Which of the following is a worm that used several infection mechanisms including Unicode file traversal?
a. Code Red
b. Nimba
c. Sasser
d. My Doom
ANS: B
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Explain why in a deferred-update system, the system does not first copy the intentions list into the database and then append the commit record to the log.
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Given the following code, what will be the value of finalAmount when it is displayed?
``` public class Order { private int orderNum; private double orderAmount; private double orderDiscount; public Order(int orderNumber, double orderAmt, double orderDisc) { orderNum = orderNumber; orderAmount = orderAmt; orderDiscount = orderDisc; } public double finalOrderTotal() { return orderAmount - orderAmount * orderDiscount; } } public class CustomerOrder { public static void main(String[] args) { Order order; int orderNumber = 1234; double orderAmt = 580.00; double orderDisc = .1; order = new Order(orderNumber, orderAmt, orderDisc); double finalAmount = order.finalOrderTotal(); System.out.printf("Final order amount = $%,.2f\n", finalAmount); } } ``` a. 528.00 b. 580.00 c. 522.00 d. There is no value because the object, order, has not been created.
How can you find the phone number for Ace Electronics in a file named phone that contains a list of names and phone numbers? Which command can you use to display the entire file in alphabetical order? How can you display the file without any adjacent duplicate lines? How can you display the file without any duplicate lines?
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