Unsolicited bulk e-mail is referred to as __________.
A. spam
B. propagating
C. phishing
D. crimeware
A. spam
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The table Faculty has 60,000 rows, each row occupies 100 bytes, and the database page size is 4 k bytes. The table contains an attribute City, indicating the city in which a professor lives, there are 50 cities with names city10 ...city50, and professors are randomly distributed over the cities. Assuming that pages in the index and data ?les are 100% occupied, estimate the number of page
transfers required for the following SELECT statement in each of the cases listed below. ``` SELECT F.Id FROM Facu lty F WHERE F.City > ’city10’ AND F.City < ’city21’ ``` a. The table has no index. b. The table has a clustered B+ tree index on City. Assume a (nonleaf) index entry has 25 characters. c. The table has an unclustered B+ tree index on City. Assume an index entry has 25 characters. d. The table has an unclustered B+ tree index on (City, Id). Assume an index entry has 40 characters. e. The table has an unclustered B+ tree index on (Id, City). Assume an index entry has 40 characters.
The item marked 1 in the accompanying figure is known as the ____.
A. Date Navigator B. Calendar pane C. Navigation Pane D. My Calendars pane
The LAMP stack consists of all of the following EXCEPT:
A) Apache. B) MySQL. C) PHP or Python. D) IIS.
Which tool is used to select objects that have similar pixel colors?
A. Clone Stamp tool B. Magic Wand tool C. Edge Highlighter tool D. Fill tool