Microsoft Certified: Azure Fundamentals (AZ-900) Practice Exam

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What is network latency?

  1. The amount of data that can fit on the connection.

  2. The distance data must travel to reach its destination.

  3. The time it takes for data to travel over the network.

  4. The security measures in place to protect data during transmission.

The correct answer is: The time it takes for data to travel over the network.

The concept of network latency refers specifically to the time it takes for data to travel over a network from one point to another. This includes the time for the data to be sent from the source, any processing time at intermediate devices, and the time taken to reach the final destination. Understanding network latency is crucial for assessing network performance, as low latency is essential for applications that require real-time data transfer, such as video conferencing and online gaming. High latency can result in noticeable delays that can hinder the user experience. The other options relate to different aspects of networking. The capacity of a connection is described in option A, focusing on bandwidth rather than time. Option B discusses the physical distance data must travel, which can contribute to latency but does not measure it directly. Option D addresses security rather than performance, referring to the measures taken to protect data during its transmission rather than the speed of that transmission.