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Question 1:

Which three statements are true about an RPM SPEC file?

A. It is mandatory for building a binary RPM using rpmbuild.

B. It is a Shell script that can be used to build a binary RPM.

C. It contains metadata that will be part of a binary RPM.

D. It contains metadata and helper scripts that are required during the build process of a binary RPM.

Correct Answer: ABD

Reference: http://www.thegeekstuff.com/2015/02/rpm-build-package-example/?utm_source=feedburnerandutm_medium=feedandutm_campaign=Feed: TheGeekStuff (The Geek Stuff)


Question 2:

Examine the contents of /etc/mail/access:

This system is to be used as an MTA or mail gateway for the local LAN network address 192.168.1.0/24. Which two actions allow this mail host to route email for the network?

A. Run sendmail again; and the updated file can be accessed automatically.

B. Add this line to /etc/mail/access:

C. Add this line to /etc/mail/access:

D. Add this line to /etc/mail/access:

E. Rebuild the access database file after the source files have been modified. Restarting the sendmail service automatically rebuilds the maps.

Correct Answer: DE


Question 3:

Which two statements are true about recursive nameservers that are supported by Oracle Linux?

A. They may be authoritative.

B. They may forward requests to authoritative name servers on some occasions.

C. They may be primary nameservers.

D. They cache replies from previous name resolution requests.

E. They may be secondary nameservers.

Correct Answer: BC


Question 4:

While copying a file to the /users file system, which is located on /dev/sdd1, you receive an error:

$ cp /etc/oratab /users/oracle cp: cannot create regular file `/users/oracle/oratab\’: Disk quota exceeded You examine your assigned quota as shown: $ quota -q Disk quotas for user oracle (uid 500):

Which option represents the reason for receiving the Disk quota exceeded error?

A. The oracle user has reached its block quota.

B. The oracle user exceeded its file quota five days ago.

C. The oracle user has reached a group quota limit.

D. The /users file system is full.

E. The oracle user exceeded its block quota six days ago.

Correct Answer: C


Question 5:

Examine the udevadm command:

udevadm info –attribute-walk –name =/dev/sdb

Which two statements are true about this command/

A. It displays the device tree, and all attributes maintained in devfs for all parent devices in the device tree for the /dev/sdb disk device.

B. The attributes listed by this command can be used in udev device naming rules.

C. It displays the device naming rules that were used to name the device as /dev/sdb.

D. It displays the device tree, and all attributes maintained in sysfs for all parent devices in the device tree for the /dev/sdb disk device.

E. It displays all attributes maintained in sysfs for the /dev/sdb kernel device, excluding parent devices.

F. It displays all attributes maintained in devfs for the /dev/sdb kernel device, excluding parent devices.

Correct Answer: CD


Question 6:

Identify the two commands that can be used to set SELinux file labels back to their default values.

A. chcon

B. fixfiles

C. semanage fcontext

D. restorecon

E. matchpathcon

F. opdate_selinux

Correct Answer: AD


Question 7:

Which statement describes the default network set up by an Oracle template script?

A. The container is isolated from the network.

B. A veth device is added to libvirt\’s virbr0 bridge.

C. A macvlan device enables DHCP from the host\’s network.

D. A private interface is routed to Open vSwitch.

Correct Answer: B

By default, the lxc-oracle template script sets up networking by setting up a veth bridge. In this mode, a container obtains its IP address from the dnsmasq server that libvirtd runs on the private virtual bridge network (virbr0) between the container and the host. The host allows a container to connect to the rest of the network by using NAT rules in iptables, but these rules do not allow incoming connections to the container. Both the host and other containers on the veth bridge have network access to the container via the bridge.


Question 8:

You want to create a new LUN, LUN ID =1, on a new target, target ID = 2. Inspect the current state of targets and LUNs in the output from tgt-admin –s. The output is filtered to show only target and LUN associations. [[email protected] init.d]# tgt-admin –s | egrep –i ‘target|lun’ Target 1: iqn.2013-03.com.example.mypc:1 LUN information: LUN: 0 LUN: 1 LUN: 2 LUN: 3

You want to add a new LUN to a new target by using the /iSCSIsharedDisk/physDisk4.img disk image file.

Which two options would you use to do this?

