1Z0-105 Online Practice Questions and Answers

What is function of the System Security Service Daemon (SSSD)?

A. It permits single-user accounts by maintaining credentials for back-end systems on behalf of local users.

B. It enables fingerprint reader support for Kerberos clients.

C. It enables Smart Card Authentication for Kerberos clients.

D. It permits Kerberos authentication to be done offline by caching user identities.

Which three statements are true about the Kickstart installation method?

A. It always requires a Kickstart file.

B. The system must be booted manually with the ks= option.

C. It automates the installation of Oracle Linux.

D. It creates a Kickstart file.

E. It requires local access to the installation media.

F. It requires a PXE boot from the network.

What statement is true about udev?

A. It uses predefined kernel devices in /dev for all combinations of that may be connected to a system to support dynamic device name assignment.

B. It dynamically creates kernel devices for only those devices that are connected.

C. It produces persistent device names for all devices.

D. Its configuration is based on device properties and attributes maintained in devfs.

Examine the output of the command:

lssubsys -am

devices freezer net_cls perf_event hugetlb

Now the lssubsys command is executed and new output is generated: ssubsys am ssubsys -am devices

perf_event hugetlb

Which command or sequence of commands is correct?

A. mkdir –p /cgroup/C; mount –t cgroup –o freezer C /cgroup/C; mount –t cgroup –o remount, freezer, net_cls C /cgroup/C

B. mkdir –p /cgroup/C; mount –o freezer, net_cls cgroup /cgroup/C

C. mkdir –p /cgroup/C; mount –t cgroup –o freezer freezer /cgroup/C; mount –t cgroup –o net_cls net_cls / cgroup/C

D. mkdir –p /cgroup/C; mount –t cgroup –o freezer, net_cls /cgroup/c

Examine this command and its output:

# yum history list Loaded plugins: security

history list

Which command must you use to undo the last two yum transactions?

A. # yum history rollback 2

B. # yum history rollback 3

C. # yum history undo last-1

D. # yum history undo last-3

Examine the list of requirements for an XFS file system:

1.

Its label must be /xfs1.

2.

It must mount automatically during system startup.

3.

The user data must be stored on /dev/sdh1.

4.

The journal data must be stored on /dev/sdd1.

5.

The journal must be 4GB in size.

6.

It must contain a real-time section.

7.

Its block size must be 4096 bytes.

You execute the command:

# mkfs –t xfs –L /xfs1 –l logdev=/dev/sdd1 –d size=4g /dev/sdh1

Which requirements do you meet?

A. 1, 3, 4, 7

B. 1, 2, 3, 4, 7

C. 1, 3, 4

D. 1, 3, 4, 5, 7

E. 1, 3, 4, 5, 6, 7

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

Which two statements are true about OCFS2?

A. It always requires TCP network connectivity.

B. It never requires TCP network connectivity.

C. It requires a dedicated private network.

D. It requires TCP network connectivity for the cluster.

E. It requires an installation of the ocfs2-tools RPM package.

When you are using OCFS2, which two statements are true about Linux kernel configuration and use?

A. kernel.panic_on_oops must be set to 1 to prevent a cluster hang.

B. OSFS2 requires the use of the Red Hat compatible kernel.

C. You must compile the OSFS2 module and make it available in the UEK kernel.

D. OCFS2 requires the use of UEK3.

E. kernel.panic must be set to 30 or higher.

Consider the configuration requirements of an iSCSI client system.

Which statement is correct?

A. Installation of the iscsi-initiatir-utils package is a prerequisite for configuration of an iSCSI client.

B. Installation of both iscsi-target-utils and iscsi-initiator-utils are prerequisites for configuration of an iSCSI client.

C. Installation of the iscsi-target-utils package is the only prerequisite for configuration of an iSCSI client.

D. Both the iscsi-initiator-utils package and an iSCSI host bus adapter (HBA) hardware device are prerequisites for configuration of an iSCSI client.

Identity the minimum required step(s) to configure and permanently enable user and group disk quotas on the /xfs1 file system, which is currectly mounted.

A. 5,7

B. 3 only

C. 4 only

D. 1, 2

E. 6, 8, 9, 1, 2

F. 6, 7

G. 6, 8, 9

By default, where does the Oracle template script get the packages that it installs into the root file system of the new container?

A. your ULN subscribed channels

B. an Oracle Linux DVD image

C. the packages installed on the host

D. http://public -yum.oracle.com

While adding the first Access Control List (ACL) to a file located on an ext3 file system, you receive an error:

Identity the reason for the Operation not supported error.

A. The file system in question must be mounted, including the acl mount option.

B. ACLS are not supported when SELinux is enabled.

C. The ac1 RPM must be installed to enable ACL support.

D. The user trying to add the ACL is not the file owner.

E. The setfac1 command shown contains a syntax error.

F. An ext3 file system does not support ACLs.

Which two actions are Linux containers best suited to perform? (Choose two.)

A. simplifying firewall setup

B. creating a lightweight virtualization environment

C. testing SELinux policy

D. controlling the resource usage of a set of applications

E. improving the performance of native applications

Examine the output of the command:

Which two statements are true? (Choose two.)

A. The names in the first column represent only cgroup subsystems that are currently attached to any cgroup hierarchy regardless of whether they are mounted or unmounted.

B. cpuset, cpu, memory, cpuacct, and blkio are cgroup subsystems and they are attached to mounted cgroup hierarchies. The numbers in the second column represents the number of cgroups to which corresponding subsystems are attached.

C. cpuset, cpu, memory, cpuacct, and blkio are cgroup subsystems and they are attached to mounted cgroup hierarchies. The numbers in the second column represents arbitrary system-assigned cgroup hierarchy numbers.

D. cpuset, cpu, memory, cpuacct, and blkio are cgroup subsystems and they are attached to mounted cgroup hierarchies. The numbers in the second column represents the number of cgroups in each cgroup hierarchy.

E. The names in the forst column represent all cgroup subsystems available on the system.

Which three names represent subsystems or resource controlled for Control Groups? (Choose three.)

A. devices

B. freezer

C. blkio

D. acct

E. cpu_share

F. diskio