oracle 1z0-105 practice test

Oracle Linux 6 Advanced System Administration


Question 1

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.
Answer:

C D

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Question 2

Which two statements are true about a btrfs file system on a SSD flash disk? (Choose two.)

  • A. The TRIM/discard feature is enabled by default.
  • B. btrfs automatically turns off all optimizations for rotational media.
  • C. btrfs automatically detects SSD.
  • D. You must enable the SSD option during the creation of a btrfs file system.
Answer:

B D

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Question 3

Examine the output of the lscgroup command:
cpuset, cpu, memory:/ cpuset, cpu, memory:/A2 cpuset, cpu, memory:/A2/A3 cpuset, cpu, memory:/B1 cpuset, cpu,
memory:/A1 blkio:/ blkio:/B1 cpuacct:/
Which statement changes the shares parameter of the cpu subsystem for the group A3 to a value of 2?

  • A. cgset –r cpu.shares=2 A3
  • B. cgset –r cpu.shares=2 A3/A3
  • C. cgset –r shares=2 cpu:/A2/A3
  • D. cgset –r cpu.shares=2 cpuset, cpu, memory:/A2/A3
Answer:

C

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Question 4

Examine the configuration steps 1 through 5:
1 Discover iSCSI targets available to the client system.
2 Establish iSCSI sessions.
3 Start the iscsi initiator daemon.4 Create iSCSI interfaces.
Which option represents the correct order for iSCSI client configuration?

  • A. 1, 3, 4, 2
  • B. 3, 4, 1, 2
  • C. 1, 2, 3, 4
  • D. 4, 3, 1, 2
Answer:

A

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Question 5

Which two statements are true about OCFS2 configuration? (Choose two.)

  • A. A cluster layout configuration is requied to mount an OCFS2 file system on a nonclustered system.
  • B. You can use the o2cb utility to create a cluster layout configuration.
  • C. You can use a text editor to create the /etc/ocfs2/cluster.conf file.
  • D. A cluster layout configuration is forbidden when mounting an OCFS2 file system on a nonclustered system.
Answer:

A B

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Question 6

Examine the output of the kpartx command:

The ./virtual_disk.ing file contaons an ext3 file system.
Which command would you use to mount this file system on/mnt?

  • A. mount /dev/loop0p1 /mnt
  • B. mount /dev/mapper/loop0p1 /mnt
  • C. mount –t ext3 /dev/mapper/loop0 /mnt
  • D. mount –t ext3 /dev/loop0 /mnt
Answer:

A C

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Question 7

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.
Answer:

C D

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Question 8

Examine these commands and their output:

The next command you run is:
# xfs_growfs /xfs1
What is the result of running this command?

  • A. Only the data section is resized to occupy all available space of the underlying logical volume.
  • B. It fails because a mounted XFS file system cannot be resized.
  • C. Only the log section is resized to occupy all available space of the underlying logical volume.
  • D. Both the data and log sections are resized to occupy all available space of the underlying logical volume.
  • E. If fails because there is no size specified.
  • F. The data, log and internal sections are resized to copy all available space of the underlying logical volume.
Answer:

D

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Question 9

After creating empty mount point /xfs1, you execute the command:
# mkfs t xfs L /xfs1 l logdev=/dev/sdd1 /dev/sdh1
Which two statements are true about the effects of executing the mkfs command?

  • A. It fails if there is an existing XFS file system on /dev/sdh1.
  • B. It fails if there is an existing XFS log on /dev/sdd1.
  • C. It fails if there is an existing XFS file system on /dev/sdd1.
  • D. It fails because there is no size specified for the XFS log.
  • E. The xfs1 file system is mounted automatically during system startup.
  • F. It creates and mounts the /xfs1 file system.
Answer:

D F

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Question 10

Examine the output displayed on a DHCP server:

All addresses in RANGE have been leased and have not yet expired.
An additional client, other than HOST201, requests a lease on the 192.168.100.0 subnet from the DHCP server.
What is the outcome of the request for this lease?

  • A. The request always fails.
  • B. The request succeeds if the HOST201 lease is currently not in use.
  • C. The request succeeds as long as the HOST201 lease was never used.
  • D. The request succeeds if at least one lease in RANGE has been granted to a host that is currently offline.
Answer:

B

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