Oracle 1Z0-105 Online Practice Questions and Exam Preparation

Oracle 1Z0-105 Online Questions & Answers

• Question 121:

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

• Question 122:

  Which two statements are true about the configuration of kdump for capturing a dump image after a kernel crash?

  A. kdump uses kexec to reboot the failed kernel and then captures a dump image.
  B. The crashkernel boot parameter must be added to the kernel line in the /boot/grub.conf file to enable kdump.
  C. The memory used for crashkernel is always at the same physical address.
  D. kdump requires no parameters because it is enabled by default.
  E. kdump uses kexec to boot a second kernel, which then captures a dump image.
  A. kdump uses kexec to reboot the failed kernel and then captures a dump image.
  B. The crashkernel boot parameter must be added to the kernel line in the /boot/grub.conf file to enable kdump.

• Question 123:

  The sendmail package is already installed and running on a client system.

  Identify the minimum required steps to configure sendmail ro relay outbound emails to an SMTP server.

  1.

  Install the sendmail-cf package.

  2.

  Install the sendmail-devel package.

  3.

  Specify the SMTP server in /etc/mail/sendmail.mc in the SMART_HOST declaration section.

  4.

  Execute mail in /etc/mail.

  5.

  Restart mail services by using: service send mail restart.

  A. 2, 3, 5
  B. 1, 3, 5
  C. 2, 3
  D. 2, 3, 4, 5
  E. 1, 3
  F. 1, 2, 3, 5
  G. 1, 2, 3, 4, 5
  A. 2, 3, 5

• Question 124:

  Which three statements are true about support for the XFS file system in Oracle Linux?

  A. It is a journaling, extend-based file system.
  B. It is not supported for the /boot file system.
  C. It is supported for the root (/) file system.
  D. It supports user and group disk quotas.
  E. It is supported only when created on Logical Volumes.
  F. It has a built-in volume manager.
  B. It is not supported for the /boot file system.
  D. It supports user and group disk quotas.
  F. It has a built-in volume manager.

• Question 125:

  Which three statements are true about installing Oracle Linux with btrfs root file system? (Choose three.)

  A. You must select the btrfs root file system during the initial installation.
  B. You must set up NFS or an HTTP server for a network installation.
  C. You need Oracle Linux Release 6 Update 3 or later Media Pack DVD.
  D. You must boot the target machine by using Oracle Linux release 6 for a network installation.
  E. You need the UEK Boot ISO image.
  A. You must select the btrfs root file system during the initial installation.
  B. You must set up NFS or an HTTP server for a network installation.
  D. You must boot the target machine by using Oracle Linux release 6 for a network installation.

• Question 126:

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

• Question 127:

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

• Question 128:

  Which statement it true about a general cgroup hierarchy?

  A. Any sgroup subsystems may be mapped to any cgroup hierarchies provided that a maximum of three cgroup subsystems are mapped to one cgroup hierarchy.
  B. A single cgroup hierarchy must have a maximum of one cgroup subsystem attached to it.
  C. A single cgroup hierarchy can have one or multiple sgroup subsystems attached to it.
  D. A single sgroup subsystem cannot be attached to miltiple cgroup hierarchies.
  C. A single cgroup hierarchy can have one or multiple sgroup subsystems attached to it.

• Question 129:

  Which three types of output may be obtained from commands from the crash utility in Oracle Linux?

  A. kernel data structures
  B. information about all open and closed files
  C. kernel symbol names
  D. information about all mounted and unmounted file systems
  E. a list of tasks on the sleep queue
  F. a list of tasks on the stopped queue
  A. kernel data structures
  B. information about all open and closed files
  C. kernel symbol names

• Question 130:

  Which three statements are true about the contents of the /etc/ocfs2/cluster.conf configuration file?

  A. The heartbeat stanza is required only if local heartbeat mode is enable.
  B. All stanzas must start at the first column and end with a colon.
  C. All parameters must start after a tab.
  D. A blank line must demarcate each stanza.
  E. A blank line must demarcate stanzas and parameters.
  F. All parameters must start after a tab and begin with a colon.
  C. All parameters must start after a tab.
  D. A blank line must demarcate each stanza.
  F. All parameters must start after a tab and begin with a colon.