Bit Rate and Bandwidth

What is the primary difference between bandwidth and bit rate?

• Bandwidth measures speed, and bit rate measures performance.

• Bandwidth measures network capacity, and bit rate measures data transfer rate for specific files.

• Bandwidth is for wired networks, and bit rate is for wireless networks.

• Bandwidth measures data size, and bit rate measures transfer time.

Which of the following statements about bandwidth is correct?

• Bandwidth is the maximum possible speed of a network.

• Bandwidth determines the number of bits transferred in a specific transfer.

• Bandwidth represents the maximum amount of data a network can transfer per second.

• Bandwidth is irrelevant for streaming data.

A network with a bandwidth of 50 Mbps streams a file at 35 Mbps. What does this signify?

• Bandwidth equals bit rate in this case.

• The bit rate exceeds the bandwidth capacity.

• The bit rate is within the network’s bandwidth limit.

• The network cannot handle the transfer.

Why is a buffer necessary for data streaming?

• To store the entire video or audio file for offline use.

• To ensure the data is pre-recorded before it is streamed.

• To temporarily store data and prevent playback interruptions.

• To reduce the bit rate of the data being streamed.

Which of the following is true about real-time streaming?

• It requires the entire file to be pre-recorded before streaming.

• Data is streamed immediately as it is recorded.

• It eliminates the need for bandwidth considerations.

• Real-time streaming does not require a buffer.

What happens if the bit rate of a streamed file exceeds the available bandwidth?

• The file streams without interruptions.

• The file quality automatically improves.

• Playback pauses or stutters due to insufficient data transfer.

• The file is stored in the buffer until the bandwidth increases.

Which of the following limits the quality of a streamed audio or video file?

• Bit rate of the file.

• Buffer size of the receiving device.

• Bandwidth of the connection.

• File size of the audio or video.

In on-demand streaming, when is data streamed to the user?

• As soon as the video or audio is recorded.

• Only after the entire file has been downloaded.

• When the user requests the pre-recorded file

• Continuously, regardless of user actions.

If a network has a bandwidth of 2 Mbps, what could be a limitation?

• Streaming high-quality files such as 4K movies.

• Storing files in the buffer for playback

• Downloading pre-recorded video files.

• Sending data across short distances.

How does a buffer handle data during streaming?

• It increases the bit rate of the file being streamed.

• It stores data temporarily to manage playback and downloading simultaneously.

• It compresses the video or audio file for faster transfer.

• It eliminates the need for a high bandwidth connection.