Internet Glossary

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T-1
A connection capable of carrying data at 1,544,000 bits per second. T-1 is most commonly used to connect networks to the Internet.

T-3
A connection capable of carrying data at 44,736,000 bits per second. Equivalent to 29 T-1 connections.

TCP/IP
Transmission Control Protocol/Internet Protocol: This is the suite of protocols that defines the Internet. Originally designed for the UNIX operating system, TCP/IP software is now available for every major computer operating system. Your computer must have TCP/IP software to be connected to the Internet.

Telnet
A program for connecting to shells on remote computers. See Shell.

Third level domain
In the Domain Name System (DNS), the next highest level of the hierarchy below the second level domains. In a domain name, that part of the domain name that appears two segments to the left of the top-level (or first level) domain. For example, the "verio" in verio.va.us. Third level domains are not the part of an e-mail address that appears in front of the "at" (@ )symbol. For instance, the support in support@nextverio.com is not a third level domain.

Top level domain
In the Domain Name System (DNS), the highest level of the hierarchy after the root. In a domain name, the top level domain is that part of the domain name that is furthest to the right. For example, the "com" in verio.com.

Traceroute
A TCP/IP utility that allows a user to determine if two computers are communicating successfully with each other.

Transfer
Changing the party who is listed as the domain name registrant. The party that takes over the domain name becomes responsible for paying a new registration fee.

TrueSpeech
Software that compresses speech down to as little as 1/40th its original size. Regular speech files are normally large, causing Web pages to load slowly; TrueSpeech compression allows faster, easier transfer.

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