A characteristic or quality describing an entity is called a(n): A. key field. B

Question

A characteristic or quality describing an entity is called a(n): A. key field. B. tuple. C. table. D. field. E. attribute. A network that covers entire geographical regions is most commonly referred to as a(n): A. wide area network. B. local area network. C. intranet. D. metropolitan area network. TCP/IP was developed in the 1950s. True False Fiber-optic cable is more expensive and harder to install than wire media. True False Which of the following is the most prominent data manipulation language today? A. DB2 B. Hadoop C. SQL D. Access E. Crystal Reports DBMS simplify how end users work with databases by separating the logical and physical views of the data. True False

Explanation / Answer

1> c) a table is an entity.

2> a) a wide area network (WAN) spans upto large geographical regions. one or more country.

3> False. Because the first version of current TCP was written in 1973

4> True. Because fibre optic cable is very costly & very fragile so is very hard to install.

5> c)

6> True

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