CertiGuide to Network+  9  Glossary

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Microsoft Point-to-Point Encryption (MPPE)

A 128/40-bit encryption algorithm using RSA RC4. MPPE provides for packet security between the client and the tunnel server and is useful where IPSec is not available. The 40-bit version addresses localization issues based on current export restrictions. MPPE is compatible with Network Address Translation.

The data format used for tapes supported by the Backup application in Windows 2000. There are three major components to MTF: a Tape Data Block (Tape DBLK), otherwise known as the tape header; one or more Data Sets; and On Tape Catalog Information (On Tape Catalog Inf).

Typically software that operates between an application program and the underlying Operating System (O/S).

1/1000 inch.

Multipurpose Internet Mail Extensions. Standards created by the Internet Engineering Task Force (IETF) to extend email support to multipart and multimedia messages.

Relatively small, simple drivers or files that contain additional instructions needed by a specific hardware device, to interface with the universal driver for a class of devices.

A default Time To Live (TTL) value set in seconds for use with all resource records in a zone. This value is set in the start of authority (SOA) resource record for each zone. By default, the DNS server includes this value in query answers to inform recipients how long it can store and use resource records provided in the query answer before they must expire the stored records data. When TTL values are set for individual resource records, those values will override the minimum TTL.

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