System Admin Interview Questions and Answers

To deal with a vendor for purchasing IT related items, establish clear requirements, negotiate pricing and terms, and maintain good communication.

• Define your requirements clearly and communicate them to the vendor

• Negotiate pricing and terms to ensure a fair deal

• Maintain good communication throughout the process to avoid misunderstandings

• Consider factors such as delivery time, warranty, and support

• Research the vendor's reputation and reliability before making a purchase

As a System Administrator, I can take the following actions in case of high CPU, server hang, server not up, and memory full.

• For high CPU, identify the process causing the spike and either kill or prioritize it.

• For server hang, check system logs and restart the service or server if necessary.

• For server not up, check network connectivity and power supply, and troubleshoot accordingly.

• For memory full, identify the process consuming the most memory and either kill or optimize it...read more

The Internet is a global network of interconnected computers and servers that communicate with each other using standardized protocols.

• The Internet is made up of millions of interconnected devices, including computers, servers, routers, and switches.

• Data is transmitted across the Internet using standardized protocols such as TCP/IP.

• The Internet is accessed through Internet Service Providers (ISPs), which provide users with a connection to the Internet.

• Websites and other onlin...read more

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 consists of seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application

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