(Guide to Wireless Communications 3e Jorge Olenewa)
(Test Bank all Chapters)
Chapter 1
TRUE/FALSE
1. VoIP phones can carry analog data over the Internet.
ANS: F PTS: 1 REF: 3
2. WirelessHD can transfer video and sound at 7 Gbps and higher.
ANS: T PTS: 1 REF: 6
3. UWB WiGig has a range of up to 100 meters.
ANS: F PTS: 1 REF: 6
4. The ZigBee Alliance protocols enable devices like light switches to communicate with one
another.
ANS: T PTS: 1 REF: 22
5. RFID technology is implemented by roadside assistance services to link a vehicle and driver to a
central service center.
ANS: F PTS: 1 REF: 25
6. 4G technology uses 100% analog transmission for voice and data.
ANS: F PTS: 1 REF: 10
7. An AP connects wireless devices to the wired LAN.
ANS: T PTS: 1 REF: 11
8. DSL is an Internet access technology that uses cable TV lines to make a network connection.
ANS: F PTS: 1 REF: 14
9. The job market for wireless LAN professionals is saturated and likely to decline in coming years.
ANS: F PTS: 1 REF: 19
10. One advantage of wireless technology is that it is immune to interference sources.
ANS: F PTS: 1 REF: 30
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
, ANS: B PTS: 1 REF: 3
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
ANS: B PTS: 1 REF: 4
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
ANS: A PTS: 1 REF: 5
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
ANS: C PTS: 1 REF: 5
5. With what technology will you find radio modules and link managers?
a. RFID c. Wi-Fi
b. GPS d. Bluetooth
ANS: D PTS: 1 REF: 5
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
ANS: C PTS: 1 REF: 6
7. Automatic connections between what type of devices create a piconet?
a. VoIP c. Bluetooth
b. Infrared d. WirelessHD
ANS: C PTS: 1 REF: 7
8. In what type of wireless communication device will you find a repeater?
a. satellite c. antenna
b. NFC d. WNIC
ANS: A PTS: 1 REF: 8
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
ANS: B PTS: 1 REF: 9
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
, ANS: B PTS: 1 REF: 10
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
ANS: C PTS: 1 REF: 11
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
ANS: D PTS: 1 REF: 12,18
13. Which technology uses regular phone lines and transmits at speeds up to 256 Kbps?
a. POTS c. T1
b. ISDN d. cable modem
ANS: B PTS: 1 REF: 14
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
ANS: C PTS: 1 REF: 14
15. Where are you most likely to find the WAP2 protocol in use?
a. cellular phones c. tablets
b. laptops d. servers
ANS: A PTS: 1 REF: 16
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
ANS: C PTS: 1 REF: 20
COMPLETION
1. Smartphones can use software that allow them to make ______________ phone calls over a
wireless LAN instead of the cellular network.
ANS:
VoIP
Voice over IP
PTS: 1 REF: 4
2. Bluetooth communicates using small, low-power ______________ called radio modules.
ANS: transceivers
, PTS: 1 REF: 5
3. In the future, most barcode functions are likely to be replaced by ___________ tags including for
the purpose of inventory management.
ANS: RFID
PTS: 1 REF: 27
4. To protect confidentiality, wireless data can be ______________ between the access point and
wireless device, allowing only the recipient to decode the message.
ANS: encrypted
PTS: 1 REF: 31
5. The FCC, FDA, and EPA have established ________ exposure safety guidelines to limit the signal
absorption rate of wireless device users.
ANS:
RF
radio frequency
PTS: 1 REF: 31
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
7. remote sensors used for collecting data from manufacturing equipment or for
scientific research
8. wireless communications technology that allows devices to transmit data at hundreds of megabits
or even gigabits per second at short distances
9. a digital cellular technology that can send data at up to 21 Mbps over the cellular telephone
network
10. special software in Bluetooth devices that helps identify other Bluetooth devices
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller tutorsection. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.49. You're not tied to anything after your purchase.
