Which of the following techniques is used by malicious employees to obtain user passwords?

A manager requests remote access to a server after hours and on weekends to check data.
The manager insists on using the server. Before granting the access, which of the following is the MOST important step a technician can take to protect against possible infection?

A user can access the company's internal website properly, but some e-commerce websites have stopped loading and been replaced with an error message. The technician who is troubleshooting the issue tries to update the malware scanner over the network, but the automatic update fails.
However, a manual update is successful from a USB drive. No viruses are detected on the device after a full system scan. Which of the following is the MOST likely cause of the issue?

A user suspects a computer Is infected with malware. A technician identifies the symptoms as being related to a recent spread of malware. Which of the following steps should the technician take NEXT to address the infection?

A user reports a computer is experiencing the following issues:
Slowness at different points in the day
Screensaver engaging randomly
BSODs
Which of the following tools should the technician use to analyze the computer's behavior?