DCOM 142 CHAPTER 11 & 12 QUESTIONS
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/sysctl.conf
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
Which of the following commands will allow you to log into a remote machine? -
Answers -ssh
What option to the netstat command has information shown as numbers rather than
names? - Answers --n
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/sysctl.conf
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
Which of the following commands will allow you to log into a remote machine? -
Answers -ssh
What option to the netstat command has information shown as numbers rather than
names? - Answers --n
