HCLTech Senior Cloud Engineer Interview Questions and Answers

Network devices are hardware devices that enable communication and data transfer between computers and other networked devices.

• Network devices include routers, switches, hubs, modems, and firewalls.

• Routers are responsible for directing network traffic between different networks.

• Switches connect multiple devices within a network and facilitate communication between them.

• Hubs are older devices that broadcast data to all ...read more

There are 7 layers in the OSI model.

• The OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a communication system.

• It is divided into 7 layers, each responsible for specific tasks and interactions between devices.

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

• Each layer has its own protocols and functions, and they work t...read more