CompTIA Cloud+ Practice Test

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In cloud architecture, what does 'latency' refer to?

The time taken to process requests
The bandwidth available for data transfer
The time delay before a transfer of data begins following an instruction
The reliability of the connection

The correct answer is: The time delay before a transfer of data begins following an instruction

Latency in cloud architecture refers specifically to the time delay that occurs before a transfer of data begins after an instruction is given. This can include delays caused by several factors such as the distance data must travel, the time it takes for devices to process requests, and any congestion that may exist over a network. High latency can lead to sluggish application performance, especially for real-time applications that require quick interactions. Low latency is crucial for optimal performance, which is why it's a key consideration in cloud environments, where multiple services and systems need to communicate efficiently. Understanding latency is critical for designing and optimizing cloud architectures, ensuring that applications provide a smooth user experience.