Preventive maintenance of a system involves ________. A) ...

[ereecah]

Preventive maintenance of a system involves ________.
 
  A) making changes to an information system to repair flaws in the design
  B) making enhancements to improve processing performance or interface usability
  C) making changes to a system to reduce the chance of future system failure
  D) adding desired, but not necessarily required system features
  E) making changes to an information system to accommodate changing business needs

Question 2

In SQL Query Analyzer, the statement used to retrieve client's contact with emails that
  end in net, from zip codes 03223 and 03264, would be __________.
 
  Fill in the blanks with correct word

[Kingjoffery]

Answer to Question 1

C

Answer to Question 2

Select contact, email, zipcode From client Where email Like 'net' And (zipcode = '03223' Or zipcode = '03264')

[ereecah]

Gracias!

[adammoses97]

Excellent