The hub of a city's telephone network, which has direct ...

[darbym82]

The hub of a city's telephone network, which has direct connections to businesses and residences, is known as
 
  a. the toll office
  b. the central office
  c. the toll-connecting trunk
  d. the tandem office

Question 2

The public network is also known as the
 
  a. direct distance dial network
  b. mesh network
  c. local area network
  d. Internet

[livaneabi]

Answer to Question 1

b

Answer to Question 2

a