The following statements are true about a data source except
a. a data source is usually a database.
b. a data source can be a text file.
c. Data sets contain data retrieved from a data source.
d. Data can be retrieved from but not written back to a data source.
d. Data can be retrieved from but not written back to a data source.
Computer Science & Information Technology
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The keyword sealed is applied to methods and classes to:
a) prevent overriding and inheritance b) guarantee an implementation exists c) specify a class is concrete d) None of the above.
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What will be an ideal response?
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The first step in scanning networks is to check for live systems.
a. true b. false
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What will be an ideal response?
Computer Science & Information Technology