Setting this order can increase data entry efficiency

The following Business Letter feature is NOT a predefined merge field

A) Address Block B) Greeting Line C) Enclosure D) Salutation

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

A. Realtime Streaming Protocol B. Reliable Multiuser Protocol C. Reliable Multicast Protocol D. Realtime Multicast Protocol