Which of the following helps to keep an eye on the existing number of objects of a given class without introducing a non-class member variable?

Which is correct regarding Linux devices?

Which statement is true? Statement 1: mysql_fetch_object - Returns an object with properties that correspond to the fetched row, or FALSE if there are no more rows Statement 2: mysql_fetch_row - Returns a positive MySQL result resource to the query result, or FALSE on error.

Which statement is incorrect regarding referential integrity?

'Perfect Services' provides financial services worldwide. You want to display data from the table pers for joining_date from #1/1/2005# to #31/12/2005# and the job should either be of an analyst, a clerk or a salesman. Which is correct?

Sometimes it is necessary to create a temporary file to collect output for use by a later command. While creating such a file, you must make sure that the filename is unique enough so that no other programs accidentally write on the temporary file. Which is correct with regard to creation of temporary files?

What is the output of the command "service httpd configtest" if no errors are found in Apache's configuration file?

The command "service httpd ______" allows users to check the syntax of Apache's configuration files.

In which tcp_wrappers file can you specify all connections from all hosts?

The SELinux (Security Enhanced Linux) security policies are enabled/disabled through which file?

Which of the following is TRUE about Inetd?