Indicate the answer choice that best completes the statement or answers the question.
1. A local toll road uses electronic tolling. Car owners who use the toll road attach a special electronic sticker to the
windshield. Devices mounted at various points along the highway read the number on the electronic sticker.
Which wireless technology is most likely being used?
a. Bluetooth
b. NFC
c. RFID
d. WiGig
ANSWER: c
2. The fastest cellular technology is:
a. 5G
b. 802.11
c. LTE Advanced
d. WiMAX
ANSWER: a
3. Where would WiGig be a better fit than Wi-Fi?
a. Connecting your desktop printer to the network
b. Connecting your family's laptops, smartphones, and tablets to your home's Internet connection
c. Setting up VoIP cordless phones so you can make phone calls without traditional landline telephone service
d. Transmitting high-quality audio and video to a powered device less than 2 meters away
ANSWER: d
4. WMANs use standards such as:
a. DSL
b. IEEE 802.11
c. IEEE 802.16
d. Optical fiber
ANSWER: c
5. How can wireless communications be made more secure?
a. Eliminate or move interfering devices such as photocopiers or microwave ovens.
b. Encrypt data transferred between the access point and wireless device.
c. Use RFID interrogators to verify the identity of all wireless signals.
d. Use headsets when talking on a cellular device so you can keep the device away from your head.
ANSWER: b
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6. This allows digital devices to combine voice, video, and text-processing capabilities, as well as to be connected to
business and home networks via the Internet.
a. AES
b. Digital convergence
c. IoT
d. Thread
ANSWER: b
7. You bring a smartphone and laptop computer to a coffee shop. Both devices support Wi-Fi. Which situation
would benefit from wireless tethering?
a. The coffee shop provides free Wi-Fi.
b. You connect your wireless headphones to either device.
c. You use your smartphone to pay for your order.
d. Wi-Fi isn't available in the coffee shop, but your smartphone can pick up a cellular signal.
ANSWER: d
8. The COVID-19 pandemic required rapid changes in the way businesses operated. How did wireless networking
contribute to those changes?
a. COVID-19 statistics were readily available online.
b. Multiple devices can easily connect to the same Wi-Fi network. This allowed multiple people to work or do
schoolwork from home without the installation of network cables.
c. Wireless networks are inherently more secure than the wired networks commonly seen in the office
environment.
d. Wireless home networks provided stronger signals with less interference than wired office networks.
ANSWER: b
9. You're responsible for setting up Internet access for your company's newest office in a remote rural area. The
location has basic utilities such as electricity and water, but there are no service providers offering wired Internet
connections in the area yet. What technology will allow you to connect the new office to the Internet without
running additional cables to the location?
a. GPS
b. T1
c. WiGig
d. WiMAX
ANSWER: d
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10. Your office's Wi-Fi network isn't performing as well as it should, and users have suggested several possible
reasons. Which reason is LEAST likely to cause the Wi-Fi network issues?
a. A microwave oven was installed in the breakroom adjacent to the wireless access point.
b. Far more people are using the Wi-Fi network.
c. Your office is next door to a local radio station's transmission tower.
d. Your office uses multiple wireless technologies such as Bluetooth, Wi-Fi, and ZigBee.
ANSWER: c
11. You are planning a new office. How can digital convergence and wireless networking simplify the planning and
construction of the office?
a. Cellular service providers are making it possible to watch live TV programming from anywhere where you
have cellular access.
b. Different wireless technologies operate at different frequencies, so interference isn't an issue.
c. VoIP and wireless networking reduce the need for additional wiring.
d. Wireless networks reduce the need for network security technologies.
ANSWER: c
12. How can wireless networking be useful during disaster recovery?
a. Company servers can be relocated to the cloud.
b. Disaster recovery plans can be made available online.
c. Recovery updates can be quickly posted online.
d. The office can be relocated without the need to install new network wiring.
ANSWER: d
13. WiGig uses this type of transmission technology:
a. Cable modem
b. Fixed broadband wireless
c. RFID
d. UWB
ANSWER: d
14. WLANs connect to wired LANs through this device:
a. RFID reader
b. Smartwatch
c. Wireless access point
d. Wireless network interface card
ANSWER: c
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15. Which scenario is more likely to use RFID instead of NFC?
a. Conduct inventory of products located up to 330 feet (100 m) away.
b. Devices transmit commands to each other.
c. Tag contents are reconfigured as needed.
d. Use credit cards without inserting or swiping them through a card reader.
ANSWER: a
16. Which scenario is more likely to use NFC?
a. Conduct inventory of products located up to 330 feet (100 m) away.
b. Connect an inkjet printer to a home LAN so everyone in the household can print documents.
c. Use credit cards without inserting or swiping them through a card reader.
d. Use your bank's app on your smartphone to deposit a check.
ANSWER: c
17. Each member of a family has at least one mobile device—laptop, smartphone, and/or tablet. The family has
Internet service through a wired connection from a local Internet service provider (ISP). The smartphones can
connect to the cellular carrier's network, but the other devices do not have cellular access. How can the family
use the ISP connection from all their mobile devices?
a. Set up one of the smartphones as a Wi-Fi hotspot.
b. Use a wireless router to set up a Wi-Fi network.
c. Use a wireless router to set up a WiMAX network.
d. Use a wireless router to set up a ZigBee network.
ANSWER: b
18. What is an advantage of wireless networking?
a. The health effects of wireless signals are well understood.
b. Users can connect to a network without being tethered by wires.
c. Wireless signals are free of interference that can corrupt data.
d. Wireless signals are inherently protected from eavesdropping.
ANSWER: b
19. Your headphones connect wirelessly to your smartphone. Which technology is most likely to be used?
a. 5G
b. Bluetooth
c. Wi-Fi
d. WiMAX
ANSWER: b
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