From the course: ISC2 Certified Information Systems Security Professional (CISSP) (2024) Cert Prep

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Network performance metrics

Network performance metrics

- [Instructor] Security professionals often find themselves needing to evaluate the health of a network connection. We have a variety of performance metrics to help us do this. They include bandwidth, throughput, latency, jitter, and signal-to-noise ratio. Each of these metrics provides insights into the operational capabilities of a network. They're vital for identifying potential issues, optimizing performance, and ensuring reliable and secure data transmission. Let's start with bandwidth. This metric represents the maximum theoretical rate at which data can be transferred over a network. Measured in bits per second, bandwidth is a key factor in determining a network's capacity to handle data. Environments with high data transmission requirements need sufficient bandwidth to handle large volumes of data without causing delays or bottlenecks. Throughput differs from bandwidth as it denotes the actual rate of successful data transfer achieved by the network. It's a more realistic…

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