A. tgt-setup-lun –t 2 tgt-setup-lun –d /iSCSIsharedDisk/physDisk4.img –t 2

B. tgt-setup-lun –d /iSCSIsharedDisk/physDisk4.img –n 2

C. tgt-admin –op new \ –mode target \ –tid 2\ –targetname iqn.2013-03.com.example.mypc:2 tgt-admin –op new \

D. –mode logicalunit \ –tid 2 \ –lun 1 \ –backing-store /iSCSIsharedDisk/physDisk4.img

E. tgtadm — op new \ –mode target \ –tid 2\ –targetname iqn.2013-03.com.example.mypc:2 \ –lun 1 \ –backing-store /iSCSIsharedDisk/physDisk4.img

F. tgt-admin –d /iSCSIsharedDisk/physDisk4.img –n 2

Correct Answer: AE


Question 9:

Which three statements are true about an OpenLDAP server?

A. /etc/openldap.conf is the main configuration file for the LDAP server.

B. LDAP entries are stored in a flat namespace.

C. It can be used to store users and groups.

D. In can be used to store hostnames and their IP addresses.

E. It can replicate entries synchronously to another OpenLDAP server.

Correct Answer: ABC


Question 10:

Examine the contents of the /etc/ocfs2/cluster.conf file: node: name = exam2 cluster = mycluster number = 0 ip_address = 192.168.56.106 ip_port = 7777

node: name = exam3 cluster = mycluster number = 1 ip_address = 192.168.56.107 ip_port = 7777 clustr: name = mycluster heartbeat_mode = local node_count = 2

Identify the minimum number of commands issued, in the correct order, to create this file.

1.

o2cb add-cluster –heartbeat_mode local mycluster

2.

o2cb add-node –ip 192.168.56.107 –number 1 mycluster exam3

3.

o2cb add-cluster mycluster

4.

o2cb add-node –ip 192.168.56.106 — number 0 mycluster exam2

5.

o0cb config-cluster -node_count 2 mycluster

6.

o2cb configure

A. 3, 4, 2

B. 6, 4, 2, 3

C. 6, 4, 2, 5, 3

D. 6, 1, 4, 2

E. 1, 4, 2

F. 1, 4, 2, 5

Correct Answer: C


Question 11:

Identify the minimum required steps to configure an NIS master.

1.

Ensure that the yptools, ypbind, and ypserv RPMs are installed.

2.

Configure and set the NIS domain name.

3.

Start the ypserv service.

4.

Start the ypxfrd service.

5.

Start the yppasswdd service

6.

Run ypinit -m

7.

Start the ypbind service

A. 1, 2, 3, 6

B. 1, 2 , 3, 6, 7

C. 1, 2, 3, 4, 6, 7

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

E. 1, 2, 3, 4, 5, 6

Correct Answer: B

Reference: https://pashasysadm.wordpress.com/2014/06/16/nis-master-client-server-configuration-setup/


Question 12:

Which statement is true about btrfs file system devices?

A. You must execute the btrfs device scan after every reboot to add a device to a btrfs file system.

B. The btrfs device scan -all-devices command scans physical devices looking for members of a btrfs volume.

C. Blocks are automatically rebalanced across all existing devices after adding new devices.

D. A device may be added to btrfs only if the file system is unmounted.

Correct Answer: B


Question 13:

Which three statements are true about Btrfs copy –reflink?

A. It works only on the same btrfs file system.

B. It works only on the same subvolumes.

C. It creates a new link pointing to an existing inode.

D. It creates a new inode that shares the same disk blocks as the original.

E. It creates a clone file and disk blocks are duplicated.

Correct Answer: ABC

Reference: https://blogs.oracle.com/OTNGarage/entry/save_disk_space_on_linux


Question 14:

Examine the D script: syscall::write:entry { @[execname] = avg(arg2); }

Note that the third argument to the write(2) system call is the size of the write being made. Which statement is true about this D script?

A. It displays the average write size that each unique process makes.

B. It displays the average write size that each running program makes.

C. It does not run because the aggregate is not named.

D. It runs but produces no output.

Correct Answer: C


Question 15:

Which two statements are correct about features and capabilities of virtualization in Oracle Linux?

A. Virtualization is restricted to running a guest operating system in a virtual machine.

B. Virtualization permits the creation of virtual environments by using Linux Containers or Kernel Virtual Machine (KVM).

C. An I/O path from a host server to a peripheral device can be virtualized, enabling multiple guest VMs to share an I/O device.

D. A type-1 hypervisor, also known as a host-based hypervisor, is designed to run within a traditional operating system.

E. A type-2 hypervisor communicates directly with the computer hardware and as known as a bare-metal hypervisor.

Correct Answer: CD