V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

DAA
       Digest Access Authentication (HTTP)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

DAA
       Device Access Architecture (Vireo)


The Free On-line Dictionary of Computing (30 December 2018):

DAA

   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.