Which of the followings is true about multimedia synchronization?

1. Since video quality is more important than audio quality, priority is given to video in transmission.

2. Since random access is possible on Blu-ray discs, there is no need to consider multiplexing.

3. Sending multiplexed video and audio supports accurate multimedia synchronization at receiver.

Why is UDP instead of TCP usually used in RTP multimedia streaming?

1. Because there is no packet loss.

2. Because the packet transmission speed is faster.

3. Because the packet transmission efficiency is high.

Which of the followings is true about RTCP?

1. The information exchanged by RTCP may or may not be used.

2. It exchanges the information that is used by RTSP to control the streaming bitrate.

3. It specifies the type of multimedia information included in RTP payload.

Which of the followings is the correct role of MPD file in MPEG-DASH?

1. It is used to transmit data that takes into account the differences in functionality and capabilities of terminals.

2. It is used for the HTTP server to monitor the data transmission and to transmit appropriate segments.

3. It describes the data transmission efficiency and capability of HTTP server.

Which of the followings is true about ISOBMFF?

1. It provides fragment format to reduce the playback delay.

2. It is used in MPEG-DASH to store multimedia information in server.

3. It is used to store only codec specific audiovisual data specified by MPEG.

Which of the followings is correct about MMT and MPEG-DASH?

1. Both MMT and MPEG-DASH use ISOBMFF.

2. In MMT, the equivalent of MPD file in MPEG-DASH is "signaling message".

3. MMT is used only for broadcasting, while MPEG-DASH can be used for various services.

Which of the followings is not true about MMT?

1. It enables more efficient data transmission than MPEG-2 TS.

2. It assumes a single transmission path.

3. Multiple MPUs are included in an MFU.