____ is used for multimedia transmissions, such as a combined voice and video transmission to provide user training to multiple people.

________ attacks are those that involve malware, computer or network intrusion, or other cyberattacks on critical computer systems

Fill in the blank(s) with the appropriate word(s).

The Student Registration System is to be integrated with an existing student billing system (which also bills for meal plans, dorm rooms, etc.). The databases for the two systems reside on different servers, so the integrated system is distributed. Using your imagination,

a. Give examples of two global integrity constraints that might exist for the global database of this system. b. Give examples of two transactions that access both databases.