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One of the ways Internet of Things (IoT) devices can communicate with each other (or 'the outside world') is using a so-called short-range radio protocol. Which kind of short-range radio protocol makes it possible to use your phone as a credit card?
Suggested Answer: A
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12 comments · newest first
HY
Hyman
11 months ago
RFID is more for tracking, not payments.
FE
Fernanda
11 months ago
Really? I didn't know my phone could do that.
AL
Alba
12 months ago
NFC is super convenient for payments!
RO
Rosenda
12 months ago
I thought it was Bluetooth at first.
HE
Herminia
12 months ago
It's definitely NFC!
CA
Carmelina
1 year ago
The 4G protocol seems too broad; I don't recall it being related to short-range communication like payments.
DI
Diane
1 year ago
I practiced a question about RFID, but I don't think that's right for this one.
JU
Justine
1 year ago
I'm not entirely sure, but I feel like Bluetooth is more for connecting devices rather than payments.
DO
Dorothea
1 year ago
I think the answer is NFC because I remember it being used for mobile payments.
MI
Micaela
1 year ago
Hmm, this looks like a tricky one. I'll need to carefully review the test design technique and coverage type details to determine the corresponding graph.
DO
Dominque
1 year ago
This question seems pretty straightforward. I'm confident I can identify the three true statements about network planning in Solaris 11.
LA
Lashandra
1 year ago
I vaguely recall that KPIs are more about performance metrics, so I'm tempted to say "A" might not fit this question.