Deck 6: Collaboration Tools and Wireless Networks

Question 1

A simplex channel supports communications in only one direction,like the circuit in your home that connects the doorbell to a ringer.

Answer 1

True

Question 2

Public Wi-Fi networks usually default to nonencrypted communications.

Answer 2

True

Question 3

Collaboration tools,including instant messaging,Web conferencing,and desktop sharing,will continue to help virtual teams stay connected and work collaboratively and productively.

Answer 3

True

Question 4

Free hot spots often are provided by businesses or governments that seek to offer a worthwhile service to customers,citizens,and visitors.

Question 5

Both the base station and cell phone transmitter operate at relatively high power levels.

Question 6

Almost all Wi-Fi networks are operated free of charge.

Question 7

The capability to identify and launch new services quickly is a critical success factor in the telecommunications industry.

Question 8

A growing number of organizations are restricting employees from creating their own personal blogs.

Question 9

Remote log-in allows users to connect to their office computer while they are away from the office.

Question 10

In many countries,3G networks do not use the same radio frequencies as 2G,so 3G service providers must build entirely new networks and license entirely new frequencies.

Question 11

Manufacturers typically ship their products with a unique default SSID name for security purposes.

Question 12

Over time,the way people collaborate has evolved starting with communications over distances via smoke signals,to face-to-face sign language and verbal communications,to telegraph,and telephone.

Question 13

CDMA systems can provide between 20 to 30 times the call carrying capacity of analog equipment.

Question 14

A wiki workspace is an area hosted by a Web server in which project members and colleagues can share documents,models,photos,and other forms of information to keep each other current on the status of projects or topics of common interest.

Question 15

City officials have been attracted to the idea of establishing wireless networks for use by meter readers and other municipal workers,as well as providing low-cost Internet access to its citizens and visitors.

Question 16

A cell phone uses two frequencies to support each call,thus creating a full-duplex communications link.

Question 17

The BlackBerry,manufactured by Research in Motion,makes mobile e-mail an option and has changed the lives of busy workers by breaking down the walls between work and home and allowing for an easier nine-to-five work schedule.

Question 18

Wi-Fi uses a licensed spectrum to provide access to a network,typically covering only the network operator's own property.

Question 19

EDGE defines new signal modulation schemes that will permit much higher data rates to be achieved in GSM and TDMA networks.

Question 20

Most laptop computers come with built-in wireless transmitters and software to enable computers to discover automatically the existence of a Wi-Fi network.

Question 21

____ is essential to the success of every human endeavor,from building great cities,to waging war,to running a modern organization.

A) Co-working
B) Collaboration
C) Collocation
D) Communication

Question 22

Wi-Fi operates at ____.

A) 800 MHz
B) 2.4 GHz or 5 GHz
C) 1900 MHz
D) 2.4 MHz or 5 GHz

Question 23

Intel is making its Centrino laptop computers WiMAX-enabled and is partnering with Clearwire to push the technology even further ahead.

Question 24

Each cell phone service provider establishes its own ____ to manage communications across a number of cells.

A) MTSO
B) MSTO
C) OMTS
D) TMSO

Question 25

The electromagnetic spectrum is divided into ____ bands.

A) frequency
B) spectrum
C) digital
D) spectral

Question 26

In many respects,WiMAX operates like Wi-Fi,only over greater distances and at faster transmission speeds.

Question 27

____ is a type of network connection that provides faster data transfer rates than GPRS over a similar-sized area.

A) WAN
B) EDGE
C) LAN
D) MAN

Question 28

If you trust the wireless providers that operate in your area,you should set your wireless card to connect automatically to any available network.

Question 29

The frequency at which a signal is transmitted is measured in cycles per second called ____.

A) Newton
B) Franc
C) Hertz
D) Quark

Question 30

Organizations use ____ tools to hold virtual meetings and deliver training to employees,business partners,shareholders,and customers around the world.

A) bridging
B) netting
C) networking
D) work-netting

Question 31

A single WiMAX tower can provide up to 5,000 square miles of coverage,so only a few towers are needed to cover an entire city.

Question 32

Wi-Fi is a wireless communications technology brand owned by the Wi-Fi Alliance,which includes more than ____ technology companies.

A) 150
B) 200
C) 250
D) 300

Question 33

Organizations are using ____ tools to get closer to customers by allowing them to try new products,identify issues,and make recommendations for improvement-all before the new product even goes into a formal test market.

A) collaboration
B) communication
C) co-working
D) collocation

Question 34

Intel is betting that over time,Wi-Fi will achieve universal acceptance just as WiMAX has.

