Oracle 1Z0-100 Online Practice Questions and Exam Preparation

Oracle 1Z0-100 Online Questions & Answers

• Question 21:

  Which three statements are true about maintaining system parameters in Oracle Linux? (Choose three.)

  A. echo can be used to change values for various system parameters
  B. sysctl –w can be used to change values for various system parameters
  C. Changes made using echo are lost after rebooting the system
  D. Changes made using sysctl –w are preserved after rebooting the system
  E. Changes made to /etc/sysctl.conf take effect immediately after saving the file
  A. echo can be used to change values for various system parameters
  B. sysctl –w can be used to change values for various system parameters
  D. Changes made using sysctl –w are preserved after rebooting the system

• Question 22:

  You recently updated the strace package to the latest version as shown: What is the outcome of running this command?

  A. It downgrades the strace package to version 4.5.19-1.6.e16.
  B. It downgrades strace package to version 4.5.19-1.11.e16_3.2.
  C. It fails with an error because you cannot downgrade a package using the yum command.
  D. It fails with an error because there are multiple versions available to which Yum can downgrade the strace package.
  E. It will prompt you to select a version of the strace package that you want to downgrade.
  A. It downgrades the strace package to version 4.5.19-1.6.e16.

• Question 23:

  The user scott tries to create a directory hierarchy under a specific directory location and encounters an error:

  

  Which command must scott use to create the directory hierarchy successfully? (Choose the best answer.)

  A. mkdir /test/test1/stored/all
  B. mkdir –r test/test1/stored/all
  C. mkdir –p test/test1/stored/all
  D. mkdir R test/test1/stored/all
  E. mkdir –r /tmp/test/test1/stored/all
  C. mkdir –p test/test1/stored/all

• Question 24:

  Which three actions may be done using the Anaconda installer when working with an Oracle Linux 6 system? (Choose three.)

  A. downgrading an installed system
  B. booting an installed system from a local drive
  C. attempting a rescue to repair problems with a partition table that prevents booting an installed system
  D. deinstalling an installed system
  E. upgrading an installed system
  B. booting an installed system from a local drive
  C. attempting a rescue to repair problems with a partition table that prevents booting an installed system
  E. upgrading an installed system

• Question 25:

  You are attempting to install Oracle Linux 6 with default options and the screen is distorted. You stop the install. Which two methods can you use to install Oracle Linux and work around this problem? (Choose two.)

  A. Install the system using text mode
  B. Press the tab key and enter askmethod to allow a choice of video drivers to be listed
  C. Specify the screen resolution at the Anaconda boot prompt
  D. Install the system using a different X server
  E. Install the system with the basic video driver option
  A. Install the system using text mode
  C. Specify the screen resolution at the Anaconda boot prompt

• Question 26:

  Which two actions should an Oracle Linux administrator perform to configure a server so that its clock is synchronized with a reference time server? (Choose two.)

  A. Run ntpd at system boot to ensure that the system clock is synchronized with the reference time server
  B. Run rdate at system boot to ensure that the system clock is synchronized with the reference time server
  C. Run the ntpdate daemon to update the system clock, thereby keeping it synchronized with the reference time server
  D. Run ntpdate at system boot to ensure that the system clock is synchronized with the reference time server
  E. Run the ntpd daemon to update the system clock, thereby keeping it synchronized with the reference time server
  F. Run the rdate daemon to update the system clock, thereby keeping it synchronized with the reference time server
  A. Run ntpd at system boot to ensure that the system clock is synchronized with the reference time server
  B. Run rdate at system boot to ensure that the system clock is synchronized with the reference time server
  D. Run ntpdate at system boot to ensure that the system clock is synchronized with the reference time server

• Question 27:

  Examine the output of a bonded interface configuration from which one network cable has been unplugged:

  

  Which statement is true when you plug in the eth2 network cable?

  A. The status of the slave interface eth2 changes to up and becomes a backup slave
  B. The status of the slave interface eth2 changes to up and becomes a second active slave.
  C. The status of the slave interface eth2 changes to up but must be manually assigned the active or backup slave role.
  D. The status of the slave interface eth2 changes to up and is promoted to the primary active slave whereas eth1 becomes the backup slave
  B. The status of the slave interface eth2 changes to up and becomes a second active slave.

• Question 28:

  

  Which four statements are about the use of these files and directories by UPSTART?

