Author Question: Which of the following is composed of bands of frequencies set aside by the Federal Communications ... (Read 67 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?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

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?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

For a complete list of videos, visit our video library