You are an enterprise application developer. You are creating a medical application that permits surgeons to review previous recordings of surgeries. The application must meet the following requirements:

Surgeons must be able to view several videos concurrently. Users send only necessary portions of the files across the network. Transmission of videos to the application might be interrupted.
Videos must play instantly.
Users must be able to fast-forward, reverse, pause, and stop the video.

You need to ensure the application meets these requirements. Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

A.
Reduce the number of concurrent videos to one.

B.
Encode the video files into the appropriate format.

C.
Begin downloading the files that are part of the search results in case the user picks one of the files.

D.
Create a schedule in the application that only permits large files to be downloaded during non- peak hours.

E.
Handle exceptions if the video data is interrupted.