________ is the largest of the social networking sites and useful to keep in touch with friends and family, post photos, share links, and distribute information with people you identify as friends.
a. Facebook
b. LinkedIn
c. MySpace
d. Twitter
Answer: a. Facebook
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In JDK 1.5, analyze the following code.
``` Line 1: Integer[] intArray = {1, 2, 3}; Line 2: int i = intArray[0] + intArray[1]; Line 3: int j = i + intArray[2]; Line 4: double d = intArray[0]; ``` a. It is OK to assign 1, 2, 3 to an array of Integer objects in JDK 1.5. b. It is OK to automatically convert an Integer object to an int value in Line 2. c. It is OK to mix an int value with an Integer object in an expression in Line 3. d. Line 4 is OK. An int value from intArray[0] object is assigned to a double variable d.
A technique that uses illegally obtained information about individuals to perform targeted attacks in the hopes of getting them to reveal sensitive information is known as
a. spear phishing. b. pretexting. c. keystroke logging. d. logic bombing.
Consider the Is A relationship between Student(Id,Major) and Person(Id, Name). Write the triggers appropriate for maintaining this relationship: when a tuple is deleted from Person, the tuple with the same Id must be deleted from Student; when a tuple is inserted into Student, check whether a corresponding tuple exists in Person and abort if not. (Do not use the ON DELETE and ON INSERT clauses
provided by the FOREIGN KEY statement.) What will be an ideal response?
Many videos include the option to turn on subtitles, or closed captions so that users can watch the action on screen and read what is being said in the voice-over.
Answer the following statement true (T) or false (F)