Author Question: Which of the following is composed of bands of frequencies set aside by the Federal Communications ... (Read 63 times)

krzymel

  • Hero Member
  • *****
  • Posts: 548
Which of the following is composed of bands of frequencies set aside by the Federal Communications Commission (FCC) to support short-range, high-speed, wireless data communications?
 
  A. Unlicensed national information infrastructure (U-NII)
  B. Wireless local-area networks (WLANs)
  C. Wireless application protocol (WAP)
  D. Radio frequency identification (RFID)

Question 2

Both analog and digital land-mobile systems depend on __________ to provide wide-area coverage.
 
  A. software-based signal-processing
  B. repeaters
  C. ADC converters
  D. local oscillators



mariahkathleeen

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

A

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

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 lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

For a complete list of videos, visit our video library