An intrusion detection system replaces a firewall on your network.
a. true
b. false
Answer: b. false
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Answer the following statements true (T) or false (F)
1. In a general sense, a class is a collection of statements that performs a specific task. 2. If a specific task is performed in several places in a program, a method can be written once to perform that task and then be executed any time it is needed. 3. Every method must have a nonempty parameter list. 4. A method definition has two parts: a header and a body. 5. The statements that make up the method body are enclosed inside a set of curly braces.
What will the frameset produced by the following code look like? Assume that the pages being imported are blank with white backgrounds and that the dimensions of the screen are 800 by 600. Sketch the layout, approximating the dimensions.
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```____ makes an existing file available for data to be added to the end of the file; if the file opened does not exist, a new file with the designated name is created and made available to receive output from the program.
A. fileOut = fopen("prices.dat","r"); B. fileOut = fopen("prices.dat","w"); C. fileOut = fopen("prices.dat","a"); D. fileOut = fopen("prices.dat","b");
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.