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Free LFCS Exam Braindumps
Linux Foundation Certified System Administrator Questions 26–30 (page: 7)

Updated On: 10-Feb-2026
Page 7 of 53
PDF with 260 Questions

Which of the following pieces of information of an existing file is changed when a hard link pointing to that file is created?

  1. File size
  2. Modify timestamp
  3. Link count
  4. Inode number
  5. Permissions

Answer(s): C



Which of the following find commands will print out a list of files owned by root and with the SUID bit set in /usr?

  1. find /usr -uid 0 -perm +4000
  2. find -user root +mode +s /usr
  3. find -type suid -username root -d /usr
  4. find /usr -ls \*s\* -u root
  5. find /usr -suid -perm +4000

Answer(s): A



What is a purpose of an SSH host key?

  1. It must be sent by any SSH client in addition to a user key in order to identify the client's host.
  2. It provides the server's identity information to connecting SSH clients.
  3. It is the root key by which all user SSH keys must be signed.
  4. It authenticates any user that logs into a remote machine from the key's host.
  5. It is used by system services like cron, syslog or a backup job to automatically connect to remote hosts.

Answer(s): B



To prevent a specific user from scheduling tasks with at, what should the administrator do?

  1. Add the specific user to /etc/at.allow file.
  2. Add the specific user to [deny] section in the /etc/atd.conf file.
  3. Add the specific user to /etc/at.deny file.
  4. Add the specific user to nojobs group.
  5. Run the following: atd --deny [user].

Answer(s): C



How many fields are in a syntactically correct line of /etc/fstab?

  1. 3
  2. 4
  3. 5
  4. 6
  5. 7

Answer(s): D



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