Which database data type is a collection of binary data stored in a single field of a database?
A. Memo
B. Integer
C. BLOB
D. Logical
Answer: C
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Which of the following is a free packet sniffer that is available for both Windows and Macintosh systems?
A) Wire shark B) Ether Detect C) Comm View D) Microsoft
Suppose that you decide to convert Is A hierarchies into the relational model by adding a new attribute (such as Status in the case of Student entities, the second option for representing Is A hierarchies). What kind of problems exist if subentities are not disjoint (e.g., if a secretary can also be a technician)? What problems exist if the covering constraint does not hold (e.g., if some employees are not classi?ed as either secretary or technician)?
What will be an ideal response?
What is the best approach to establishing strong security with passwords?
A. Keep passwords short so you can remember them B. Use the same password for many sites C. Keep a written log of your passwords D. Use technology for managing passwords
A ________ can run on its own
A) Sub procedure B) line continuation character C) function D) procedure