  A. /etc/rc.d/rc is executed each time the /sbin/init command us used, to change services appropriately for the target run level.
  B. /etc/rc.d/rc.local is executed at boot time, before the run level processing takes place.
  C. /etc/rc.d/rc is executed at boot time, to start the appropriate services for the run level defined in /etc/ initab.
  D. /etc/rc.d/rc.sysinit is executed once at boot time, regardless of which run level is set.
  E. /etc/rc.d/rc.sysint is executed each time the /sbin/init command is used to change the run level.
  F. /etc/rc.d/rc3.d contains links to scripts in /etc/init.d.
  G. /etc/rc.d/rc is executed after /etc/rc.d/rc.local.
  D. /etc/rc.d/rc.sysinit is executed once at boot time, regardless of which run level is set.
  E. /etc/rc.d/rc.sysint is executed each time the /sbin/init command is used to change the run level.
  F. /etc/rc.d/rc3.d contains links to scripts in /etc/init.d.
  G. /etc/rc.d/rc is executed after /etc/rc.d/rc.local.

• Question 29:

  Which three statements are true about administering user accounts and groups for an Oracle Linux server in preparation for installing the Oracle Database server?

  A. The Oracle software owner must be a Linux user called oracle.
  B. The Oracle software owner must not be the root user.
  C. The owner of the Oracle httpd daemon process must be the Linux user called nobody.
  D. A Linux user who is a member of the OSDBA group may start an Oracle database instance.
  E. The /etc/sudoers file must specify that the Oracle software owner be allowed to run commands as root.
  F. The OINSTALL group owns the Oracle Inventory.
  A. The Oracle software owner must be a Linux user called oracle.
  D. A Linux user who is a member of the OSDBA group may start an Oracle database instance.
  F. The OINSTALL group owns the Oracle Inventory.

  ---

  A: The Oracle software owner user (typically, oracle) You must create this user the first time you install Oracle software on the system. This user owns all of the software installed during the installation. This user must have the Oracle Inventory group as its primary group. It must also have the OSDBA and OSOPER groups as secondary groups.

  D: The OSDBA group (dba)

  You must create this group the first time you install Oracle Database software on the system. It identifies operating system user accounts that have database administrative privileges (the SYSDBA privilege). The default name for this group is dba.

  F: The Oracle Inventory Group (typically, oinstall)

  You must create this group the first time you install Oracle software on the system. The default name chosen for this group is oinstall. This group owns the Oracle inventory that is a catalog of all Oracle software installed on the system.

• Question 30:

  Examine some of the contents of the /boot/grub/grub.com file from an Oracle Linux system:

  Default=0 Timeout=5 Splashimage=(hd0, 0)/grub/splash.xpm.gz Hiddenmenu Title Oracle Linux Server (2.6.39-100.0.12.16uek.x86_64) Root (hd0, 0) Kernet /vmlinuz-2.6.39-100.0.12.e16uek.x86_64 ro root=UUIP=a4b6049b-9aa1-44b4-87cf- aebb17alcdf9 rd_NO_LUKS re_NO_LVM rd_NO_DM LANG=en_US.UTF-8 SYSFONT=1atarcycreheb-sun16 KEYBOARDTYPE=PC KEYTABLE=us rhgb quiet numa=off Initrd /initramfs-2.6.39-100.0.12.e16uek.x86_64.img Title Oracle Linux Server (2.6.32-131.0.15.e16.x86_64) Root (hd0, 0) Kernel /vmlinuz-2.6.32-131.0.15.e16.x86_64 ro root=UUIS=a4b6049b-9aa1-44b4-87cf-aebb17a1cdf9 rd_NO_LUKS rd_NO_LVM rd_NO_LVM re_NO_MD rd_NO_DM LANG=en_UD.UTF-8 SYSFONT=latarcyheb-sun16 KEYBOARDTYPE=PC KEYTABLE=us Crashkernel=auto rhgp quiet numa = off Initrd /initramfs-2.6.32-131.0.15.e16.x86_64.img

  Which three statements are true about the behavior and configuration of GRUB on this system?

  A. (hd0, 0) represents the first partition on device /dev/hd0.
  B. The hiddenmenu directive hides the GRUB menu only for 5 seconds after which it becomes visible again.
  C. The root directive specifies an initial root filesystem, allowing access to block device modules to mount the real root filesystem on disk.
  D. (hd0, 0) represents the first partition on the first drive detected by the BIOS.
  E. The initrd directive specifies the initamfs, an initial root filesystem in RAM, allowing access to block device modules to mount the real root filesystem.
  F. Each kernel must have an initramfs that matches the version of the kernel.
  G. Because there is an Unbreakable Enterprise Kernel installed, it must be the default kernel listed as shown by the default=0 directive.
  A. (hd0, 0) represents the first partition on device /dev/hd0.
  C. The root directive specifies an initial root filesystem, allowing access to block device modules to mount the real root filesystem on disk.
  E. The initrd directive specifies the initamfs, an initial root filesystem in RAM, allowing access to block device modules to mount the real root filesystem.