Which of the following is a reason to use WEP over WPA?

Ann, a technician, is dispatched to a corporate customer that has reported a malware infection. Upon arrival, Ann notices the system is shut off, and she is able to start the computer without incident. Ann also notices numerous pop-ups appear when the web browser is opened. Which of the following should Ann do NEXT?

A SOHO customer has recently experienced a major hurricane. The customer has no backups and has lost all data and hardware associated with the company. The customer calls a contractor to assist in the rebuilding process and needs suggestions on the best way to prevent this from happening again.
Which of the following recommendations should the contractor give to the customer? (Choose two.)

A network administrator has noticed unusual activity with a user's login credentials on the network. The user is attempting multiple simultaneous login across the network, some of which are attempting to access workstations and servers to which the user does not have access.
Which of the following should the network administrator do NEXT?

Joe, a user, is getting out-of-office replies from people he did not email. A technician inspects Joe's inbox and sees a sent email that appears to have come from Joe. The email contains a link to a well-known company's website, which is spelled incorrectly. Joe's sent items folder shows dozens of emails that were sent to everyone on his contact list.
Which of the following is the MOST likely cause of this issue?