Which of the following provides the MOST protection against zero day attacks via email attachments?
A. Anti-spam
B. Anti-virus
C. host-based firewalls
D. Patch management
Answer: A. Anti-spam
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Suppose you enter 34.3, the ENTER key, 57.8, the ENTER key, abc, the Enter key. Analyze the following code.
``` 1 Scanner input = new Scanner(System.in); 2 double v1 = input.nextDouble(); 3 double v2 = input.nextDouble(); 4 String line = input.nextLine(); ``` a. After line 2 is executed, v1 is 34.3. b. After line 3 is executed, v2 is 57.8. c. After line 4 is executed, line contains an empty string. d. After line 4 is executed, line is null. e. After line 4 is executed, line contains character "abc".
What would happen if you do not override the hashcode() method?
a. The default hashcode() method would be used. Objects of such class would be inefficient as key values for the hash table or hash map data structure. b. Nothing. The hashcode() method doesn't need to be overridden. c. Objects of this class could not be used as hash map/hash table keys. d. A checked exception would be raised by the compiler.
You can find coordinates of a particular point on an image by using an image-editing application such as ____ for Windows.
A. Paint B. Image C. Preview D. Photo
The ____ directory allows companies to offer their Web services by acting like a telephone book for Web services.
A. SOAP B. XML C. UDDI D. WSDL