Definitions:
- Zettabyte: A unit of digital information storage equal to one sextillion (10^21) bytes. A zettabyte is an extremely large unit of data storage, equivalent to 1,000 exabytes. It is used to describe the vast amounts of data generated and stored in the digital age.
- Zero-Day Exploit: A cyber-attack that exploits a previously unknown vulnerability in software or systems. Zero-day exploits are particularly dangerous because they occur before the vulnerability is identified and patched, leaving systems exposed to potential attacks.
- Zero Trust Architecture: A security model that assumes no implicit trust is granted to assets or user accounts based solely on their physical or network location. Zero Trust Architecture requires continuous verification and validation of all entities, including users, devices, and applications, to ensure secure access and operations.
- Zero-Shot Learning: A machine learning technique where a model is trained to generalise from a limited set of examples and apply that knowledge to new, unseen tasks without additional training. Zero-shot learning is particularly useful in scenarios where labeled data for a specific task is scarce or unavailable.
- Z-Score: A statistical measurement that describes a value's relationship to the mean of a group of values. The Z-score is measured in terms of standard deviations from the mean. It is used to determine how far a data point is from the mean and to identify outliers in a dataset.
- Zigbee: A wireless communication protocol used primarily for low-power, low-data-rate applications. Zigbee is commonly used in IoT (Internet of Things) devices, home automation, and smart energy management systems. It is designed for reliable and secure communication over short distances.
- Zookeeper: An open-source server that provides centralised configuration and synchronisation services for distributed systems. Zookeeper is used to manage and coordinate distributed applications, ensuring consistency and reliability. It is commonly used in big data ecosystems to manage distributed processes and resources.
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