Exam 14: Troubleshooting, Performance, and Security

Processes can initiate numerous connections, called ____________________, to files on the filesystem in addition to standard input, standard output, and standard error.

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

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

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

Viewing the output of the ____________________ command, journalctl -b command, or the contents of the /var/log/boot.log and /var/log/messages log files can isolate most hardware problems.

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

​Match each term with the correct statement below. a.​baseline b.buffer overrun​ c.​file handles d.​firewall daemon (firewalld) e.​Intrusion Detection System (IDS) f.​lsof command g.​nmap command h.​SSH agent i.​tunneling j.tripwire -​The process of embedding network packets within other network packets.

What two iptables options are used to specify the source and destination ports for a rule?​

Almost all hardware problems are the result of damaged hardware.

The ____________________ command is used to view the current SELinux status.