A user has entered a user name and password at the beginning of the session, and accesses multiple applications. He does not need to re-authenticate for accessing each application. Which of the…

Question

Options

• AFile authentication
• BMutual authentication
• CBiometric authentication
• DSSO authentication

• A
  3% (1)
• B
  3% (1)
• C
  6% (2)
• D
  88% (28)

Explanation

The user is using single sign-on (SSO) authentication process. In this process, he needs one- time authentication to access multiple resources. He is required to enter a user name and password only at the beginning of the session. He does not need to re-authenticate or maintain separate usernames and passwords for accessing each application. Answer option B is incorrect. Mutual authentication is a process in which a client process and server are required to prove their identities to each other before performing any application function. The client and server identities can be verified through a trusted third party and use shared secrets as in the case of Kerberos v5. The MS-CHAP v2 and EAP-TLS authentication methods support mutual authentication. Answer option A is incorrect. There is no such authentication process as File authentication. Answer option C is incorrect. Biometrics is a method of authentication that uses physical characteristics, such as fingerprints, scars, retinal patterns, and other forms of biophysical qualities to identify a user. Nowadays, the usage of biometric devices such as hand scanners and retinal scanners is becoming more common in the business environment.

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