A user has three different subnets in an office. Which of the following can be configured to allow two of the subnets to communicate directly with each other at the switch level?
A. 802.1af
B. 802.1q
C. 802.1x
D. 802.2
Ans: B. 802.1q
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Answer the following statements true (T) or false (F)
1. The String class's regionMatches method performs a case-insensitive comparison. 2. Most of the String comparison methods are case sensitive. 3. Trying to extract more tokens than exist from a StringTokenizer object will cause an error. 4. A wrapper class is a class that is "wrapped around" a primitive data type and allows you to create objects instead of variables. 5. The wrapper classes in Java are immutable, which means that once you create an object, you cannot change the object's value.
Consider the database shown in Table 7.14. What are the support and confidence values for the following negative association rules involving regular and diet soda?
The original association rule mining framework considers only presence of items together in the same transaction. There are situations in which itemsets that are infrequent may also be informative. For instance, the itemset TV, DVD, ¬ VCR suggests that many customers who buy TVs and DVDs do not buy VCRs. In this problem, you are asked to extend the association rule framework to negative itemsets (i.e., itemsets that contain both presence and absence of items). We will use the negation symbol (¬) to refer to absence of items. i. ¬Regular ?? Diet. ii. Regular ?? ¬Diet. ii. Regular ?? ¬Diet. iv. Diet ?? ¬Regular.
A(n) _________ provides many tools that support the software development process, such as editors for writing and editing programs, debuggers for locating logic errors in programs, and many other features.
Fill in the blank(s) with the appropriate word(s).
Repeat the Programming Project 7, but write the program as a JavaFX application. Use a constant for the initial velocity of the ball. Draw a circle for the position of the ball at each second. The y-coordinate should be proportional to the height of the ball, and the xcoordinate should change by a small constant amount.
This application shows a graphical representation of the previous project. If the time increment used is too large, the resulting picture may look chaotic and not at all like a trajectory.