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Exam 220-1101 topic 1 question 14 discussion

Actual exam question from CompTIA's 220-1101
Question #: 14
Topic #: 1
[All 220-1101 Questions]

A user failed to gain access to a building's entrance after security measures at the entrance were upgraded last week. The company implemented the 13.56MHz frequency short band, and users can now utilize their mobile devices to authenticate. Which of the following has to be enabled for the mobile device to authenticate?

  • A. Bluetooth
  • B. Biometrics
  • C. NFC
  • D. PIN
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️
by ATill at Sept. 5, 2022, 10:48 p.m.

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Chosen Answer:
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NotAHackerJustYet
Highly Voted 1 year, 7 months ago
Selected Answer: C
A. Incorrect - Bluetooth has a frequency range of 2.4-2.4835 GHz B. Incorrect - Biometrics do not operate on a frequency short band C. Correct - NFC operates on 13.56MHz and makes the most sense D. Incorrect - A PIN code does not operate on a frequency.
upvoted 19 times
TShombela
8 months, 3 weeks ago
Thank you for this broad answer, it is quite helpful.
upvoted 2 times
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Chavozamiri
Most Recent 8 months, 1 week ago
Selected Answer: C
NFC short distance.
upvoted 2 times
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Satria14
1 year, 2 months ago
Selected Answer: C
NFC operates on 13.56MHz
upvoted 1 times
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Essex
1 year, 2 months ago
NFC has 13:56 MHZ
upvoted 1 times
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STAXLIY
1 year, 3 months ago
Of course C :D
upvoted 1 times
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dannye88
1 year, 3 months ago
C is the correct answer
upvoted 1 times
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MLyte
1 year, 7 months ago
I think C is the answer
upvoted 1 times
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ninaanto
1 year, 7 months ago
Selected Answer: C
CORREC C
upvoted 1 times
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PatAza
1 year, 8 months ago
Selected Answer: C
CORREC C
upvoted 1 times
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chickennuggetsareamazing
1 year, 8 months ago
Selected Answer: C
NFC uses the 13.56 MHz frequency so the answer they provide is correct
upvoted 2 times
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ATill
1 year, 9 months ago
Correct.
upvoted 3 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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