CompTIA Exam Questions

Which of the following items is MOST likely the cause of this problem?

A Windows user states that every time they hit certain letter keys on their notebook, a number
appears instead of the letter. Which of the following items is MOST likely the cause of this

problem?

A.
The user enabled sticky keys.

B.
The user changed the keyboard character set.

C.
The user enabled accessibility options.

D.
The user enabled num lock.