Which is the best book consists of objective type questions with answer in computer technolgy?

Question

For example.
What is the usage of ping?
Options for answer should be
(a)
(b)
(c)
(d)
Ans. option (a) or (b) or (c) or (d) or combination of either of them or all

Answer 1

i might wrong but not mistake, i dont think there's a book to answer your question.

Answer 2

You should try to get past question papers of DOE Exams for A,B Levels. There you might find lot of such questions.