Introduce yourself Explain projects mentioned in your resume OS: 1. What is paging? 2. What is semaphore? 3. Types of semaphore CN: 1. OSI model 2. IP address 3. IP address types OOP and JAVA: 1. Encapsulation 2. Java memory - heap and stack DSA 1. https://www.geeksforgeeks.org/linked-list-set-3-deleting-node/ 2. https://www.geeksforgeeks.org/remove-duplicates-sorted-array/