What is a login?

• A. A combination of information that authenticates your identity.
• B. A decorative screen saver.
• C. A network name for Wi-Fi.
• D. A hardware token.

Answer: (A)

Authentication is the process of proving who you are when you sign in. A login is the set of information you provide to verify your identity and gain access to a system or account. This typically includes something you know, like a username and password, and may also involve extra factors such as codes from an app or a hardware token. The idea is to confirm your identity before granting entry.

The other options describe things unrelated to proving identity: a decorative screen saver is just a display feature; a network name for Wi‑Fi identifies a wireless network, not a user; a hardware token is a device used as part of the verification process, but it isn’t the act of proving who you are by itself.