Mod 6 compsci

If a person intentionally or unintentionally interferes with your wireless network transmissions, they are ________.

RF jamming

Which of the following is NOT a barrier to Wi-Fi expansion?

Usability

________ transmission systems can have a large coverage area but are expensive

Satellite

_________ is a system in which any object, natural or manmade, has a unique identity and is able to send and receive information over a network without human interaction.

The IoT

GPS uses the known speed of the signals and distance from ________ satellite(s) to find the location of a receiving station or user.

3

________ is a short-range wireless network.

Bluetooth

________ refers to efforts by unauthorized users to access data that are traveling over wireless networks.

Eavesdropping

GPS are supported by _________ satellites

MEO

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

Mesh networks

________ transmission systems are relatively inexpensive but must have unobstructed line of sight.

Microwave

________ is a short-range wireless network.

NFC

All of the following statements regarding QR codes are true except:

QR codes can only store information that is comprised of numbers or text.

_________ allows manufacturers to attach tags with antennas and computer chips on goods and then track their movement through radio signals.

RFID

The technology that uses radio waves to identify individual items is

Radio-frequency identification

Which of the following statements about wireless devices is not true?

They have strong security feature that make them impossible to hack.

Firemen often use ________ to communicate with each other in burning buildings.

UWB

If you bring your own router to school to set-up Wi-Fi but do not have permission from your university to do this, this is ________.

a rogue access point

If someone simulates a valid wireless access point to get people to provide usernames, passwords, and account numbers without that person's knowledge, this is ________.

an evil twin attack

The biggest problem with using wireless networks is ________.

security

A(n) _________ is a new class of digital communication device that provides an organizer, cell phone, digital camera, access to e-mail, Internet access, and short message service.

smart phone