Metals and thick liquids can interfere with RFID signals, so Marks & Spencer _____.
A)can only tag 50% of its merchandise
B)can only tag 75% of its merchandise
C)uses more powerful ID tags to capture the other 75% of its merchandise
D)uses more powerful ID tags to ensure 100% of its merchandise are tagged

Question

Quizplus · Accepted Answer

Since metals and thick liquids can interfere with RFID signals, Marks & Spencer has to use more powerful ID tags to ensure that all of its merchandise is tagged, rather than settling for only tagging a percentage of them. Therefore, D is the correct choice, as it states that Marks & Spencer ensures that 100% of its merchandise are tagged by using more powerful ID tags.

Metals and Thick Liquids Can Interfere with RFID Signals, So