?On a system that is not using Systemd, what two log files contain information related to PAM?
A. ?/var/log/pam.log
B. ?/var/log/secure
C. ?/var/log/auth.log
D. ?/var/log/messages
Answer:
B. ?/var/log/secure
C. ?/var/log/auth.log
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Executing asynchronous methods in separate threads on a dual-core computer typically ________ executing the same tasks sequentially.
a) takes more time than b) takes about the same amount of time as c) takes less time than d) takes an unpredictable amount of time compared to
Answer the following statements true (T) or false (F)
1. A constructor is a public class function that is automatically invoked (i.e., called) whenever a class object is created. 2. A class must have exactly one constructor. 3. A structure has member variables, like an object, but they are usually all public and accessed directly with the dot operator, instead of by calling member functions. 4. An Abstract data type (ADT) is a programmer-defined data type that specifies the values the type can hold, the operations that can be performed on them, and how the operations will be implemented. 5. In C++ and other object-oriented programming languages, ADTs are normally implemented as classes.
2-3 tree and 2-4 trees are examples of
a) binary trees b) binary search trees c) heaps d) B-trees e) None of these is correct
This code displays text in integer1JTextField, double1JTextField, and integer2JTextField. What is displayed in these JTextFields?
``` 1 private void pickRandomNumbers() 2 { 3 Random randomObject = new Random(); 4 5 int number1 = randomObject.nextInt(); 6 double number = 5 * randomObject.nextDouble(); 7 int number2 = 1 + randomObject.nextInt( 11 ); 8 integer1JTextField.setText = String.valueOf( number1 ); 9 double1JTextField.setText = String.valueOf( number ); 10 integer2JTextField.setText = String.valueOf( number2 ); 11 12 } // end method pickRandomNumbers ```