HR call followed by 2 technical rounds and 2 managerial rounds, but notice period is very important. Company will reject you without any feedback after all rounds if your notice period is more than 45 days. So be careful while applying.

I am a Software Engineer with an experience of 4 years in C++ development when appearing for the interview with Progress. The interview stared with a small introduction followed by some question related to the work updated on resume. Questions were asked on: 1. Socket Programming explanation to a newbie. 2. Multi-threading with synchronization mechanism- Mutex, Semaphore and Critical Section 3. Basic OOPS Concepts 4. DS Questions mentioned below