Chapter 1 Intro to Wireless Communications
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| What is Ultra Wide Band technology primarily used for? | connecting devices inside the home at very high speeds
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| What are Bluetooth devices that communicate using small radio transceivers that are built onto microprocessor chips called? | radio modules
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| What provides a standard way to transmit, format, and display Internet data on cell phones? | WAP
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| How many Mbps (million bits per second) can IEEE 802.11g devices send and receive data? | up to 54 Mbps
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| What special software is used by each Bluetooth devices to help identify other Bluetooth devices? | link manager
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| Can Bluetooth send data through physical barriers, like walls? | true
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| Can Bluetooth devices transmit data at up to 1 Mbps over a distance of 33 feet (10 meters)? | true
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| Does a wireless network interface card perform basically the same functions and looks identical to a traditional network interface (NIC) card? | It looks similar to a traditional NIC, but has an antenna built into it and is not connected by a cable.
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| Does an earth station transmit to a satellite at one frequency and the satellite regenerates and transmits the signal back to earth at another frequency? | Yes
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| What are the disadvantages of a WLAN? | Radio signal interference, security issues, and health risks
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| The automatic connection between various Bluetooth devices creates a network called a(n) ________. | piconet or wireless personal area network (WPAN)
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| What is the maximum speed that the third generation (3G) cellular technology will allow data to be transmitted? | up to 2 Mbps
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| What does the wireless NIC send its signals through invisible radio waves to? | an access point
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| What uses wireless transmissions for data communications as much as 35 miles apart? | WMAN (wireless metropolitan area network)
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| What is the role of an access point in a WLAN? |
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| What does WAP stand for? | Wireless Application Protocol
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| How does a WAP cell phone work to send and receive Internet data? |
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| How can a WLAN be used in a classroom? |
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| How can wireless networks reduce installation time? |
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| How can implementing a wireless network be helpful in case of disaster recovery? |
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