Consider the steps to enable the Pluggable Authentication Module (PAM) to use cgroup rules for a 64-bit system:
1.
Install the libcgroup-pam software package.
2.
Ensure that the PAM module has been installed and exists: /lib64/security/pam_cgroup.so.
3.
Edit the /ets/pam.d/su configuration file and add a line: session optional pam_cgroup.so.
4.
Edit the /ets/pam.d/su configuration file and add a line: auth sufficient pam_cgroup.so.
5.
Configure /etc/cgconfig.conf.
6.
Configure /etc/cgrules.conf.
7.
Log out all users that are affected by the cgroup settings in the /etc/cgrules.conf file.
8.
Enable and start the cgred service.
9.
Reboot the system.
Which option represents the steps in the correct order to enable PAM to use cgroup rules for a logged-in user?
A. 2, 3, 5, 6, 7, 8
B. 1, 2, 3, 5, 6, 7
C. 1, 2, 3, 5, 6, 7, 8
D. 1, 2, 3, 4, 5, 6, 7
E. 1, 2, 3, 4, 5, 6, 9
Which two commands can be used to find the cgroup to which a given process with PID belongs?
A. cgget -a | grep PID
B. ps -o cgroup | grep PID
C. cat /proc/PID/cgroup
D. lscgroup | grep PID
You create an XFS file system by using the command:
# mkfs –t xfs –L /xfs1 –l logdev=/dev/sdd1 /dev/sdh1 You create the mount point /xfs1 and want to mount the file system on its mount point, before adding an entry for the file system to /etc/fstab.
Which two commands can you use to do this?
A. mount /dev/sdh1 /xfs1
B. mount LABEL=/xfs1 /xfs1
C. mount –t xfs –o logdev=dev/sdd1 /dev/sdh1 /xfs1
D. mount LABEL=/xfs1 –o logdev=/dev/sdd1 /xfs1
E. mount LABEL=/xfs1 –o logdev=/dev/sdd1
F. mount –t xfs LABEL=/xfs1 /xfs1
Which statement is true about configuring a nameserver in Oracle Linux?
A. If it is a primary nameserver, it must be an authoritative nameserver for all zones.
B. If it is a recursive nameserver, it must be a cache-only nameserver for all zones.
C. It may be authoritative for some zones and cache-only for other zones.
D. If it is a secondary nameserver, it must be an authoritative nameserver for all zones.
E. If it is a secondary nameserver, it must copy zone data from a primary nameserver.
Which statement is true about BTRFS RAID?
A. Btrfs RAID is a multi-disk software RAID providing the same functionality as a software RAID created using the mdadm command.
B. Btrfs RAID is block device RAID.
C. Btrfs RAID is mirroring block devices.
D. Btrfs RAID just ensures that for every block, there are "x" number of copies.
Which three server types are made possible by installing SAMBA on Oracle Linux and activating SAMBA services?
A. active directory domain controller
B. Network Information Service (NIS) server
C. domain member server
D. Windows NT domain controller
E. stand-alone workgroup server
You are required to create a file system that meets these requirements:
1.
It must be created on /dev/ssd1.
2.
It must be mounted on the already existing mount point/cryptfs.
3.
Data stored on /cryptfs must be encrypted.
Examine this list of commands:
1.
cryptsetup luksFormat /dev/sdd1
2.
cryptsetup luksOpen /dev/sdd1/sdd1
3.
mkfs t ext4 /dev/sdd1
4.
mkfs t ext4 /dev/mapper/sdd1
5.
mount /dev/sdd1/cryptfs
6.
mount /dev/mapper/sdd1/cryptfs
7.
cryptsetup /cryptfs
Which option represents the commands in the correct order to create a file system that meet the requirements?
A. 3, 5, 7
B. 1, 2, 4, 6
C. 1, 2, 3, 5
D. 1, 4, 6
E. 1, 3, 5
Identify the minimum required steps to configure postfix on a client system to relay outbound emails to an
SMTP server.
Note: The postfix package is already installed and running on the system.
1.
Install the postfix-cf package.
2.
Set the myorigin parameter to $mydomain in /etc/postfix/main.cf.
3.
Set the relayhost parameter to the desired SMTP server in /etc/postfix/main.cf.
4.
Restart mail services by using: service postfix restart.
A. 1, 2, 3, 4
B. 1, 3, 4
C. 3, 4
D. 3 only
E. 2, 3, 4
F. 2, 4
Which three features are included in the OCFS2 file system?
A. online defragmentation
B. sparse file support
C. metadata checksums
D. multiple cluster sizes
E. transparent compression
F. transparent encryption
A system has several multipathed devices. Some of them are in use with mounted file systems.
The remaining multipathed devices are unused.
The multipath command with the -F option is issued as shown:
[root@host03 /]# multipath -F
Which statement is true?
A. All multipath mapping are flushed, thus removing their mpath mappings. The mounted file system is unusable.
B. All multipath mapping except those that are in use are flushed, removing their mappings. The mounted file system is unaffected.
C. Any faulted multipath devices are fixed, causing their faulty paths to be rediscovered if the underlying device is found to be available again. The mounted file system is unaffected.
D. The command returns a syntax error because an mpath device name must be supplied as the argument to the -F switch.
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