ITSource Technologies Interview Questions, Process, and Tips

A network is a group of interconnected devices that communicate with each other to share resources and information.

• Networks can be wired or wireless

• They can be local (LAN) or wide area (WAN)

• Networks can be used for sharing files, printers, and internet access

• Examples of networks include the internet, home networks, and corporate networks

The OSI model is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system.

• OSI stands for Open Systems Interconnection.

• It has 7 layers, each with a specific function.

• The layers are: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer communicates with the layer above and below it.

• The model helps ensure interoperab...read more

An IP address is a unique numerical identifier assigned to each device connected to a computer network.

• IP stands for Internet Protocol

• It consists of four sets of numbers separated by dots

• It is used to identify and communicate with devices on a network

• IPv4 addresses are 32-bit and IPv6 addresses are 128-bit

• Example: 192.168.1.1

Java is a high-level, object-oriented programming language used to develop applications for various platforms.

• Java is platform-independent, meaning it can run on any device with a Java Virtual Machine (JVM)

• It is known for its security features and is commonly used for developing web and mobile applications

• Java code is compiled into bytecode, which can be executed on any platform that has a JVM installed