CIS 513 Week 5 Midterm Exam – Strayer NEW



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Chapter 1 Through 4

Chapter 1 - Introduction to Wireless Communications

TRUE/FALSE

     1.   VoIP phones can carry analog data over the Internet.


     2.   WirelessHD can transfer video and sound at 7 Gbps and higher.


     3.   UWB WiGig has a range of up to 100 meters.


     4.   The ZigBee Alliance protocols enable devices like light switches to communicate with one another.


     5.   RFID technology is implemented by roadside assistance services to link a vehicle and driver to a central service center.


     6.   4G technology uses 100% analog transmission for voice and data.


     7.   An AP connects wireless devices to the wired LAN.


     8.   DSL is an Internet access technology that uses cable TV lines to make a network connection.


     9.   The job market for wireless LAN professionals is saturated and likely to decline in coming years.


   10.   One advantage of wireless technology is that it is immune to interference sources.


MULTIPLE CHOICE

     1.   What type of device is built into a tablet computer and can send data over radio waves to another device such as a laser printer?
a.
VoIP phone
c.
access point
b.
wireless NIC
d.
Ethernet NIC



     2.   How can VoIP over Wi-Fi help save money?
a.
by eliminating the need for a phone
c.
by reducing the cost of a smartphone
b.
by saving on cellular phone bills
d.
by not requiring an access point



     3.   Where would you most likely find RFID tags around the house?
a.
on product packages
c.
in the plumbing
b.
in the walls and ceilings
d.
on the electrical lines



     4.   What is the typical range for the use of Bluetooth?
a.
meters to kilometers
c.
inches to feet
b.
yards to miles
d.
millimeters to inches




     5.   With what technology will you find radio modules and link managers?
a.
RFID
c.
Wi-Fi
b.
GPS
d.
Bluetooth


                                

     6.   Which technology has a maximum range of about 10 meters, can transmit up to 10 Gbps, and is used to transmit high quality audio and video wirelessly?
a.
Wi-Fi
c.
UWB
b.
Bluetooth
d.
RFID


                                

     7.   Automatic connections between what type of devices create a piconet?
a.
VoIP
c.
Bluetooth
b.
Infrared
d.
WirelessHD


                                

     8.   In what type of wireless communication device will you find a repeater?
a.
satellite
c.
antenna
b.
NFC
d.
WNIC


                                

     9.   What kind of network is built around the concept of low-power transmitters built on towers that can use the same radio frequency channel?
a.
Wi-Fi 802.11 networks
c.
UWB A/V networks
b.
cellular telephone networks
d.
GPS tracking networks


                                

   10.   What type of cellular network uses 100 percent digital transmission for voice and data and can reach rates up to 150 Mbps?
a.
CDMA
c.
3G
b.
4G
d.
GSM



   11.   What kind of device does a WLAN use to facilitate communication between wireless computers?
a.
Ethernet switch
c.
access point
b.
GPS hub
d.
cell station



   12.   Which wireless standard provides for data transmission speeds up to 600 Mbps with a range up to 375 feet?
a.
802.11g
c.
802.16m
b.
WiGig
d.
802.11n



   13.   Which technology uses regular phone lines and transmits at speeds up to 256 Kbps?
a.
POTS
c.
T1
b.
ISDN
d.
cable modem



   14.   Which communication technology should you use if you need to connect three offices which are all within 3 miles of each other at speeds up to 75 Mbps using antennas?
a.
T1
c.
WiMax
b.
DSL
d.
ISDN



   15.   Where are you most likely to find the WAP2 protocol in use?
a.
cellular phones
c.
tablets
b.
laptops
d.
servers



   16.   What term refers to the combining of voice, video and text-processing and access to multiple network platforms from a single device?
a.
access aggregation
c.
digital convergence
b.
digital landscape
d.
network transparency



COMPLETION

     1.   Smartphones can use software that allow them to make ______________  phone calls over a wireless LAN instead of the cellular network.


     2.   Bluetooth communicates using small, low-power ______________ called radio modules.


          

     3.   In the future, most barcode functions are likely to be replaced by ___________ tags including for the purpose of inventory management.




     4.   To protect confidentiality, wireless data can be ______________ between the access point and wireless device, allowing only the recipient to decode the message.



     5.   The FCC, FDA, and EPA have established ________ exposure safety guidelines to limit the signal absorption rate of wireless device users.


MATCHING


a.
3G
f.
motes
b.
Bluetooth
g.
T1
c.
DSL
h.
UWB
d.
J2ME
i.
WiGig
e.
link manager
j.
WPAN


     1.   a wireless standard that enables devices to transmit data at up to 721.2 Kbps
over a typical maximum distance of 33 feet

     2.   a variation of the Java programming language designed for use in portable devices such as cellular phones

     3.   a very small network that typically extends to 10 meters or less

     4.   a technology used to transmit data over special telephone lines at 1.544 Mbps

     5.   an alliance of companies involved in developing a common wireless specification using the 60 GHz band

     6.   a technology used to transmit data over a telephone line


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