In a login that uses a username and password, the username is considered which security concept?

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Multiple Choice

In a login that uses a username and password, the username is considered which security concept?

Explanation:
Identifying who is requesting access is established when a user provides a username during login. The username acts as an identifier that tells the system which account to look up, so the system can then apply authentication (the password check) to confirm that the claimed identity is valid. Authorization is about what that authenticated user is allowed to do, and non-repudiation is about proving actions occurred and cannot be denied.

Identifying who is requesting access is established when a user provides a username during login. The username acts as an identifier that tells the system which account to look up, so the system can then apply authentication (the password check) to confirm that the claimed identity is valid. Authorization is about what that authenticated user is allowed to do, and non-repudiation is about proving actions occurred and cannot be denied.

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