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The Chief Information Officer (CIO) of a datacenter is concerned that transmissions from the building can be detected from the outside. Which of the following would resolve this concern? (Choose two.)
A. RFID
B. Proximity readers
C. Signal blocking
D. Camouflage
E. Reflective glass
F. Bollards
Correct Answer: AB
Explanation/Reference:
Explanation:
RFID is an acronym for “radio-frequency identification” and refers to a technology whereby digital data encoded in RFID tags or smart labels (defined below) are captured by a reader via radio waves. Proximity readers work by constantly emitting a short range radio frequency (RF) field. When a proximity card comes within range of this field, an integrated chip within the card is powered up and the chip transmits a card number back to the reader. Not all proximity cards are born equal though, and it is important that the differences are weighed up when making a decision about which technology to adopt.
Reference: https://www.abr.com/what-is-rfid-how-does-rfidwork/#:~:text=RFID%20is%20an%20acronym%20for,a%20reader%20via%20radio%20waves.&text=RFID%2C%20however%2C%20has%20several%20advantages,use%20barcode%20asset%20tracking%20software.
https://www.ict.co/Choosing-Card-Technology
