Which of the following task would a database administrator perform? A. identify computer security protocols

B. Make sure protocols are in place and are being followed

C. listen to employees describe problems with their software and hardware

D. Redesign a software program that contains bugs

Assume the existence of a bankaccount class. define a derived class, savingsaccount that contains two instance variables: the first a double, named interestrate, and the second an integer named interesttype. the value of the interesttype variable can be 1 for simple interest and 2 for compound interest. there is also a constructor that accepts two parameters: a double that is used to initialize the interestrate variable, and a string that you may assume will contain either "simple", or "compound", and which should be used to initialize the interesttype variable appropriately. there should also be a pair of functions getinterestrate and getinteresttype that return the values of the corresponding data members (as double and int respectively).

Based on your knowledge of a good network, describe what you think is a perfect network would be. what kind of information and resources could users share on this network. what would the network administrator do? what kind of communication would be used?

What was the advantage of using transistors instead of vacuum tubes in the second-generation computers? a. computers were drastically reduced in size. b. computers no longer produced errors. c. computers became affordable. d. computers could run on electricity.