IS251 Chapter 8

Today, most wireless local area networks use the _____ standard, which can transmit up to 54 Mbps and has a range of about 300 feet.

802.11g

Individuals are finding it convenient and productive to use wireless devices for which of the following reasons?

All of the above

With regard to mobile computing, _____ means that it is easy and fast to access the Web and other mobile devices.

B and C

Which of the following is the most appropriate wireless networking standard for creating personal area networks?

Bluetooth

_____ is a wireless standard that enables temporary, short-range connection between mobile devices.

Bluetooth

_____ communicate(s) via radio waves using radio antennas placed within adjacent geographic areas.

Cell phones

The capabilities of smart phones include all of the following except _________.

Corporate transaction processing

_____ refers to efforts by unauthorized users to access data traveling over wireless networks.

Eavesdropping

Although rogue access devices can be installed innocently, they can also be installed by an attacker trying to gain unauthorized access to a wireless network. In such cases, these devices are called an _____.

Evil twin

The major problem with RFID has been _______.

Expense

The area of the earth reached by a satellite's transmission is referred to as its _____.

Footprint

Which type of satellite has the largest footprint?

Geostationary

_____ is a satellite-based tracking system that enables users to determine a person's position.

Global positioning system

Microwave transmission systems are used for _____ volume, _____ distance, _____ communications.

High, long, line-of-sight

A small geographical perimeter within which a wireless access point provides service to a number of users is called a ________.

Hotspot

The development of mobile commerce is driven by all of the following factors except:

Increasing prices.

The most common wireless technology for TV and DVD remote control devices is _______.

Infrared

With regard to mobile computing, _____ means that knowing where a user is physically located is a key to offering relevant products and services.

Localization of products and services

Putting ads on top of taxicabs in New York City that change as the cabs travel around the city is an example of ________.

Location-based advertising

_____ networks use multiple Wi-Fi access points to create a wide area network.

Mesh

The two major characteristics that differentiate mobile computing from other forms of computing are ______ and ________.

Mobility, broad reach

_____, with the shortest range of any wireless network, is designed to be used with contactless credit cards.

Near-field communications

Unfortunately, many managers consider smart phones as only _____, rather than as _____ that can transmit wirelessly.

Phones, digital cameras

The greatest problem with GEO satellites is which of the following?

Propagation delay

In _____, a person or a device intentionally or unintentionally interferes with your wireless network transmissions.

RF jamming

Which of the following is not an advantage of radio?

Radio waves do not create electrical interference problems.

The generic term for technologies that use radio waves to automatically identify individual items is __________.

Radio-frequency identification

A(n) _____ allows unauthorized entry into a wireless network.

Rogue access point

What would be the best use of RFID in a business?

Supply chain management

_____ refer(s) to the wireless communication of location-based information and control messages to and from vehicles and other mobile assets.

Telematics

_____ is the science that measures physical remoteness by means of wireless transmission from a remote source to a receiving station.

Telemetry

Which of the following is not inhibiting faster Wi-Fi expansion?

The growth of WiMAX

Of the following, which is the major problem with smart phones?

They can be used to compromise security.

Which of the following is not a limitation of barcodes?

They identify the manufacturer, product, and item.

Sense networks track users via all of the following technologies except _______.

Traffic cameras

Which of the following is not a mobile application in financial services?

Transaction processing systems

Which of the following is the most appropriate wireless technology for real-time location of caregivers and mobile equipment in healthcare environments?

Ultra-wideband

The act of locating wireless local area networks while moving around a city is called ____.

War driving

The main problem with radio transmission is which of the following?

When you travel too far from the source, the signal fades.

Which of the following statements about Wi-Fi is not correct?

Wi-Fi is expensive to set up.

The _____ standard can transmit up to 75 Mbps and has a range of 31 miles.

WiMAX

Parking meters that you can pay via your mobile telephone are an example of _________.

Wireless electronic payment

If you buy a hot dog at a concession stand using your contactless credit card, you are using a ________.

Wireless electronic payment system

_____ networks collect data from many points over an extended space.

Wireless sensor

Which of the following can be used for reading utility meters without a person having to get out of a truck?

ZigBee