Chapter 2 Quiz Review

What are the two values a binary digit can hold?

The 2 values are from 0-9 and powers of 10. ***Not sure about this!***

What are the four ways an RFID tag works?

1. Data Stored within an RFID tag's microchip wants to be read. 2. The tags antenna receives electromagnetic energy from the RFID readers antenna. 3. Using power from its internal battery or power harvested from the reader's electromagnetic field, the tag sends radio waves back to the reader. 4. The reader picks up the tag's radio waves and interprets the frequencies as meaningful data.

What ensures that hackers can't pick up RFID frequencies?

Better encryption is needed to ensure that hackers can't pick up frequencies with super-sensetive antenna.

What is "bit" short for?

Binary digit

What are EAS components?

EAS components are disposable tags, reusable tags, benefit denial tags, deactivators and detachers, radio frequency identification, and accessories and other products.

Why are RFID tags an improvement over barcode technology?

RFID tags have a greater storage capacity than barcodes, and are contact less. The reader doesn't have to be very close to the tab and it does not require line of sight to the tab.

What are the types of storage an RFID tag uses?

Read write- can be added to or overwritten Read-only- Cannot be changed or overwritten WROM (write once, read many)- can have additional data added once, cannot be overwritten

What is source tagging?

Source tagging is the embedding of disposable RF security labels at either point of manufacture or packaging.

What is a major flaw of VoIP?

VoIP is dependent on wall power, other systems in your home may be integrated into the phone line, 911 calls are an issue, and hiccups normally associated with home broadband services can occur.

How can you make a phone call with VoIP technology?

VoIP takes analog audio signals and turns them into digital data that can be transmitted over the internet for free phone calls.