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NETW 589 Week 8 Final Exam

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NETW 589 Week 8 Final Exam

(TCO A) How do analog and digital signals differ? Describe the pattern. (Points : 25)

 

Analog technology translates information into electric pulses that have various…

(TCO A) How is information conveyed using FM (frequency modulation)? (Points : 25)

 

Information is conveyed using FM by beginning with a sine signal that serves as a…

(TCO B) Define circuit switching and packet switching. Explain why one is more appropriate for data. (Points : 25)

 

Circuit switching and packet switching are technologies used for…

(TCO B) What organizations have responsibility for standards covering more than one nation? (Points : 25)

 

These organizations are the ETSI (European Telecommunications Standards Institute) and the…

(TCO C) What is the difference between a BSS and an ESS? (Points : 10)

 

A BSS (Basic Service Set) refers to a network that contains only…

(TCO C) How many types of frames are used on a wireless network and what are they? (Points : 10)

 

There are three wireless frame types, such as the management frames, the control frames, and the…

(TCO C) Which security standard is compatible with the 802.11i standard and which ones are not? (Points : 10)

 

WPA (Wired Protected Access) and WPA2 (Wi-Fi Protected Access 2) are compatible with the…

(TCO C) Why does implementing RTS/CTS help speed data transmission? (Points : 10)

 

The RTS/CTS (Request to Send/Clear to Send) function is an 802.11 standard feature that controls…

(TCO C) What are the primary components of a WLAN? (Points : 10)

 

The three primary types of WLAN components are the wireless network cards, the wireless access points, and…

(TCO D) What is the difference between baseband and broadband? (Points : 15)

 

In baseband, data is transmitted as data signals through the media. It serves as a…

(TCO D) What is meant by the “last mile?” Why is the “last mile” problematic in terms of data transmission? (Points : 15)

 

The last mile technology refers to the telecommunications technology that connects the…

(TCO E) What is the main problem with using GEO satellites for data links? (Points : 15)

 

A geostationary satellite (GEO) is a satellite that orbits the earth, placed around 35,800 kilometers directly above the…

(TCO E) Explain the differences between 1G, 2G, and 3G networks. (Points : 25)

 

In 1G, data is transmitted in analog form and can be used only for making calls and sending text messages. Its network…

(TCO F) What is the purpose of a blocker tag? (Points : 15

 

The blocker tag is a RFID (radio frequency identification) tag that helps consumers manage their…

(TCO F) How does RFID work? (Points : 25)

 

The RFID (Radio frequency identification) system uses tags that are attached to all items and that are used for…

(TCO G) AMPS operates in what frequency range? (Points : 15)

 

AMPS (Advanced Mobile Phone Service) is a standard system for cellular telephone services in the United States and…

(TCO G) Describe an efficient way to accomplish a widespread rollout of a new wireless system. (Points : 25)

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