In the example telephone systems enable people to talk to others ...

[drink]

In the example telephone systems enable people to talk to others across vast distances in real time, the phrase enable people to talk to others across vast distances in real time is the ________.
 
  A) requirement
  B) product
  C) problem domain
  D) problem space

Question 2

Reuse helps with ________.
 
  A) improving productivity
  B) managing complexity
  C) reducing costs
  D) all of the above

[sarajane1989]

Answer to Question 1

A

Answer to Question 2

D

[drink]

Thanks for the timely response, appreciate it

[xiaomengxian]

Great answer, keep it coming