A company is deploying a file-sharing protocol across a network and needs to select a protocol for authenticating clients. Management requests that the service be configured in the most secure way possible. The protocol must also be capable of mutual authentication, and support SSO and smart card logons. Which of the following would best accomplish this task?A. Store credentials in LDAP
B. Use NTLM authentication
C. Implement Kerberos
D. Use MSCHAP authentication
Among all four of the above, the application of Kerberos is securer. The consumer not just to validates the provider but also verifies the product to the clients with secure authentication.
It offers a common interface between windows as well as other operating systems.
The user login Smart Card gives much higher protection as it allows security with two factors, that's why except Option C other choices were wrong.
