Interview Questions and Answers

21. What is 5NF? A table is in fifth normal form (5NF) or Project-Join Normal Form (PJNF) if it is in 4NF and it cannot have a lossless decomposition into …

11. What is DML (Data Manipulation Language)? This language that enable user to access or manipulate data as organised by appropriate data model. Procedural DML or Low level: DML requires …

1. What is database? A database is a collection of information that is organized. So that it can easily be accessed, managed, and updated.

31. What’s the major distinction in between Storage structure and file structure and how? The expression of an specific data structure inside memory of a computer system is termed storage …

21. Mention some of the problem solving strategies? The most widely strategies are listed below i)Divide and conquer ii)Binary doubling strategy iii)Dynamic programming

11. What is a string? A sequential array of characters is called a string.

1.What is data structure? A data structure is a way of organizing data that considers not only the items stored, but also their relationship to each other. Advance knowledge about …

41. What is Bridges? They divide large network into smaller components.They can relay frames between two originally separated LANs.They provide security through partitioning traffic.They operate on physical and data link …

31. Define cyclic redundancy check (CRC). C RC appends a sequence of redundant bits derived from binary division to the data unit. The divisor in the CRC generator is often …

21.What is full duplex? It is the mode of communication between two devices in which flow of data is bi-directional and it occurs simultaneously. Here signals going in either direction …