The first rule of computer security is to check ___________
a. Patches
b. Ports
c. Policies
d. None of the above
Answer A. The operating system, database management systems, development tools, and Internet browsers should be checked for patches.
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If an app needs to perform a derived-class-specific operation on a derived class object reference by a base class variable, the app must first cast the base class reference to a derived class reference through a technique known as _________.
a) downcasting b) upcasting c) decreasecasting d) increasecasting
Here are the results from a series of card-sorting sessions. The first item in each group is the name that users gave to the group. The remaining items represent content pages. A hierarchical navigation system is appropriate for this information. Sketch a global navigation system that has two levels of horizontal navigation bars. You only need to sketch the top-level navigation bar once, but your sketch should give an indication of what each secondary navigation bar will contain.
A group of statements that executes as a single unit is a(n) ____.
A. module B. unit C. bunch D. block
Expert systems capture the knowledge of human experts and store it in a knowledge base.
Answer the following statement true (T) or false (F)