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CWNA GUIDE TO WIRELESS LANS, CHAPTER 1-4 QUESTIONS AND ANSWERS UPDATED 2024 [ 25
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CWNA GUIDE TO WIRELESS LANS, CHAPTER 1-4 QUESTIONS AND ANSWERS UPDATED 2024 [ 25
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CWNA GUIDE TO WIRELESS LANS, CHAPTER 1-4QUESTIONS AND ANSWERS UPDATED 2024 [ 25
GPS ANS -Consists of 27 earth-orbiting satellites that allow precise positioning of equipment.
Radio Frequency Identification (RFID) ANS -Tags that emit a wireless data signal containing an ID
number. Works with WMS to track inventory.
Manufacturing Examples: ANS -RFID tags are often used
When additional parts are needed on a production line, workers press call buttons to request stock.
Battery-powered tags transmit the request wirelessly.
Inventory can quickly be delivered to eliminate a slow down in the production line.
Wireless Technology ANS -Can also be used in other medical areas: e.g., video pills.
Hotspot ANS -Locations where wireless data services are available.
Backhaul Connection ANS -An organization's internal infrastructure connection between two or more
remote locations.
Wireless Personal Area Network (WPAN) ANS -Close proximity to other devices (max distances is
generally 33 feet)
Bluetooth ANS -WPAN technology that uses short-range transmissions. Enables users to connect
wirelessly to devices such as notebook/tablet computers, smartphones, and other portable devices.
Wireless Local Area Networks (WLANs) ANS -Transmission speeds can range up to 600 Mbps.
Wireless Metropolitan Area Network (WMAN) ANS -WMAN: designed for devices in a broader area of
coverage or at higher speeds.
A WMAN coverage area could range from several city blocks to an entire small city.
, Some WMAN technologies use light impulses to send and receive data.
Certified Wireless Network Professional (CWNP) Organization ANS -Their goal is to educate professionals
in the technology of enterprise WLAN products. They also help professionals manage a wireless LAN.
Certified Wireless Network Professional (CWNP) ANS -Offers multiple multiple wireless LAN
certifications.
Certified Wireless Network Administrator (CWNA) ANS -Foundation level wireless LAN certification for
the CWNP program.
Infrared Transmissions ANS -Can send data by the intensity of the infrared light wave. Transmissions can
either be directed or diffused.
Light Spectrum ANS -visible and invisible light
Infrared Light ANS -Can be used for wireless transmissions; invisible
Emitter ANS -Device that transmits a signal
Detector ANS -Device that receives a signal.
Directed Transmission ANS -Requires that the emitter and detector be directly aimed at one another in a
line of sight (LoS) path.
Diffused Transmission ANS -Relies on reflected light; Emitters have a wire-focused beam instead of
narrow and are pointed at a ceiling (reflection point)
Infrared Transmissions ANS -Have a lack of mobility, limited range, confined to indoor use, slow
transmission speed.
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