LinkedIn Linux Skill Assessment Answers 2021

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LinkedIn Linux Skill Assessment Answers 2021

Hello Learners, Today we are going to share LinkedIn Linux Skill Assessment Answers. So, if you are a LinkedIn user, then you must give Skill Assessment Test. This Assessment Skill Test in LinkedIn is totally free and after completion of Assessment, you’ll earn a verified LinkedIn Skill Badge🥇 that will display on your profile and will help you in getting hired by recruiters.

Who can give this Skill Assessment Test?

Any LinkedIn User-

  • Wants to increase chances for getting hire,
  • Wants to Earn LinkedIn Skill Badge🥇🥇,
  • Wants to rank their LinkedIn Profile,
  • Wants to improve their Programming Skills,
  • Anyone interested in improving their whiteboard coding skill,
  • Anyone who wants to become a Software Engineer, SDE, Data Scientist, Machine Learning Engineer etc.,
  • Any students who want to start a career in Data Science,
  • Students who have at least high school knowledge in math and who want to start learning data structures,
  • Any self-taught programmer who missed out on a computer science degree.

Here, you will find Linux Quiz Answers in Bold Color which are given below. These answers are updated recently and are 100% correct✅ answers of LinkedIn Linux Skill Assessment.

69% of professionals think verified skills are more important than college education. And 89% of hirers said they think skill assessments are an essential part of evaluating candidates for a job.

Use “Ctrl+F” To Find Any Questions Answer. & For Mobile User You Just Need To Click On Three dots In Your Browser & You Will Get A “Find” Option There. Use These Option to Get Any Random Questions Answer.

LinkedIn Linux Assessment Answers

Q1. To mount a drive by its ID, what command would you use first to retrieve it?

  •  df -h
  •  listid
  •  ls -l
  •  blkid

Q2. Linux file access control lists (ACLs) are _.

  •  discretionary access control system permissions layered over standard Linux permissions
  •  mandatory access control system permissions layered over standard Linux permissions
  •  a type of firewall for Linux
  •  the same as standard Linux permissions

Q3. When using iproute2, how do you show routing information for an IPv6 network?

  •  route -ipv6
  •  route
  •  ip -6 route show
  •  ip route show

Q4. What does this command string do?find / -size +10M -exec ls -l {} ;

  •  It finds all files using ls -l and hands them off to the find command to display.
  •  It finds all files older than 10 minutes and long lists them using the ls command.
  •  It finds all files larger than 10 MB and long lists them using the ls command.
  •  It uses the ls command to find all files in the filesystem matching the {} wildcard.

Q5. What would this locate command show?locate –regexp ‘^/usr.*pixmaps.*jpg$’

  •  all files in a directory named pixmaps
  •  all files ending in “.jpg”
  •  all file paths that start with “/usr”, include the word “pixmaps”, and end with “.jpg”
  •  all file paths that include “/usr/pixmaps” and end with “.jpg”

Q6. Which command allows you to do packet analysis from the command line?

  •  wireshark
  •  ethtool
  •  netstat
  •  tcpdump

Q7. Which command will tell you how long a system has been running?

  •  log
  •  uptime
  •  runtime
  •  access

Q8. How would you describe PCP (Performance Co-Pilot)?

  •  It is an application testing suite used to profile programming code.
  •  It is a local command used for monitoring local system resources in real time.
  •  It is a set of tools, services, and libraries for gathering and analyzing performance measures.
  •  It is a tool designed to change system configuration for purposes of optimization.

Q9. You want to resolve a long list of DNS names using dig. What should you do?

  •  Create a text file including all names and use the -f option of dig.
  •  Type in each query manually.
  •  Write a shell script to send multiple dig queries to the DNS server.
  •  Save the DNS names in an SQL database and process it with dig.

Q10. What would this command output?ps -e –format uid,pid,ppid,%cpu,cmd

  •  the user ID, process ID, parent process ID, CPU usage, and command name of a process
  •  the user ID, group ID, parent process ID, CPU usage, and command name of a process
  •  the UUID, process ID, parent process ID, CPU usage, and command name of a process
  •  all of these answers

Q11. Which command in Bash executes the last line in the shell history that starts with ls?

