Wireless Principles - Wireless AV Solutions Quiz Flashcards
Wireless signals are transferred either in one direction between a transmitter and receiver (for radio and TV), or bi-directionally using a transceiver.
True
or
False
True - Wireless signals are transferred either in one direction between a transmitter and receiver (for radio and TV), or bi-directionally using a transceiver.
Which of the following wireless communications is used in remote controls for displays and media players, and in night vision and thermal imaging technology?
A - Two-way radio
B - Infrared - IR
C - Radar
D - Microwave
Infrared - IR - Infrared – IR is used in remote controls for displays and media players, and also in night vision and thermal imaging technology.
Which of the following is mostly used in residential and small businesses that perform the functions of a router and includes a built-in Access Point – AP?
A - Repeater
B - Wireless Router
C - Bridge
D - Network Hub
Wireless Router - A wireless router is mostly used in residential and small businesses that perform the functions of a router and includes a built-in Access Point – AP.
Which of the following is mostly used in larger businesses and venues as a small base station with a built-in network adaptor, antenna, and radio transceiver?
A - Repeater
B - Network hub
C - Wireless Access Point – WAP
D - Bridge
Wireless Access Point - A Wireless Access Point – WAP is mostly used in larger businesses and venues as a small base station with a built-in network adaptor, antenna, and radio transceiver.
Which of the following is a common wireless security threat?
Denial of Service
Eavesdropping
Man in the Middle
All of the above
All of the above -
Denial of Service, Eavesdropping, and Man in the Middle are all common wireless security threats.
Which of the following is a low frequency, long range wavelength that can pass through obstructions fairly well, and supports channels 1 - 11?
Narrowband frequency band
5 GHz frequency band
2.4 GHz frequency band
Short-range signals
2.4 GHz is a low frequency, long wavelength that can pass through walls and windows fairly well and supports channels 1-11.
Which of the following is a high frequency, short wavelength that struggles to pass through obstacles, and provides 25 non-overlapping channels?
5 GHz frequency band
2.4 GHz frequency band
Narrowband frequency band
Short-range signals
5 GHz is a high frequency, short wavelength that struggles to pass through walls and windows and provides 25 non-overlapping channels.
Which of the following is a modulation technique that broadens the bandwidth of the transmitted signal without affecting the data?
Spread Spectrum
Wideband channel spacing
Full Duplex modulation
Simplex encoding
Spread Spectrum is a modulation technique that broadens the bandwidth of the transmitted signal without affecting the data.
Which of the following is a wireless extender that connects directly to a source device to transmit HDMI video and multi-channel audio up to 100 feet (30 meters) to a receiver that is connected to a display?
Extron eLink 100
Extron LinkLicense
Extron TouchLink Pro
Extron IP Link
The Extron eLink 100 is a wireless extender that connects directly to a source device to transmit HDMI video and multi-channel audio up to 100 feet (30 meters) to a receiver that is connected to a display.
Which of the following is a collaboration system so that anyone can present wired or wireless content from their laptop, tablet, or smartphone onto a display?
Extron LinkLicense
Extron IP Link
Extron TouchLink Pro
Extron ShareLink Pro
The Extron ShareLink Pro is a collaboration system so that anyone can present wired or wireless content from their laptop, tablet, or smartphone onto a display.
