Description: The X.21 Data Link Layer is a standard for synchronous data transmission in telecommunications. This protocol is primarily used in telecommunications networks to establish and manage connections between devices. X.21 defines how data should be structured and transmitted, ensuring that communication is efficient and reliable. One of its most notable features is its ability to handle data synchronization, allowing for continuous and error-free transmission. Additionally, X.21 includes mechanisms for error detection and correction, enhancing the integrity of transmitted data. This standard is particularly relevant in environments where constant and high-quality communication is required, such as in various telecommunications applications and enterprise data networks. In the context of cloud security, the X.21 Data Link Layer can play an important role by providing a secure and reliable communication channel for transmitting sensitive data, thus contributing to the protection of information in cloud environments.
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