Info Chapter 8

The major types of wireless media are

satellite, radio, and microwave.

An advantage of a radio transmission system is that

signals pass through walls.

The rule of thumb in the wireless industry is that a smartphone uses 4 gigabytes of data per month where ____ percent travels through Wi-Fi.

75

The advantage of ________________ is they can be read over greater distances

Active RFID tags

Which of the following is NOT a limitation of bar codes? A: They can be easily ripped, soiled, or lost. B: They don't identify individual items. C: They don't identify the manufacturer. D: They require line of site.

C: They don't identify the manufacturer.

Which of the following technologies is wireless but NOT mobile? A: Smart phone B: Laptops C: Tablet computers D: Microwave towers

D. Microwave towers

______________ satellites are the most expensive to build and launch.

GEO

The adoption of __________ has been an important factor in the development of the Internet of Things

IPv6

Wi-Fi is a

LAN

GPS are supported by ______ satellites

MEO (medium earth orbit)

The use of multiple Wi-Fi access points to create a wide area network

Mesh Networks

Which of the following is the technology that enables most mobile wallet applications?

NFC

Facebook has discovered __________ are the most effective way of reaching consumers.

Native Ads

Marks & Spencer implemented _______ to track its inventory more effectively.

RFID

______________________ is the wireless transmission and receipt of data gathered from remote sensors.

Telemetry

_____________ means a mobile device can provide information and communication regardless of the user's location.

Ubiquity

_____________ is the act of locating WLANs while driving around a city.

War driving

Telecommunications around the world are shifting to ________ networks.

Wi-Fi

Using a hotspotter is useful for

creating a rogue access point

Efforts by unauthorized users to access data traveling over a wireless network is called

eavesdropping

A disadvantage of a microwave transmission system is that

it is susceptible to environmental interference.

Hotspots are an example of ______________ wireless networks.

medium-range

The two major characteristics that differentiate mobile computing from other forms of computing are _______ and _________

mobility; broad reach.

Retailers that use location-based services like iBeacon favor a(n) ___________ option to avoid alienating customers.

opt-in informed consent

An evil twin attack is a type of

rogue access point