Exam 6: Telecommunications and Networks

Microwave is a high-frequency signal sent through the air via line-of-sight, often between Earth-based stations or between Earth-based stations and satellites.

Alex must protect his research data when it is sent abroad for review.What measures will he use to protect his data?

Who creates smartphone applications?

____________________ refers to the rate at which data is exchanged, usually measured in bits per second.

A(n) ____________________ is any material substance that carries an electronic signal to support communications between a sending and receiving device.

What is the name given to communication services operating over a total fibre-optic network?

At Athabasca University in Alberta, distance learning is made possible via the use of telecommuting.

What is one way to help safeguard a wireless network?

Describe how GPS positioning works.

Telecommunications devices relay signals between computer systems and transmission media.

____________________ is a low-cost form of wireless communications technology often used in security systems and heating and cooling systems.

What device converts a signal from binary or analog form into a signal of another form?

The Internet is an example of a packet switching network that uses the packet switching protocol called ____________________.