  •  !
  •  !!
  •  !*
  •  !ls

Q12. The ssh-copy-id command copies _ to the remote host.

  •  both private and public keys
  •  the ssh public key
  •  the ssh private key
  •  a fingerprint file

Q13. What command is used to determine the amount of disk usage for a directory?

  •  find
  •  fdisk
  •  du
  •  df

Q14. A backup drive was created using dd to make a bit-for-bit copy. When the drive is inserted into an iSCSI target before it is booted up, the data appears to be missing. What happened?

  •  The backup drive is corrupted and needs to be re-created.
  •  When the backup drive was duplicated, the label was as well. When booted, the system mounted the old duplicated drive by its identical label.
  •  There is a conflict between the physical location of the backup drive and the original drive.
  •  The backup process went wrong, and the old drive was duplicated over the original drive.

Q15. What is the key difference between a redirect (>) and piping to the tee command?

  •  The tee command sends output only to STDOUT and STDERR.
  •  A redirect sends output to STDOUT and a file, whereas a tee sends output only to STDOUT.
  •  Nothing, they are the same.
  •  The tee command sends output to STDOUT and a file, whereas a redirect sends output only to a file.

Q16. What does the /etc/nsswitch.conf file manage?

  •  priority of one DNS server over another
  •  per network interface DNS server configuration
  •  alternative DNS services
  •  sources for name service information

Q17. Assume the variable myNumber holds a string consisting of 10 digits. What will this command output?echo \$myNumber | sed -e ‘s/^[[:digit:]][[:digit:]][[:digit:]]/(&)/g’

  •  It will only match digits—and since the string has only digits, the command will output the same number without changes.
  •  It will output the same 10-digit number, but every digit will be inside parentheses.
  •  It will output the entire 10-digit number inside parentheses.
  •  It will output the same 10-digit number, but the first 3 digits will be inside parentheses.

Q18. Packages can be downloaded but not installed with yum or dnf by specifying which option?

  •  None of these answers. yum does not support downloading packages without installing them.
  •  –downloaddir
  •  -d
  •  –downloadonly

Q19. What character class is equal to this set?[0-9]

  •  [[:alnum:]]
  •  [[:digit:]]
  •  [[:alpha:]]
  •  [[:num:]]

Q20. When archiving files, which command will preserve all file attributes including ACLs and SELinux security context?

  •  zip
  •  tar
  •  archive
  •  gzip

Q21. In a systemd-based OS, you can change the system hostname by editing /etc/hostname manually and then doing what?

  •  Restart dhcpd.
  •  Run /etc/hostname.
  •  Nothing, the system notices automatically.
  •  Notify systemd to update it by restarting the systemd-hostnamed service.

Q22. What command would you use to resize an LVM volume group to include an additional physical volume?

  •  vgadd
  •  vgresize
  •  vgappend
  •  vgextend

Q23. When would this system cron job run its task?0 1 * * *

  •  every minute of the hour
  •  every hour of every day
  •  every day at 1:00 AM
  •  only on Mondays

Q24. ifconfig has been deprecated. What command is now recommended for changing IP addresses in the live config?

  •  netconf
  •  ipconfig
  •  ipman
  •  ip

Q25. You are managing an Apache web server on a system using SELinux. By default it cannot read personal webpages in users’ home directories. What SELinux boolean would you set to allow this?

  •  apache_enable_homedirs
  •  httpd_enable_userdirs
  •  httpd_enable_homedirs
  •  httpd_enable_userhome_dirs

Q26. Why doesn’t passwd -l keep a user from logging in via other methods?

  •  The passwd command is not used for locking passwords.
  •  There is no password -l option.
  •  It locks only the password, not the account, so users can still authenticate with keys or other methods.
  •  It does lock the account, keeping users from logging in even if they are using other authentication methods.

Q27. In the Bash shell, what is the difference between piping into | and piping into |&?

