Networking Concepts and Terminology

Any addressable device on a local network.

• node

• hub

• switch

• router

A language used to interact with and configure database objects and data.

• SQL (Structured Query Language)

• HTML (HyperText Markup Language)

• CSS (Cascading Style Sheets)

• XML (eXtensible Markup Language)

Each node is directly connected to multiple other nodes; no central control.

• star topology

• bus topology

• mesh topology

• ring topology

A central device connects to multiple peripheral devices, which then connect to endpoints.

• hub-and-spoke topology

• star topology

• mesh topology

• ring topology

A system for mapping domain names to IP addresses.

• DNS (Domain Name System)

• HTTP (Hypertext Transfer Protocol)

• FTP (File Transfer Protocol)

• SMTP (Simple Mail Transfer Protocol)

Software on a database server for managing, modifying, and retrieving data.

• DBMS (Database Management System)

• CMS (Content Management System)

• OS (Operating System)

• API (Application Programming Interface)

A centralized directory database storing user account and security info for a network.

• LDAP (Lightweight Directory Access Protocol)

• AD (Active Directory)

• DNS (Domain Name System)

• NIS (Network Information Service)

A company that provides Internet access.

• ISP (Internet Service Provider)

• Web Hosting Service

• Network Administrator

• Cloud Storage Provider

Describes a network’s ability to grow or expand easily.

• expandable

• flexible

• scalable

• static

A protocol that lets users read and organize emails stored on the server.

• SMTP (Simple Mail Transfer Protocol)

• POP3 (Post Office Protocol, version 3)

• IMAP4 (Internet Message Access Protocol, version 4)

• HTTP (Hypertext Transfer Protocol)