156-315.81 Question #669: Real Exam Question with Answer & Explanation

The correct answer is A. SecurelD. SecurelD is an authentication method that uses a token-based system to generate one-time passwords (OTPs) for users. Users need to have a physical or software token that displays a code that changes periodically. The code is used along with a personal identification number (PIN)

Question

Name the authentication method that requires token authenticator.

Options

ASecurelD
BDynamiclD
CRadius
DTACACS

Explanation

SecurelD is an authentication method that uses a token-based system to generate one-time passwords (OTPs) for users. Users need to have a physical or software token that displays a code that changes periodically. The code is used along with a personal identification number (PIN) to authenticate the user. DynamiclD is another authentication method that uses OTPs, but it does not require a token. Instead, it sends the OTP to the user's email or phone number. Radius and TACACS are protocols that allow remote authentication of users through a centralized server. They do not use tokens, but they can support different types of authentication methods, such as passwords, certificates, or OTPs.

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