The major features of a DBMS include:
A. data security and integrity
B. interactive query, data entry, and updating
C. data independence and data storage management
D. all of the above
E. only A and B
Answer: D
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When removing an element from a binary search tree that has two children, _______________________ will ensure that the resulting tree is still a binary search tree.
a) replacing it with its only child b) replacing it with its inorder successor c) simply deleting it d) all of the above e) neither a, b, nor c
Match each of the following networks to its definition:
I. WAN II. LAN III. MAN IV. PAN V. HAN A. links users in a specific geographic area (usually a city) B. network of two or more LANs C. a network in a small geographic area D. can be used for a small home-based business E. used by a single individual connecting devices using wireless media
?Suppose your computer network was compromised in a large scale virus attack last Thursday. Most of the data files got corrupted beyond repair. The last data backup was done the Sunday before the virus attack. This means your company has an adequate backup process in place.
Answer the following statement true (T) or false (F)
A consultant has been asked to install the brightest possible projector into an office conference room that has a lot of natural sunlight. Which of the following specifications would BEST meet the client's needs?
A. Highest possible resolution B. High lumens C. High contrast D. HDMI 1.4 compatibility