Which command is used on a Cisco 3750 router to begin configuration of VLAN 2?
A. VLAN2 interface
B. 2 VLAN
C. VLAN 2
D. interface VLAN2
Answer: D
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Which of the following statements is true of a priority_queue?
a. It does not allow insertions in sorted order. b. Each of its common operations is implemented as an inline function. c. A bucket sort is usually associated with it. d. It must be implemented as a deque.
A touchscreen uses a finger or stylus in place of a mouse
Indicate whether the statement is true or false
A school cafeteria is giving an electronic survey to its stu- dents to improve their lunch menu. Create an application that will use a two-dimensional array to hold counters for the survey (Fig. 17.31). You will also provide JRadioButtons for the students to select whether they like or dislike a particular food.
a) Copying the template to your working directory. Copy the C:Examples Tutorial17ExercisesFoodSurvey directory to your C:SimplyJava directory.
b) Opening the template file. Open the FoodSurvey.java file in your text editor.
c) Declaring a two-dimensional int array. On lines 29-30, insert code to declare a two- dimensional int array named display, with 4 rows and 2 columns.
d) Declaring local variables. On line 105, in method addJButtonActionPerformed, set the text of displayJTextArea to "Food Like Dislike" for the header. Cre- ate a local int variable index. This variable should contain the index of the selected item in foodJComboBox.
e) Using a for loop to display the data. Insert a for statement that will loop through each row in the foodChoices array (0–3). In the body of the loop, append the appro- priate food to displayJTextArea. The counter variable of the for statement will be used as the index of the foodChoices array. Add the "
" escape sequence to displayJText
Columns often ________ when formulas are displayed
A) become wider B) truncate contents C) remain the same size D) are highlighted