C++ Interview Questions and Answers Test 3 PDF Download
C++ interview questions with answers, c++ test 3 to practice c++ questions for executive interview preparation. Learn c++ on com interface, iunknown interface questions and answers for jobs.
FAQs: C++ Test 3
Question: What is COM interface?
Answer:
A COM interface is a set of related methods with well defined contract without implementation.
Question: What is Iunknown
interface?
Answer:
Iunknown
is an interface from which all other interfaces are derived. It defines the three methods as QueryInterface
, AddRef
and Release
.