Question 35

____ is a digital cell phone service that operates at an increased bandwidth to enable data transfer rates of up to 3 Mbps.

A) 1G
B) 2G
C) 3G
D) 4G

Question 36

The telecommunications industry is highly competitive and companies are scrapping to gain a competitive edge through the introduction of ____ services.

A) cutting-edge
B) wireless-generation
C) modern-edge
D) next-generation

Question 37

____ is a type of mobile data service available to users of GSM mobile phones that provides fast data transfers over a very large area.

A) GMRS
B) TDMA
C) GPRS
D) FRS

Question 38

_____ offers real-time,informal communications based on the often rapid exchange of typed messages.

A) Electronic mail
B) Instant messaging
C) Postal mail
D) Blogging

Question 39

A ____ is a Web site in which contributors provide ongoing commentary on a particular subject.

A) log
B) blob
C) glob
D) blog

Question 40

The first generation of cell phones operated in the ____-MHz range of the electromagnetic spectrum and employed analog technology.

A) 650
B) 700
C) 750
D) 800

Question 41

Access points and routers all use a network name called the ____.

A) service identifier
B) broadcast identifier
C) set identifier
D) service set identifier

Question 42

The cell ____________________ station continuously monitors the signal strength of each call within its range.

Question 43

___________________ is the range of frequencies that an electronic signal occupies on a given transmission media.

Question 44

If the router fails or if too many people try to use the Wi-Fi network at one time,the users can experience ____ or dropped connections.

A) inference
B) contention
C) interference
D) collisions

Question 45

Wi-Fi is based on the set of ____ networking standards.

A) 802.1
B) 802.3
C) 802.11
D) 802.0

Question 46

Forward-thinking telecommunication companies require a highly agile technical ____________________ to conceive,test,launch,and commercialize new voice and data services.

Question 47

Web ____________________ is a way to conduct live meetings or presentations over the Internet.

Question 48

The area covered by one or more interconnected wireless access points is called a ____.

A) hot spot
B) wireless spot
C) joint spot
D) coverage spot

Question 49

___________________ software allows people to capture and record scheduled meetings and events.

Question 50

Today we use electronic messaging and networking tools over ____________________ networks.

Question 51

Transmissions in a line-of-sight service are in the ____frequency range,making the line-of-sight option much faster than non-line-of-sight service.

A) 10-MHz to 66-GHz
B) 10-GHz to 66-GHz
C) 10-MHz to 66-MHz
D) 10-Hz to 66-Hz

Question 52

The most common wireless encryption standard,____,is easily broken.

A) SSID
B) WEP
C) WPA
D) WPA2

Question 53

A(n)____________________ is a collaborative Web site that allows users to create and edit Web page content freely using any Web browser.

Question 54

The cell phone communications area is divided into ___________________ cells.

Question 55

A(n)____________________ is a digital media file distributed over the Internet using syndication feeds for playback on portable media players and personal computers.

Question 56

____ is a key component of Intel's broadband wireless strategy to deliver innovative mobile platforms for "anytime,anywhere" Internet access.

A) WiFi
B) WiMAX
C) WiWAN
D) WiBroad

Question 57

A(n)____ option for WiMAX is one in which a fixed-dish antenna points at the WiMAX tower from a rooftop or pole.

A) out-of-sight
B) sight-line
C) line-of-sight
D) direct-sight

Question 58

____ is the common name for a set of 802.16 wireless metropolitan-area network standards that support different types of communications access.

A) WiMAX
B) WiFi
C) WiBroad
D) WiWAN

Question 59

WiMAX can support data communications at a rate of ____ Mbps.

A) 40
B) 50
C) 60
D) 70

Question 60

Cell phones operate in the radio frequency range of the ____________________ spectrum.

Question 61

Discuss why security is an important issue for Wi-Fi users.

Question 62

Discuss transmission media.

Question 63

All Wi-Fi equipment supports some form of ____________________ technology,which scrambles messages so that they cannot be read easily.

Question 64

The distance between the WiMAX tower and antenna for the line-of-sight option can be as great as ____________________ miles.

Question 65

____________________ is a term that describes the next evolution in wireless communications beyond 3G.

Question 66

Some cellular companies are evaluating WiMAX as a means of increasing ____________________ for a variety of data-intensive applications.

Question 67

Discuss the two basic forms of wireless service that WiMax can provide.

Question 68

The SSID is a(n)_____________________-character unique identifier attached to the data packets sent over the wireless network.

Question 69

Discuss 4G.

Question 70

Discuss Webcasts and Webinars.