of the following steps should the technician take NEXT to resolve the problem?

Which of the following are typically too dangerous to be disassembled by an in-house technician? (Choose two.)

A system administrator needs to submit a change request to the change control board for review and approved. The system administrator will be upgrading the production servers to the latest OS. Which of the following must the administrator include in the change request before the change control board will approve the request? (Select THREE.)