The type of database that is connected by a company's local area networks is a(n):
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1 .Stonehenge Corporation utilizes severaldatabase management systems in its various application systems running at datacenter just north of London, England. Which of the following statements is/arecorrect for these databases? I. In a relational database, the data are stored in two-dimensional tables that are implemented by indexes and linked lists. II. Normalization is the process of separating data into logical tables. III. Object-oriented databases can be used to store comments, drawings, images, voice, and video that do not normally fit into more structured databases. Object-oriented databases are normally faster than relational databases.
A I, II, and III are correct. B II and III only are correct. C II only is correct. D III only is correct.
2 .Which of the following is a critical success factor in data mining a large data store?
A Image processing systems. B Pattern recognition. C Accurate universal resource locater (URL). D Effective search engines.
3 .Which of the following is a primary function of a database management system?
A Report customization. B Database access authorizations. C Financial transactions input. D Capability to create and modify the database.
4 .A value-added network (VAN) is a privately owned network that performs which of the following functions?
A Route data within a company's multiple networks. B Route data transactions between trading partners. C Provide services to send marketing data to customers. D Provide additional accuracy for data transmissions.
5 .The computer operating system performs scheduling, resource allocation, and data retrieval functions based on a set of instructions provided by the:
A Multiplexer. B Peripheral processors. C Job control language. D Concentrator.
7 .Aldridge Company manufactures and distributes basketballs at various factories in Texas. It controls its manufacturing, distribution, and accounting functions using a combination of Unix and Linux processors. Which of the following statements is correct with respect to its processors and Unix and Linux?
A Linux was originally developed to run on Unix processors. It was then converted to run on PCs. B The majority of Linux is written in the C programming language. C Unix was originally designed to run batch jobs and to take market share away from IBM mainframes. D The Unix operating system is divide...
8 .Which of the following structures refers to the collection of data for all vendors in a relational data base?
A Byte. B Field. C File. D Record.
9 .Which of the following statements concerning the Internet is correct?
A Sending international e-mail is slightly more expensive than sending domestic e-mail. B If a person has Internet access through an Internet Service Provider (ISP), audio and video signals can be transmitted over the Internet for no additional cost if that person has the appropriate hardware and so...
10 .All of the following are characteristics of Internet-based networks, except:
A Immediate transmissions. B High cost. C Use of public communications channels. D An increase in the number of potential trading partners.
