Designated Approving Authority The appointed management official tasked to determine the level of acceptable risk Tasked also to authorize the operation of an information system once an acceptable level of risk has been attained The DAA is responsible for issuing an accreditation statement if the level of risk is deemed acceptable This statement states that the DAA formally accepts responsibility for the operation of the system and declares that the specified system will adequately protect against compromise, destruction, or unauthorized modification under the stated parameters of the accreditation
Data Access Arrangement A module that electrically isolates a connected circuit from the phone line The FCC requires this for any circuit interfacing with an outside phone line Also, the module itself must be FCC-approved (FCC approval costs $$,$$$ so best to buy one of these from a company )
Distributed Application Architecture: under design by Hewlett-Packard and Sun A distributed object management environment that will allow applications to be developed independent of operating system, network or windowing system
Data Access Arrangement A device used to connect modems to the switched telephone network
Data Access Arrangement - The electronic interface and modem within a computer that is required for any device connected to a public telephone line DAA's are present in fax machines, PBXs, set-top boxes, and alarm systems