Question

why should you protect your username and password information?
a. to prevent people from communicating with you
b. to prevent people from accessing your personal data
c. to avoid contact with students from other schools
d. to keep secret information from parents

Explanation:

Usernames and passwords are keys to accessing personal data. Protecting them is about safeguarding privacy and security. Option A is incorrect as it's not about preventing communication. Option C is wrong as it's not related to school - student contact. Option D is incorrect as it's not about hiding from parents. Option B makes sense as protecting these credentials stops unauthorized access to personal data.

Answer:

B. To prevent people from accessing your personal data