What is one type of built-in protocol mechanism?1 pointIPv6Time to Live (TTL) expirationError detectionMisconfiguration error

Understanding Built-in Protocol Mechanisms

In networking, built-in protocol mechanisms are essential features that help manage data transmission efficiently. One significant type of built-in protocol mechanism from the options given is:

1. Error Detection: This mechanism helps identify errors that may have occurred during data transmission. Protocols use techniques, such as checksums or cyclic redundancy checks (CRC), to ensure that the data received is the same as the data sent. If an error is detected, the data can be retransmitted, thereby maintaining data integrity.

Summary

Among the choices provided, "Error detection" is a crucial built-in protocol mechanism that enhances the reliability of data communication by identifying and correcting errors during transmission.