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CHAPTER 7 Glossary
ACK. Acknowledgment. Message sent from one network device to another to indicate that some event has occurred. See NAK.
access rate. Transmission speed, in bits per second, of the circuit between the end user and the network.
adapter. Board installed in a computer system to provide network communication capability to and from that computer system.
address mask. See subnet mask.
ADSL. Asymmetric Digital Subscriber Line. Modems attached to twisted pair copper wiring that transmit
AH. The Authentication Header provides data origin authentication, connectionless integrity, and
ANSI. American National Standards Institute.
ASCII. American Standard Code for Information Interchange (pronounced