Author Question: How many DNS root servers are there? A) 1 B) 2 C) 10 D) 13[br][br][b][color=green]Question ... (Read 52 times)

ss2343

  • Hero Member
  • *****
  • Posts: 548
How many DNS root servers are there?
 
  A) 1
  B) 2
  C) 10
  D) 13

Question 2

The e-commerce model in which all of the participants are businesses or other organizations is called
 
  A) business-to-consumer.
  B) business-to-business.
  C) business-to-business-to-consumer.
  D) consumer-to-consumer.



allisonblackmore

  • Sr. Member
  • ****
  • Posts: 330
Answer to Question 1

D

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

For a complete list of videos, visit our video library