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Exam SY0-501 topic 1 question 34 discussion

Actual exam question from CompTIA's SY0-501
Question #: 34
Topic #: 1
[All SY0-501 Questions]

Which of the following implements two-factor authentication?

  • A. A phone system requiring a PIN to make a call
  • B. At ATM requiring a credit card and PIN
  • C. A computer requiring username and password
  • D. A datacenter mantrap requiring fingerprint and iris scan
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Suggested Answer: B 🗳️
by Arduwyn at Nov. 4, 2019, 8:53 p.m.

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redondo310
Highly Voted 5 years, 4 months ago
Credit Card (Something you have), Pin (Something you know) = MFA Fingerprint (Something You are), Iris (Something you are) != (Not) MFA -- Careful to understand multi-factor cannot be of the same type. I missed several similar to this because not understanding its not just multiple multiple-different-types
upvoted 33 times
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Arduwyn
Highly Voted 5 years, 5 months ago
I suppose this could be since they are referencing the credit card as something you have and the pin as something you know. I guess I'll take that.
upvoted 15 times
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Hanzero
Most Recent 4 years, 7 months ago
Yes answer is correct based on something you ___ model.
upvoted 1 times
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SQLinjector
4 years, 8 months ago
something you have = credit card + something you know = PIN
upvoted 2 times
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Owonikoko
4 years, 10 months ago
The credit card classified as "something you have" has been embedded with a chip that contains hiding information about the particular card assigned to the owner. When a pin is added, that is another form of password classified as "something you know"
upvoted 3 times
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Neela
5 years, 2 months ago
B: something you have and something you know
upvoted 3 times
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Bennie
5 years, 2 months ago
it is what you have and what you know
upvoted 2 times
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MelvinJohn
5 years, 2 months ago
Username (something you know) and password (something you know). So no-go.
upvoted 1 times
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nickyjohn
5 years, 4 months ago
Key is that in order for it to be a good implementation of MFA there the authentication types should be mutually exclusive.
upvoted 2 times
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Arduwyn
5 years, 5 months ago
All of these answers are incorrect. a Credit card and pin is not 2-factor. The credit card in this instance is identification and the pin is the password. There would need to be one additional form of password such as text message code for it to be two factor.
upvoted 4 times
OShpapi
4 years, 2 months ago
Option B states an ATM require a credit card ( something you have ) and pin ( Something you own ) that is MFA. B is the answer
upvoted 2 times
OShpapi
4 years, 2 months ago
Know* correction on earlier comment
upvoted 1 times
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