NOC Specialist Interview Questions and Answers

ITIL (Information Technology Infrastructure Library) is a set of best practices for IT service management.

• ITIL is a framework that outlines processes, procedures, tasks, and checklists for managing IT services.

• It focuses on aligning IT services with the needs of the business.

• ITIL processes include incident management, problem management, change management, and more.

• ITIL helps organizations improve efficiency, reduce costs, and provide better service to customers.

The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.

• The OSI model stands for Open Systems Interconnection model.

• It helps in understanding how different networking protocols work together.

• Each layer has specific functions and communicates with the adjacent layers.

• Examples of layers include physical layer, data link layer, network layer, transport layer, etc.