Computer Science for IGCSE & O level - Data Transmission (Section 10 - No. 42)
Which of the following are applications of automatic repeat request(ARQ)? (Select all that apply)
To ensure data integrity
To improve data transmission speed
To correct errors in data transmission
To acknowledge data received
Paliwanag
ARQ is used to ensure data integrity by correcting errors through re-transmission and to acknowledge received data.