Answer the following statements true (T) or false (F)
1. A derived value is used when the user enters the same data value for a screen field most of the time.
2. An application programming interface is a set of small programs and protocols used like building blocks for building software applications.
3. When two or more APIs are used together they form a GUI.
4. Each query involves three items: an entity, an attribute, and a value.
1. FALSE
2. TRUE
3. FALSE
4. TRUE
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Which of the following log files contains failed user logins on a Linux system?
A) /var/log/faillog B) /var/log/user.log C) /var/log/kern.log D) /var/log/lpr.log
Which statement is false?
a. SortedSet extends Set. b. Class SortedSet implements TreeSet. c. When a HashSet is constructed, it removes any duplicates in the Collection. d. By definition, a Set object does not contain any duplicates.
A(n) ____ is a variable whose value is passed from one method to another - just like a baton is passed from one runner to another in a relay race.
A. object B. module C. parameter D. testing shell
Which of the following commands will send a process’s resources to /dev/null to kill the process for process ID 1357?
A. sigkill 1357 B. killall 1357 C. kill -15 1357 D. kill -9 1357