Author Question: The layer of Internet architecture that ties the applications to the communications network and ... (Read 109 times)

sammy

  • Hero Member
  • *****
  • Posts: 818
The layer of Internet architecture that ties the applications to the communications network and includes such services as security and authentication is called the:
 
  A) Network Technology Substrate layer.
  B) Middleware Services layer.
  C) Transport Services and Representation Standards layer.
  D) Applications layer.

Question 2

When talking about the physical elements of the Internet, the term redundancy refers to:
 
  A) transmitting multiple copies of a single packet to safeguard against data loss.
  B) the use of tiered high-speed switching computers to connect the backbone to regional and local networks.
  C) delays in messages caused by the uneven flow of information through the network.
  D) multiple duplicate devices and paths in a network built so that data can be rerouted if a breakdown occurs.



cam1229

  • Sr. Member
  • ****
  • Posts: 329
Answer to Question 1

B

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

For a complete list of videos, visit our video library