Networking

Definitions about networking including routing and switching vocabulary, telecom terminology and words about email, messaging and mobile.

High-speed networks

Terms related to high-speed communication networks, including network and end-system architecture definitions and words and phrases about high-bandwidth and low-latency communication.

  • What is SMS (Short Message Service)?

    SMS (Short Message Service), commonly referred to as 'text messaging,' is a service for sending short messages of up to 160 characters (224 character limit if using a 5-bit mode) to mobile devices, including cellular phones, smartphones and tablets.

  • What is Cisco Performance Routing (PfR)?

    Cisco Performance Routing (PfR) is a way of sending network packets based on intelligent path control.

  • Android OS

    Android OS is a Linux-based mobile operating system that primarily runs on smartphones and tablets.

View All High-speed networks Definitions

Network Admin

Terms related to managing computer networks, including definitions about LANS or WANS and words and phrases about network design, troubleshooting, security and backups.

  • What is a web server?

    A web server is software and hardware that uses HTTP and other protocols to respond to client requests made over the World Wide Web.

  • What is SaaS (software as a service)?

    Software as a service (SaaS) is a software distribution model in which a cloud provider hosts applications and makes them available to end users over the internet.

  • What is a server?

    A server is a computer program or device that provides a service to another computer program and its user, also known as the client.

View All Network Admin Definitions Back to Top

Network hardware

Terms related to network hardware, including definitions about cables or file servers and words and phrases about routers and switches.

View All Network hardware Definitions Back to Top

Networking and communications

Terms related to networking and communications, including definitions about network protocols and words and phrases about data transmission.

  • What is Cisco Certified Internetwork Expert (CCIE) certification?

    Cisco Certified Internetwork Expert (CCIE) certification is a series of technical certifications for senior networking professionals who design, build, implement, maintain and troubleshoot complex enterprise networking infrastructures.

  • What is a Request for Comments (RFC)?

    A Request for Comments (RFC) is a formal document created by the Internet Engineering Task Force (IETF) that outlines technical specifications, organizational notes and standards relevant to internet and networking technologies, including protocols such as routing, addressing and transport technologies.

  • What is a server?

    A server is a computer program or device that provides a service to another computer program and its user, also known as the client.

View All Networking and communications Definitions Back to Top

Wireless and mobile

Terms related to wireless and mobile technology, including definitions about consumer mobile technology devices and communication technologies such as Wi-Fi, WiMAX and LTE.

  • What is NRZ (non-return-to-zero)?

    NRZ (non-return-to-zero) is a form of digital data transmission in which the binary low and high states, represented by numerals 0 and 1, are transmitted by specific and constant direct current (DC) voltages.

  • What is SMS (Short Message Service)?

    SMS (Short Message Service), commonly referred to as 'text messaging,' is a service for sending short messages of up to 160 characters (224 character limit if using a 5-bit mode) to mobile devices, including cellular phones, smartphones and tablets.

  • What is Extensible Authentication Protocol (EAP)?

    Extensible Authentication Protocol (EAP) is a protocol for wireless networks that expands the authentication methods used by Point-to-Point Protocol (PPP), a protocol often used when connecting a computer to the internet.

View All Wireless and mobile Definitions Back to Top