« previous next »

Author Question: The PSTN core is organized as a ________. A) mesh B) hierarchy C) modified hierarchy D) ... (Read 89 times)

craiczarry

  • Hero Member
  • *****
  • Posts: 527
on: Jul 7, 2018
The PSTN core is organized as a ________.
 
  A) mesh
  B) hierarchy
  C) modified hierarchy
  D) loop

Question 2

Ethernet standards are specified at the ________ layer.
 
  A) physical
  B) internet
  C) both A and B
  D) neither A nor B


prumorgan

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jul 7, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

The hierarchy of biological classification's eight major taxonomic ranks. The hierarchy of biological classification's eight major taxonomic ranks.
All organs are organized arrangements of various tissues All organs are organized arrangements of various tissues
An experimentally made Oldowan type core. An experimentally made Oldowan type core.
Upper Paleolithic stone tools include blade-based tools as seen here being produced from a blade cor Upper Paleolithic stone tools include blade-based tools as seen here being produced from a blade cor
An 1891 cartoon blames immigrants for the ills of American society: anarchy, socialism, mayhem, and An 1891 cartoon blames immigrants for the ills of American society: anarchy, socialism, mayhem, and
Concrete Pathway (Modified Offset Method) Concrete Pathway (Modified Offset Method)
Video: Introduction to Sleep Apnea

For a complete list of videos, visit our video library