A user moves a laptop from one office to another. The patch cable and the network adapter do not appear to be working properly at the new office. The cable is plugged in correctly and tests okay when checked with a patch tester. Which of the following should be done first?
a. Check whether the port on the switch is enabled
b. Update the network adapter driver.
c. Replace the patch cable with a crossover cable
d. Make sure the network adapter is compatible with the OS
Answer: a. Check whether the port on the switch is enabled
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(Calculator GUI) Many components have the same kinds of properties as JLabels. For instance, JButtons also have size, location and text properties. In this exercise, you will cus- tomize the plus (+) JButton in the Calculator GUI shown in Fig. 2.35.
a) Copying the template to your working directory. Copy the C:Examples Tutorial02ExercisesCalculator directory to your C:SimplyJava directory.
b) Opening the Command Prompt window and changing directories. Open the Command Prompt by selecting Start > Programs > Accessories > Command Prompt. Change to your working directory by typing cd C:SimplyJavaCalculator, then pressing Enter.
c) Compiling the template application. Compile your application by typing the command javac Calculator.java, then pressing Enter.
d) Running the template application. Run the application by typing java Calculator.
The GUI of the Calculator template application should appear as shown in Fig. 2.36. Notice that the plus (+) JButton is missing. The template application creates the plus (+) JButton, but the JButton’s default width and height are both zero, so it does not appear on the screen. You will customize the plus (+) JButton’s text and bounds properties to make it appear as in Fig. 2.35.
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When does the monitor contention process takes place?
What will be an ideal response?
Describe page orientation when printing. What is the default and in what circumstances may you want to change orientation?
What will be an ideal response?
You use the methods and properties of the ____ object to control the Web browser window.
A. Navigator B. Screen C. Document D. Window