« previous next »

Author Question: Which of the following methods uses high-frequency light waves to transmit signals on an ... (Read 125 times)

colton

  • Hero Member
  • *****
  • Posts: 627
on: Jul 7, 2018
Which of the following methods uses high-frequency light waves to transmit signals on an unobstructed path between nodes?
 
  A) Bluetooth
  B) wireless LAN
  C) high-frequency radios
  D) infrared line of sight
  E) microwave systems

Question 2

________ is the set of rules that governs how a given node or workstation gains access to the network to send or receive data.
 
  A) Packet switching
  B) Authentication service
  C) Source code
  D) Object-oriented language
  E) Media access control


billybob123

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 7, 2018
Answer to Question 1

D

Answer to Question 2

E


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Kinetic light sculptures Kinetic light sculptures
High Resolution Logo High Resolution Logo
Sample Diet for a College-Aged Female Weighing 132 Pounds, Assuming Light to Moderate Daily ... Sample Diet for a College-Aged Female Weighing 132 Pounds, Assuming Light to Moderate Daily ...
Eggs are an excellent source of protein, but egg yolks are high in cholesterol Eggs are an excellent source of protein, but egg yolks are high in cholesterol
A laser emits a pulse of light that lasts 10 ns. The light has a wavelength of 690 nm, and each ... A laser emits a pulse of light that lasts 10 ns. The light has a wavelength of 690 nm, and each ...
The relationship between recombination frequency and physical distance between genes The relationship between recombination frequency and physical distance between genes
Video: The Pressure Flow Model in a Plant

For a complete list of videos, visit our video library