COMPUTER FUNDAMENTALS

COMPUTER ETHICS AND SECURITY

CRYPTOGRAPHY AND ENCRYPTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the most secure method of authentication and authorization in its default form?
A
TACACS
B
Kerberos
C
RADIUS
D
LDAP
Explanation: 

Detailed explanation-1: -CAC cards are smart cards that are used for ID and authentication to systems. What is the most secure method of authentication and authorization in its default form? Kerberos is the most secure method of authentication listed.

Detailed explanation-2: -Cryptography, multiple secret keys, and third-party authorization make Kerberos one of the industry’s most secure verification protocols.

Detailed explanation-3: -Kerberos uses symmetric key cryptography and a key distribution center (KDC) to authenticate and verify user identities.

Detailed explanation-4: -One-Time Password (OTP) An OTP and its sibling, time-based one-time passwords (TOTP), are unique temporary passwords. Biometrics Authentication. If there’s one thing that you always have with you, it’s your body. Continuous Authentication. The Three Factors of Authentication. 20-Jun-2022

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