A medium-sized enterprise is planning to upgrade their network security architecture. They wish to enhance their user authentication methods to secure remote access to their corporate network. The IT manager suggests a system that requires a password and a verification code sent to the user's mobile device. Which authentication mechanism does this scenario best describe?
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Terminal Access Controller Access Control System Plus (TACACS+)
The scenario describes Multifactor authentication (MFA), where more than one piece of evidence is required to authenticate a user's identity. MFA significantly enhances security by combining something the user knows (password) with something they possess (mobile device for verification code). The incorrect answers, Single sign-on (SSO) and Terminal Access Controller Access Control System Plus (TACACS+), do not necessarily imply the use of a second factor, and Physical token is too narrow, specifying only one form of the second factor.
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What are the key components of Multifactor Authentication (MFA)?
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How does MFA improve network security compared to traditional authentication methods?
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Can you explain the difference between Single Sign-On (SSO) and MFA?