Can you describe what you know about object-oriented programming?

This technical question asks you about one of the types of programming disciplines. The other is Functional Programming. Knowing the differences between these two approaches and their benefits is critical for an experienced software developer. The Cisco interviewer will ask this question to probe your knowledge, experience, and qualifications for this position. Technical questions are easily answered by defining the term you are being asked about and then discussing its features and benefits. You can also provide an example of how it is used to illustrate your answer.