Linux Essentials 2.0 Chapter 13 Exam Answers

NDG Linux Essentials 2.0 Chapter 13 Exam Answers

  1. When you execute the dmesg command, the system displays messages that are generated by the kernel.

    True or False?

    • True
    • False
  2. The Linux kernel mounts the following pseudo-filesystems to provide access to information about hardware devices connected to the system:

    (choose two)

    • /devices
    • /proc
    • /info
    • /sys
  3. The /proc directory contains a subdirectory for each process present on the system.

    True or False?

    • True
    • False
  4. The Process ID (PID) of the init process is:

    • 0
    • 1
    • 100
    • varies
  5. The process (ps) command shows only processes running in the current shell by default.

    True or False?

    • True
    • False
  6. The following system load averages are displayed by the top command:

    (choose three)

    • 15 minute
    • 1 minute
    • 10 minute
    • 5 minute
  7. The free command outputs statistics about:

    • CPU usage
    • Software usage
    • Memory usage
    • Disk usage
  8. What directory typically contains log files?

    • /proc/loc
    • /log
    • /usr/log
    • /var/log
  9. Which log file contains messages regarding authentication and authorization?

    • secure
    • dmesg
    • syslog
    • messages
  10. All log files contain only text data.

    True or False?

    • True
    • False
  11. A load average of 1.0 always means the system is fully loaded.

    True or False?

    • True
    • False
  12. A command that will continuously update statistics about running processes:

    • tail
    • head
    • top
    • Bottom
  13. Which of the following is a valid Linux option style for Traditional Unix:

    • two dashes (–)
    • slash (/)
    • no dash
    • a single dash (-)
  14. Which file contains the information passed to the kernel at boot time?

    • /proc/kargs
    • /proc/kopts
    • /proc/cmdline
    • /proc/kernel
  15. To make changes permanent for kernel parameter files found under /proc/sys, the following file can have entries added to it:

    • /etc/sysinfo.conf
    • /etc/procctl.conf
    • /etc/sysctl.conf
    • /etc/procsys.conf
  16. The /var directory has files that change over time.

    True or False?

    • True
    • False
  17. Information about the init process can be found in the /proc/1 directory.

    True or False?

    • True
    • False
  18. Which of the following commands will allow you to view all processes on the system?

    (choose two)

    • ps -ef
    • ps
    • ps -A
    • ps aux
    • ps -eLf
  19. The logging daemon on recent Linux distributions based on systemd is called:

    • klogd
    • journald
    • rsyslogd
    • syslogd
  20. What does the acronym FHS stand for among the the standards supported by the Linux Foundation?

    • Filesystem Hierarchy Standard
    • File Hierarchy Standard
    • Filesystem Hierarchy Structure
  21. Which directory is the root of the filesystem?

    • /sys
    • /root
    • /
    • /home
    • /var
  22. The sbin directories are primarily intended to be used by the root user.

    True or False?

    • True
    • False