« previous next »

Author Question: Which of the following methods uses high-frequency light waves to transmit signals on an ... (Read 124 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?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Light-mantled Albatrosses regularly dive to feed, and can dive to below 12 m. Light-mantled Albatrosses regularly dive to feed, and can dive to below 12 m.
Frequency coding in the nervous system: Threshold stimulus. Frequency coding in the nervous system: Threshold stimulus.
Peptide Arrays - light-directed, spatially patterned oligopeptide synthesis Peptide Arrays - light-directed, spatially patterned oligopeptide synthesis
High net primary productivity High net primary productivity
A spaceship leaves Earth at a steady forward speed of 70% the speed of light. How fast relative ... A spaceship leaves Earth at a steady forward speed of 70% the speed of light. How fast relative ...
Response of corn selected for high and low oil content over 76 generations Response of corn selected for high and low oil content over 76 generations
Video: Oxygen transport - methods and oxyhemoglobin

For a complete list of videos, visit our video library