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CIPS L4M7 Exam - Topic 9 Question 41 Discussion

Actual exam question for CIPS's L4M7 exam
Question #: 41
Topic #: 9
[All L4M7 Questions]

Can RFID tags work when they are attached to metal surfaces or embedded within metal products?

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Suggested Answer: A, E

RFID tags are the small devices that can be embedded in labels or attached to tags which work with radio transmitters and/or receivers to identify themselves.

RFID tags can be used to do the following:

- Track individual items

- Track boxes of products, cages of products and pallets

- Track containers with multiple loads

- Locate equipment within a building

- Trigger alarms should equipment or stock be removed without authorisation.

RFID devices have a very small integrated circuit incorporating a small memory capability - many are smaller than 2mm square and 2mm thick. Despite its size, many can hold 2000 characters of data.

RFID operating rage depends on the radio frequency used, receiver capability and the environment. Some tags are only readable from under 1m, others can have a 100m range.

RFID tags and labels are very specific to the type of material and size of your assets. For example, metal will deactivate the RFID antenna and the tag will not transmit at all. Using RFID on metal requires a special type of tag with an RFID block to prevent interference with the antenna. Liquid products can also affect the reliability of the RFID signal. To use RFID tags in specific environ-ments, some technologies are needed to support them.


LO 1, AC 1.2

by Sonia at Aug 06, 2024, 07:00 AM

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Lorrie
3 months ago
No way, metal just messes with the signals!
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Gianna
3 months ago
Really? I’m surprised they can work on metal at all.
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Georgiana
3 months ago
Totally agree, there are special tags for that!
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Rebbecca
4 months ago
I thought metal would block them completely.
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Karma
4 months ago
Yes, some RFID tags are designed for metal surfaces!
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Dorcas
4 months ago
I thought RFID tags only worked with non-metal materials, but I could be wrong. Option C seems too limiting, though.
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Erick
4 months ago
I practiced a question similar to this, and I think it mentioned that not all RFID tags can work on metal. So, I might lean towards option A.
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Shalon
4 months ago
I'm not entirely sure, but I feel like metal can cause interference with RFID signals. Maybe option B is the right choice?
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Rose
5 months ago
I remember reading that some RFID tags are designed specifically for metal surfaces, so I think option A might be correct.
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Alaine
5 months ago
Ah, I know there are RFID tags designed specifically for metal surfaces. I think the key is using the right technology to overcome the interference. I feel confident I can answer this one.
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Merissa
5 months ago
Hmm, I'm a bit confused on this one. I know metal can interfere with RFID signals, but I think there might be some special tags that can handle it. I'll have to review that part of the material.
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Buddy
5 months ago
I'm pretty sure some RFID tags can work on metal, but I'll need to think through the details to be sure.
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Goldie
5 months ago
I remember learning that metal can reflect RFID signals, so I'm guessing the answer is no, RFID tags can't work on metal. But I'll double-check to make sure.
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Annamae
5 months ago
This is a good opportunity to show my knowledge of big data technologies. I'll carefully consider each option and select the ones I'm most confident about.
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Mabel
5 months ago
Okay, I think I've got this. The code sorts the two containers, then merges them together. The output should be the combined, sorted elements from both containers.
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Rosalia
5 months ago
Okay, I think I've got a strategy for this. I'll consider who is responsible for the CRM system and data security.
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Cristal
9 months ago
C is the right answer. If you want your RFID tags to work, just wrap them in foil. Problem solved!
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Edward
8 months ago
D) Yes, all RFID tags can be used in every environmental conditions
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Verona
8 months ago
C) No, RFID tags only work with plastic products
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Dannette
8 months ago
B) No, metal surface reflects the radio wave and thus interferes the operations of RFID tags
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Shantell
8 months ago
A) Yes, some technologies allow RFID tags to work on metal or within metal products
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Alana
9 months ago
D? As in 'Definitely no' for that one. Trying to pull a fast one on us, eh?
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Harrison
10 months ago
I'm going with A. You just need the right RFID technology to overcome the metal interference. Easy peasy!
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Gladis
8 months ago
B) No, metal surface reflects the radio wave and thus interferes the operations of RFID tags
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Benedict
8 months ago
That's right! The right technology can make RFID tags work on metal surfaces.
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Edelmira
9 months ago
A) Yes, some technologies allow RFID tags to work on metal or within metal products
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Marilynn
10 months ago
C? Really? That's just silly. RFID tags work on all kinds of materials, not just plastic. Someone didn't do their research on this one.
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Lynda
10 months ago
B is definitely the right answer. Metal is a known interference for RFID signals. I can't believe they'd even put an 'all RFID tags work on metal' option on here!
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Aleisha
9 months ago
Exactly, metal surfaces reflect the radio waves and can disrupt the operation of RFID tags
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Laura
9 months ago
B) No, metal surface reflects the radio wave and thus interferes the operations of RFID tags
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Basilia
9 months ago
Yes, some technologies allow RFID tags to work on metal or within metal products
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Ettie
9 months ago
B is definitely the right answer. Metal is a known interference for RFID signals. I can't believe they'd even put an 'all RFID tags work on metal' option on here!
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Tenesha
9 months ago
B is definitely the right answer. Metal is a known interference for RFID signals. I can't believe they'd even put an 'all RFID tags work on metal' option on here!
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Van
10 months ago
A) Yes, some technologies allow RFID tags to work on metal or within metal products
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Christiane
11 months ago
A) I think RFID tags can work on metal surfaces if the technology allows it.
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Loreta
11 months ago
Option A seems like the correct answer. I've heard that some RFID tags are designed to work on metal surfaces.
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Jacklyn
9 months ago
No problem, happy to help!
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Novella
10 months ago
I didn't know that, thanks for sharing
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Adaline
10 months ago
That's right, some RFID tags are specifically designed to work on metal surfaces
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Portia
10 months ago
Yes, some technologies allow RFID tags to work on metal or within metal products
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Cory
11 months ago
B) No, metal surface reflects the radio wave and thus interferes the operations of RFID tags.
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Jamie
11 months ago
A) Yes, some technologies allow RFID tags to work on metal or within metal products.
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