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There are 2 sub-categories as mentioned below: Site-to-Site VPN: A Site-to-Site or Router-to-Router VPN is commonly used in large companies having branches in different locations to connect the network of one office to another in different locations.It is a low-cost solution and provides a wide range of connectivity. It serves as an alternative to dial-up connections or ISDN (Integrated Services Digital Network) connections. Access VPN: Access VPN is used to provide connectivity to remote mobile users and telecommuters.But, have you ever thought about the internet? The Internet is a network of a network connecting all different network-enabled devices which enable data and information sharing between them and that makes computer networks a core part of our life and technical interviews.īelow is the list of all commonly asked networking questions in technical interviews from basic to advanced levels. Have you ever heard of the Internet or the NET? I guess you have, as you are already reading this article on Interviewbit surfing the internet. Why is the computer network so important? As the name suggests the computer network is a system of peripherals or computers interconnected with each other and has a standard communication channel established between them to exchange different types of information and data.

What happens when you enter in the web browser?Īccording to Merriam-Webster, Network is usually an informally interconnected group or association of different entities like a person, computers, radio stations, etc.įor example, Dominos has a network of 1232 branches across India.

What are Unicasting, Anycasting, Multicasting and Broadcasting? What is the difference between the ipconfig and the ifconfig? Differentiate the MAC address with the IP address What is the MAC address and how is it related to NIC? What is the use of a router and how is it different from a gateway? What are the HTTP and the HTTPS protocol? Differentiate OSI Reference Model with TCP/IP Reference Model Define the 4 different layers of the TCP/IP Reference Model Define the 7 different layers of the OSI Reference Model

What are Private and Special IP addresses? What is an IPv4 address? What are the different classes of IPv4? Define different types of network topology Tell me something about VPN (Virtual Private Network)