Author Question: Terrestrial microwave transmission a. requires repeaters in some cases b. requires line-of-sight ... (Read 123 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?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

For a complete list of videos, visit our video library