Chapter 14 Quiz Questions

What is the most common hardware component to fail on a Linux system?

What option can be specified with the rpm command to identify any missing files in a package or package dependency?

By default, the shell on a Linux system limits the number of filehandles a program can have open to what value?

If applications run into difficulties gaining resources during execution and stop functioning, restarting the process using a specific kill signal may resolve the issue. Select the proper kill signal below:

How often are sar commands scheduled to run on both Fedora 20 and Ubuntu Server 14.04?

Select the option that, when used with the sar command, displays swap statistics:

Which sar command option is used to display statistics for the processor queue?

Running background processes using what command allows you to exit your command-line shell without ending any background processes?

Which command can be used to see what network services are running on your network?

If network services that are started by inetd or xinetd are in use, what can be used to provide extra security?

What option for the iptables command can be used to specify the default policy for a certain chain type?

Select the iptables option that specifies the destination address of packets for a rule:

What file contains the DSA public key in the /etc/ssh directory?

What utility in the sysstat package measures the flow of information to and from disk devices?​

Older hardware that is malfunctioning may begin to send large amounts of information to the CPU when not in use. What is this process called?​

Assistive technologies are configured using what utility on Fedora 20 in GNOME?​

​If X Windows fails to start, what command can be used to troubleshoot the issue?

What command can be used to change the maximum number of file handles that can be used by a program?​

After downloading an installing any shared libraries, what should be done to ensure ​the list of shared library directories and the list of shared libraries are updated?

​What command can be used to view what shared libraries are required by a certain program?