303-200 Free Demo Questions And Answers

By Author: mcleod.k
Total Articles: 155
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Question: 1

Which command revokes ACL-based write access for groups and named users on the file afile?

A. setfacI -x group: * : rx, user:*: rx afile
B. setfacl -x mask: : rx afile
C. setfacl ~m mask: : rx afile
D. setfacl ~m group: * : rx, user:*: rx afile

Answer: C

Question: 2

Which of the following authentication methods was added to NFS in version 4?

A. Kerberos authentication
B. SSH hostkey authentication
C. Winbind authentication
D. SSL certificate authentication

Answer: A

Question: 3

Which of the following access control models is established by using SELinux?

A. Security Access Control (SAC)
B. Group Access Control (GAC)
C. User Access Control (UAC)
D. Discretionary Access Control (DAC)
E. Mandatory Access Control (MAC)

Answer: E

Question: 4

Which command is used to run a new shell for a user changing the SELinux context? (Specify ONLY the command without any path or parameters.)

Answer: newrole

https://www.centos.ofg/docs/5/html/DeployrnenLGuide-en-US/sec-sel-admincontrol.html

Question: ...
... 5

What option of mount.cifs specifies the user that appears as the local owner of the files of a mounted CIFS share when the server does not provide ownership information? (Specify ONLY the option name without any values or parameters.)

Answer: uld=arg

http://linux.die.net/man/8/mount.cifs

Question: 6

What happens when the command getfattr afile is run while the file afile has no extended attributes set?

A. getfattr prints a warning and exits with a values of 0.
B. getfattr prints a warning and exits with a value of 1.
C. No output is produced and getfattr exits with a value of 0.
D. No outputs is produced and getfattr exits with a value of 1

Answer: C