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Glossary of terms and definitions for IT (Information Technology), the Internet and cyber security.
This glossary provides more than 480 clear and concise definitions of commonly used terms in the fields of information technology, the internet, and cyber security. It is designed to support users of all levels in understanding key concepts, technical jargon, and acronyms frequently encountered across digital platforms and security-related discussions. Whether you are a business owner, student, professional, or simply interested in the digital landscape, this resource aims to enhance your knowledge and confidence in navigating the ever-evolving world of technology.
A network protocol used to send error messages and operational information, commonly used by tools like ping and traceroute.
Example: A technician uses ICMP to test network connectivity by sending ping requests to a remote server.
See also: Ping
A network utility that tests connectivity between two devices by sending ICMP echo requests and measuring response time.
Example: The technician pings google.com to verify that the internet connection is active on the client’s machine.
See also: ICMP