For mfa, comptia only really cares that the factors of authentication are different and not the same. They're not really interested in the actual authentication methods so...
A. Thumbprint/retinal scan = Something you are/Something you are (Same)
B. Password/password = Something you know/Something you know (Same)
C. Password/thumbprint = Something you know/Something you are (Different)
D. Password/PIN = Something you know/Something you know(Same)
Option C makes the most sense here
Select C : because in Comptia A+: Two-factor authentication is a security process in which the user provides two different authentication factors to verify their identity.
When it comes to two-factor authentication (2FA), CompTIA A+ emphasizes the importance of using two different types of factors to verify the identity of a user. These factors can be something the user knows (such as a password or PIN), something the user has (such as a smart card or token), or something the user is (such as a biometric characteristic like a fingerprint or iris scan).
So, in the context of a CompTIA A+ exam, the technician setting up a device for 2FA should choose an option that uses two different types of factors. In the given options, the correct answer would be A. Thumbprint/retinal scan, as it uses two different types of factors - something the user is (biometric characteristic) and something the user has (the device to scan the characteristic).
CompTIA A+ is a certification for entry-level IT technicians, and it covers a wide range of hardware and software topics. The certification covers various aspects of computer hardware, networking, mobile devices, operating systems, and security.
Regarding two-factor authentication, CompTIA A+ includes it as part of its security topics. In general, CompTIA A+ emphasizes the importance of two-factor authentication in securing user accounts and devices.
To answer the specific question about what meets the two-factor authentication requirement according to CompTIA A+, the answer is the same as my previous response: Option C, Password/thumbprint. It is worth noting that CompTIA A+ may cover other types of two-factor authentication methods, but this combination of password and biometric authentication is a common and effective method.
I think from what I have seen some people are getting confused on multi factor and multistep authentication, which is very easy and if you make this mistake just try to keep this in mind. stepping twice takes the same movement. so if a password needs two step you do the same factor twice, IE. thumbprint and retina scan (this would be something you are "biometric"). a password and a PIN would be something you know. again both are only one factor but you do them twice. where two factor is using one thing from separate categories. the user knows/Has/Is. I don't remember if there are only three factors but those are the ones I remember. keep going and good job coming this far. I hope someone can gather new information from this comment. :)
I think CompTIA is going for C. password/thumbprint because it is a blend of something you know and something you are, but it is weird to think how so many apps have you log in with your username and password and then they text you a PIN number as second layer of authentication. Is that not also considered 2FA?
C'mon everyone.. this one is obvious. Since so many people go this one wrong, it makes me hesitant to believe the other questions.
It's C. Something you have, something you know
D = Something you know, Something you know.
Option D (Password/PIN) meets the requirement of using two-factor authentication. Two-factor authentication is a security process that requires two forms of identification before granting access to a system or application. In this case, the two factors are something the user knows (password) and something the user has (PIN).
The correct answer is D. Password/PIN.
Two-factor authentication (2FA) is a security process in which a user provides two different authentication factors to verify their identity. These factors can be categorized into three types: something the user knows (such as a password or PIN), something the user has (such as a security token or smart card), and something the user is (such as a fingerprint or retina scan).
In the given options, only option D provides two different authentication factors, a password and a PIN, which makes it a valid 2FA method. Options A and C both use a single factor, a thumbprint or retinal scan, which falls under the "something the user is" category, but lacks a second factor. Option B uses the same factor, a password, twice, which does not qualify as 2FA.
There are three factors of authentication. 1. Something you know (password, pin) 2. Something you have (token, smart card, code via text) 3. Something you are (Fingerprint, retina scan, voice or face)
PIN is something you know, C is the answer. Password is something you know, Thumbprint is something you are IE 2 factor.
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