What language interface would a database administrator use to establish the structure of database tables?
Answer(s): A
The schema is a description of the overall logical structure of the database using data definition language DDL), which is the connection between the logical and physical structure of the database. DDL is used to define, or determine, the database.
Query facilities for a database system would most likely include all of the following except:
Answer(s): C
The least likely feature of a query tool would be a data validity checker because the database system has already enforced any validity constraints at the time the data were inserted in the database. Any further data validity checking would be a function of a user application program rather than a query.
Which of the following would be the most appropriate starting point for a compliance evaluation of software licensing requirements for an organization with more than 15,000 computer workstations?
The logical starting point is to determine the point(s) of control. Evidence of license compliance can then be assessed. For example, to shorten the installation time for revised software in a network, an organization may implement electronic software distribution ESD), which is the computer-to-- computer installation of software on workstations. Instead of weeks, software distribution can be accomplished in hours or days and can be controlled centrally. Another advantage of ESD is that it permits tracking or metering of PC program licenses.
Use of unlicensed software in an organization:I). Increases the risk of introducing viruses into the organizationII). Is not a serious exposure if only low-cost software is involvedIII). Can be detected by software checking routines that run from a network server
Answer(s): D
Antivirus measures should include strict adherence to software acquisition policies. Unlicensed software is less likely to have come from reputable vendors and to have been carefully tested. Special software is available to test software in use to determine whether it has been authorized.
The Internet consists of a series of networks that include:
The Internet facilitates information transfer between computers. Gateways are hardware or software products that allow translation between two different protocol families. For example, a gateway can be used to exchange messages between different email systems.
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