Key Terms

Review the following list of key terms:

• Authority— The portion of the URI identifying the host, users, and port.

• Internet Exchange Point (IXP)— A facility that provides access to the Internet.

• Point of Presence (POP)— An attachment point to the Internet leased by an ISP.

• Scheme— The portion of the URI that identifies the protocol or system for interpreting the rest of the URI.

• Uniform Resource Identifier (URI)— An alphanumeric string used to identify and Internet resource.

• Uniform Resource Locator (URL)— A type of URI that locates a resource. A common URL form is web addresses (www.sams.com).