QUESTION $20$

Processing of email to organize or block it according to specified criteria. filter

spam

PIM

netiquette

QUESTION $21$

The tendency that as technology changes, different technological systems evolve toward performing similar tasks across information technologies, telecommunication, consumer electronics, and entertainment.

application sharing

convergence

version control

unified communications

QUESTION $22$

A hardware or software component that stores data so future requests for that data can be served faster.

cache

metadata

query

keyword