Author Question: Terrestrial microwave transmission a. requires repeaters in some cases b. requires line-of-sight ... (Read 119 times)

Zoey63294

  • Hero Member
  • *****
  • Posts: 539
Terrestrial microwave transmission
 
  a. requires repeaters in some cases
  b. requires line-of-sight between the transmitter and receiver
  c. is subject to noise and interference
  d. all of the above

Question 2

Optical transmission of ATM signals in North America is often done using
 
  a. SDH
  b. STM-N
  c. OC-N
  d. STS-N



TheNamesImani

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

d

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

For a complete list of videos, visit our video library