The IT department must ensure previously used passwords cannot be reused when users change their passwords. Which of the following password policies should be enforced to meet this requirement? (Select TWO.)

A special type of ESD-safe vacuum cleaner may be necessary to safely clean large spills of:

An end user contacts the help desk to report a browser issue. When the user selects a hyperlink to a POF file within the browser, nothing happens. The user notes the browser is otherwise working properly. Which of the following should a technician direct the user to do FIRST?

Joe, a user, returns his computer to the technician who performed a virus removal on it the week before. Joe states that several symptoms have returned.
Which of the following should the technician have covered previously as part of the original repair?

A user's smartphone is experiencing limited bandwidth when at home. The user reports to a technician that the device functions properly when at work or in the car.
Which of the following troubleshooting steps should the technician take NEXT?