  •  Piping into | pipes both stdout and stderr. Piping into |& pipes only stderr.
  •  Piping into | pipes stdout. Piping into |& pipes stdout and stderr.
  •  Piping into | pipes both stdout and stderr. Piping into |& pipes only stdout.
  •  Piping into | pipes stdout. Piping into |& pipes all open file descriptors.

Q28. Why is the passwd command able to modify the /etc/passwd file?

  •  The kernel identifies it as one of the names of extended commands.
  •  It has the same name as the file it modifies.
  •  It has the SUID permission mode and is owned by root.
  •  It is a system administration command.

Q29. When a user deletes a file using the rm command, Linux will _.

  •  always ask for confirmation
  •  back up the file before it deletes the file
  •  ask for confirmation if configured to do so
  •  never ask for confirmation

Q30. What is a major advantage of using Logical Volume Management (LVM)?

  •  Access to a drive is faster than with standard partitions.
  •  Volumes can be resized smaller without unmounting them.
  •  Repairing filesystem errors is easier than with standard partitions.
  •  Volumes can be resized even if the free space is not contiguous.

Q31. What is one major difference between brace expansion and globs?

  •  Globs create a list; brace expansion matches pattern.
  •  Brace expansion requires files to exist; globs do not.
  •  Brace expansion creates a list; globs mart the list of pathnames.
  •  Globs get processes first and brace expansion later.

Q32. To remove all ACLs from a directory , use setfacl with which options?

  •  -d
  •  -k
  •  -b
  •  -x

Q33. Which choice will not print “Hello World” in the terminal?

  • [x] myVar = 5[[ $myVar -lt 10 ]] && echo ” Hello World”
  • [ ] myVar = 5[[ $myVar -lt 10 ]] || echo ” Hello World”
  • [] myVar = 5[[ $myVar -gt 10 ]] && echo ” Hello World”
  • [x] myVar = 5[[ $myVar -gt 10 ]] || echo ” Hello World”

Q34. What is not inherited by child process?

  •  shell aliases
  •  userid
  •  environmental variables
  •  scheduling priority

Q35. What NFS option allows the root user to access NFS shares as the root user?

  •  no_admin_squash
  •  no_root_squash
  •  allow_root_access
  •  all_squash

Q36. You send an email to a remote client using the following syntax. What will be in the body of the email?
date | mail -s “This is a remote test” user1@rhhost1.localnet.com

  •  “This is a remote test”
  •  the date, the time, and the words “This is a remote test”
  •  The email subject shows “This is a remote test” but the body of the email will be empty.
  •  the current date and time

Q37. What is the /etc/hosts file used for?

  •  resolving the local name
  •  blocking sites using iptables
  •  setting the hostname
  •  configuring DNS name servers

Q38. In an extended regular expression, you would use (pattern){3} to match three instances of the pattern. How would you match the same thing with an extended glob?

  •  3(pattern)
  •  {0,3}(pattern}
  •  Occurrence quantifiers are not supported in Bash’s version of extended globs, so this is not possible.
  •  {3}(pattern})

Conclusion

Hopefully, this article will be useful for you to find all the Answers of Linux Skill Assessment available on LinkedIn for free and grab some premium knowledge with less effort. If this article really helped you in any way then make sure to share it with your friends on social media and let them also know about this amazing Skill Assessment Test. You can also check out our other course Answers. So, be with us guys we will share a lot more free courses and their exam/quiz solutions also and follow our Techno-RJ Blog for more updates.

FAQs

Is this Skill Assessment Test is free?

Yes Linux Assessment Quiz is totally free on LinkedIn for you. The only thing is needed i.e. your dedication towards learning.

When I will get Skill Badge?

Yes, if will Pass the Skill Assessment Test, then you will earn a skill badge that will reflect in your LinkedIn profile. For passing in LinkedIn Skill Assessment, you must score 70% or higher, then only you will get you skill badge.

How to participate in skill quiz assessment?

It’s good practice to update and tweak your LinkedIn profile every few months. After all, life is dynamic and (I hope) you’re always learning new skills. You will notice a button under the Skills & Endorsements tab within your LinkedIn Profile: ‘Take skill quiz.‘ Upon clicking, you will choose your desire skill test quiz and complete your assessment.

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