MATCHING -Interference Between Two Devices Configured to Use the Same Frequency

question 32

Multiple Choice

MATCHING
-interference between two devices configured to use the same frequency channel

• A)co-channel interference
• B)CTS-to-self
• C)guard band
• D)intersymbol interference
• E)pre-shared key
• F)reduced interframe space
• G)spatial multiplexing
• H)symbol
• I)TKIP
• J)wireless controller

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Definitions:

UWB

Ultra-Wideband, a wireless communication protocol that uses a very low energy level for short-range, high-bandwidth communications over a large portion of the radio spectrum.

NFC

Near Field Communication (NFC) is a set of communication protocols that allow two electronic devices, one of which is usually a portable device such as a smartphone, to establish communication by bringing them within a few centimeters of each other.

Short-Range Wireless

Wireless communication technologies designed for short distances, such as Wi-Fi, Bluetooth, and NFC, typically used in consumer electronics for connecting devices.

Mobile Wallets

Digital versions of traditional wallets that someone can have on their mobile devices, allowing them to carry out electronic transactions.