All of the following are ways to have meetings over the Internet except _____ .
A. blogs
B. webinars
C. webcasts
D. video conference
Answer: A
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Which of the following statements is false?
a. The method’s return type specifies the type of data returned to a method’s caller. b. Empty parentheses following a method name indicate that the method does not require any parameters to perform its task. c. When a method that specifies a return type other than void is called and completes its task, the method must return a result to its calling method d. Classes often provide public methods to allow the class’s clients to set or get private instance variables; the names of these methods must begin with set or get.
Consider classes A, B and C, where A is an abstract superclass, B is a concrete class that inherits from A and C is a concrete class that inherits from B. Class A declares abstract method originalMethod, implemented in class B. Which of the following statements is true of class C?
a. Method originalMethod cannot be overridden in class C—once it has been implemented in concrete class B, it is implicitly final. b. Method originalMethod must be overridden in class C, or a compilation error will occur. c. If method originalMethod is not overridden in class C but is called by an object of class C, an error occurs. d. None of the above.
Many tasks can be performed with SQL Server Management Studio, but to delete a database, you need to use a SQL statement in the SQLCMD command prompt.
Answer the following statement true (T) or false (F)
The logical path followed by network packets or frames may not fully match the physical layout.
Answer the following statement true (T) or false (F)