When using secure authentication, which of the following are required?

The correct answer is D. A user name, a password and encryption of transmitted data. Secure authentication requires all three elements in option D because a username alone identifies who you are, a password proves you are who you claim to be, and encryption ensures those credentials cannot be intercepted in transit - omitting any one of these creates a…

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Question

Options

AA user name only
BA user name and a password
CNeither user name nor a password
DA user name, a password and encryption of transmitted data

How the community answered

(13 responses)

A
15% (2)
B
8% (1)
D
77% (10)

Explanation

Secure authentication requires all three elements in option D because a username alone identifies who you are, a password proves you are who you claim to be, and encryption ensures those credentials cannot be intercepted in transit - omitting any one of these creates a exploitable gap. Option A fails because identification without verification offers no security. Option B is the most common misconception: username + password is authentication, but without encryption, credentials travel as plaintext and can be sniffed on the network, making the process insecure. Option C is simply no authentication at all.

Memory tip: Think of the three-legged stool - Identify (username) + Verify (password) + Protect (encryption). Remove any leg and the stool - and your security - falls over.

Topics

#Secure Authentication#User Credentials#Data Encryption#Security Protocols

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