WAEC Past Questions and Answers - Page 2116

10,576.

Computer virus cannot be transmitted by 

A.

Downloading files

B.

E-mail attachment

C.

Pen drives

D.

Typing of keyboard

Correct answer is D

No explanation has been provided for this answer.

10,577.

Which of the following measures are used to secure data on-line? I. Password II. Encryption III. Personal Identification Number (PIN)

A.

II only

B.

III only

C.

II and III

D.

I, II, and III

Correct answer is D

No explanation has been provided for this answer.

10,578.

A computer pofessional who studies an existing system with a view to evolving a computer based system from it is

A.

System analyst

B.

System administrator

C.

Computer programmer

D.

Computer engineer

Correct answer is A

No explanation has been provided for this answer.

10,579.

The basic criterion for classifying a network is

A.

Psychological consideration

B.

Geographical scope

C.

Equipment availability

D.

Economic reason

Correct answer is B

No explanation has been provided for this answer.

10,580.

Which of the following operations prevent file loss?

A.

File backup

B.

File conversation

C.

File maintenance

D.

File sorting

Correct answer is A

No explanation has been provided for this answer.