DCOM 142 Chapter 11 & 12 Exam Questions With Correct Answers

What does the acronym RPM mean? - Answers RPM Package Management True or False: One way to install new software on a Linux system is to use a package management system. - Answers True True or False: When you execute the "dmesg" command, the system displays the messages that are generated by the kernel. - Answers True Which of the following are package management commands for distributions with software distributed in files ending in .deb? - Answers aptitude dpkg apt-get Which of the following are package management commands for distributions with software distributed files ending in ".rpm"? - Answers rpm yumex yum The Linux kernel mounts the following pseudo-filesystems to provide access to information about hardware devices connected to the system: - Answers /proc & /sys True or False: The /proc directory contains a subdirectory for each process present on the system. - Answers True The Process ID (PID) of the init process is: - Answers 1 True or False: The process (ps) command shows only processes running in the current shell by default. - Answers True The following system load averages are displayed by the top command: - Answers 5 minute 1 minute 15 minute The free command outputs statistics about: - Answers Memory usage What directory typically contains log files? - Answers /var/log Which log file contains messages regarding authentication and authorization? - Answers secure True or False: All log files contain only text data. - Answers False A load average of 1.0 always means the system is fully loaded. - Answers False A command that will continuously update statistics about running processes: - Answers top The following are valid Linux option styles: - Answers BSD Unix without a dash Traditional Unix with a single (-) GNU long options with two dashes (--) Which file contains the information passed to the kernal at boot time? - Answers /proc/cmdline To make changes permanent for kernal parameter files found under /proc/sys, the following file can have entries added to it: - Answers /etc/ To get a list of all packages installed on a system using RPM Package Management you can execute: - Answers rpm -qa Which of the following would be considered a host? - Answers A printer attached to the network via an IP address A service is... - Answers a feature provided by one computer to another. A network packet contains... - Answers ...the IP address of the destination machine ...the IP address of the source machine True or False: Only servers have hostnames. - Answers False Which of the following protocols defines how network communication functions? - Answers TCP/IP Which of the following are valid IPv4 addresses? - Answers 192.105.10.10 10.33.55.77 True or False: The name of the primary wired network devices is "ether0" - Answers False Which of the following commands will display the routing table? - Answers netstat -r route