rando 1. The offline Debian package management tool.yumaptdpkgrpmQuestion 1 of 50 2. Which signal should you use to abruptly interrupt a process?SIGTERMSIGKILLSIGSTOPSIGHUPQuestion 2 of 50 3. shall be used in order to update all installed Debian packages. Question 3 of 50 4. To see the booting process debug, you can use the tool. Question 4 of 50 5. You can gather information about the CPU by looking at the content of the /proc/ file. Question 5 of 50 6. 'ping' requires administrative permission ir oder to be executed. However, it is unproductive to allow only root to run such command. Therefore, a solution that allows all users to run this tool is the special permission. Question 6 of 50 7. The permission illustrated by 'rwxrwsrwx' illustrates a special permission, which is: SGIDSUIDSticky bitumaskQuestion 7 of 50 8. Which switch/option of the 'ls' tool illustrates a file's inode data?-s-l-R-iQuestion 8 of 50 9. By default, all Linux systems have the sticky bit enabled on the /tmp directory.TrueFalseQuestion 9 of 50 10. The Linux system directory hierarchy is defined by a standard named Question 10 of 50 11. In order to see the filesystems that are mounted, you can use:fdiskcfdiskmountgpartedQuestion 11 of 50 12. There are two more traditional tools that can be used to display mounted filesystems: and Question 12 of 50 13. You just edited and changed the content of the /etc/fstab file. What option/switch of the mount command can you use to force the system to read this file and (re)mount the mount points without rebooting the system?-r-a-l-bQuestion 13 of 50 14. The difference between the ext3 and ext4 filesystems is that ext3 does not implement journalling.TrueFalseQuestion 14 of 50 15. Format partition /dev/sda3 as ext4: Question 15 of 50 16. Logical Volume Manager allows you to dynamically resize LVM partitions.TrueFalseQuestion 16 of 50 17. Logical partitions in LVM are called:Logical volumes (LV)Physical Volumes (PV)Volume Groups (VG)Group Volumes (GV)Question 17 of 50 18. letter that identifies symbolic link files:bcdlQuestion 18 of 50 19. Online package manager used by RedHat-based Linux distributions:rpmdpkgyumaptQuestion 19 of 50 20. To configure cron you can either edit the /etc/crontab file or run 'crontab -e', but the former is indicated.TrueFalseQuestion 20 of 50 21. What Linux file is composed of lines similar to the following:/dev/sda1 /mnt/mount_point ext4    defaults  0     1/etc/crontab/etc/mtab/etc/inittab/etc/fstabQuestion 21 of 50 22. When you enter a command in the shell, the system will search for such tool in directories that are listed in the variable. Question 22 of 50 23. To see the directory that stores a command, you should use:whichwhowhoismanQuestion 23 of 50 24. 'chmod u+x file' adds permission of execution to the owner.TrueFalseQuestion 24 of 50 25. 'chown .john directory' defines user John as the owner of directory.TrueFalseQuestion 25 of 50 26. Remove the sticky bit permission of the /tmp directory: Question 26 of 50 27. $ ls /root > /dev/nulllists the content of /rootdoes not list the content of /root and shows an error messagedoes not list the content of /root and does not show an error messageremoves the /root directoryQuestion 27 of 50 28. special character used to send the output of a command as input of another command, binding these two tools.|>>>;Question 28 of 50 29. John works for company ABC. His boss asked him to generate a report showing the last time each user logged into the server. What tool can John use?lastdmesglastlogtail /var/log/auth.logQuestion 29 of 50 30. 'dpkg -l|grep apache2'checks if package apache2 is installed.shows all installed packages that contain the string 'apache2' in their names.lists all files installed by package apache2.installs apacke2.Question 30 of 50 31. A backup process (PID 2233) has been started with priority 0. You need to make sure it runs faster and increase this process' priority. You can do that by running 'renice -n 10 2233'.TrueFalseQuestion 31 of 50 32. The default system initializer process in modern Linux systems such as Ubuntu 18.04.sysVSystemdUpstartsystemctlQuestion 32 of 50 33. You are creating a PERL script. The first line in the script file must be:#!/bin/bash#/usr/bin/perl#!/usr/bin/perl#/bin/perlQuestion 33 of 50 34. To constantly monitor new entries in the /var/log/auth.log file, you can use:tail -f /var/log/auth.logcat /var/log/auth.loggrep -newline /var/log/auth.lognc /car/log/auth.logQuestion 34 of 50 35. usermod -s /bin/false userPrevents 'user' from logging into the shell.Changes the user's home directory.Deactivates the user's account.Creates a new user account.Question 35 of 50 36. Command to list the PCI devices: Question 36 of 50 37. iptables -A FORWARD -p tcp --dport 22 -j ACCEPTAllows the gateway to forward SSH traffic.Accepts incoming SMTP packets.Forwards DNS requests.Redirects FTP traffic.Question 37 of 50 38. Most modern Linux systems, such as Ubuntu 18.04, use ______________________ as the default security controller system.inetdxinetdSELinuxAppArmorQuestion 38 of 50 39. PAM stands for . Question 39 of 50 40. To prevent log files from overloading the Linux partition, you may use the tool. Question 40 of 50 41. tar tzvf tarball.tar.gz:creates a tarball using the gzip compression algorithm.extracts files from a gzip-compressed tarball.displays the files packaged in a tarball.extracts files from a bzip2-compressed tarball.Question 41 of 50 42. What file may contain the following line?0 5 * * * root /usr/sbin/backup.sh/etc/fstab/etc/crontab/etc/mtab/etc/sudoersQuestion 42 of 50 43. What option of the 'find' tool should you use to run a command over each file found?-run-exe-match-execQuestion 43 of 50 44. How many file types are there in a Linux system?5678Question 44 of 50 45. What command can you use to filter for a specific column number in a line?awkgrepechotcQuestion 45 of 50 46. In Debian-based systems, what dpkg option should be used to remove a package including all config and data files?-r-p-d-PQuestion 46 of 50 47. You need to use the 'netstat' tool, but you realize that it is not installed in your system, which means that you have to install it. However, you do not know what package actually contains the desired tool. How can you find the package that contains it?apt-cache find netstatdpkg search netstatapt-get find netstatapt-cache search netstatQuestion 47 of 50 48. Command to remove a specific module and other ones that were loaded along with it.insmod module_namermmod module_namemodprobe module_namemodprobe -r module_nameQuestion 48 of 50 49. In a sysV-based Linux system, the first process (also called 'the father of all processes') is the process. Question 49 of 50 50. Command to display info about RAM memory and swap:mountfreedfpsQuestion 50 of 50 Loading...