Mainly they asked questions from java such as what is multithreading,main thread,priorities,collections,string pool and then they asked from OS -Virtual memory,all memory management techniques such as paging.
Then asked some queries from database like find the second highest salary etc ,difference between & operator and BETWEEN and which one is efficient and from Computer Networks-all layers of OSI and function of Data Link Layer and finally he asked me to write one program-find the second largest element from the array.

Question

Mainly they asked questions from java such as what is multithreading,main thread,priorities,collections,string pool and then they asked from OS -Virtual memory,all memory management techniques such as paging.
Then asked some queries from database like find the second highest salary etc ,difference between & operator and BETWEEN and which one is efficient and from Computer Networks-all layers of OSI and function of Data Link Layer and finally he asked me to write one program-find the second largest element from the array.

Sigiloso · Accepted Answer

Virtual Memory :-It is memory management technique which allow the execution of programs which are not completely availably in main memory.It helps to achieve multitasking and it is implemented using demand paging.
Data Link Layer :-Layer 2 of the OSI model. It is responsible for physical addressing (MAC addressing) and also perfrom error detection not correction.It is divided into two sub layers......

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