CompTIA Cloud+ Practice Test 2026 - Free CompTIA Cloud+ Practice Questions and Study Guide

The choice of a constantly changing six-digit numerical token directly relates to multi-factor authentication (MFA). MFA enhances security by requiring multiple forms of verification before granting access to a system or service. One common method used in MFA is Time-based One-Time Passwords (TOTP), which generate a new six-digit code at regular intervals. This code is typically generated by an app or sent via SMS, and it provides an additional layer of security beyond just a password.

MFA is particularly important in cloud environments where sensitive data and applications are frequently accessed over the internet. By requiring something the user knows (like a password) and something the user has (like a TOTP code), MFA significantly reduces the likelihood of unauthorized access.

The other options, such as XML, TLS, and SSL, do not involve a six-digit token format as part of their standard functionalities. XML is a markup language, while TLS and SSL are protocols for securing communication, neither of which specifically relate to the generation of a constantly changing numerical token. Therefore, the focus on a six-digit numerical token accurately represents a key aspect of MFA.