Which of the following security principles help to prevent employees from changing files they are intended only to view?

A small office calls a technician to investigate some "invalid certificate" errors from a concerned user. The technician observes that whenever the user attempts to access a secure website from the Windows desktop, this error is encountered. No other users in the office are experiencing this error.
Which of the following should the technician do NEXT? (Choose two.)

A company has hired a new IT firm to manage its network switches and routers. The firm is geographically separated from the company and will need to able to securely access the devices.
Which of the following will provide the ability to access these devices?

A systems administrator has discovered a folder on the server with numerous inappropriate pictures and videos, which is in violation of the company's AUP. Which of the following would be the NEXT appropriate act?

Which of the following are best practices to avoid ESD-related damage when handling internal computer components? (Select TWO.)