The sort utility (Sobell, page 58) displays a file in alphabetical order. Use sort to display the days file you created in step 14 in alphabetical order.

If a network has the five nines of availability, how much downtime does it experience per year?

a. 30 seconds b. 5 minutes c. 12 minutes d. 26 minutes

A copy constructor, a destructor and an overloaded assignment operator are usually provided as a group for any class that uses dynamically allocated memory. With the addition of move semantics in C++11, you should also provide __________.

a. a move constructor b. a move assignment operator c. an overloaded move destructor d. both a. and b)