Free Oracle 1z0-100 Exam Dumps Questions & Answers

Identify two true statements about the nice command.

• A.  It may the used to raise the priority of existing processes.
• B.  It may be used to lower the priority of existing processes.
• C.  It may be used to set the initial priority of a process.
• D.  By default, a normal user can make a process run at a higher priority.
• E.  A higher nice value makes a process run at a lower priority.

Which four statements are true about the proc and sysfs filesystem?

• A.  The proc filesystem contains information about the installer parameters.
• B.  The proc filesystem contains information about CPUs.
• C.  The proc filesystem contains information about memory.
• D.  The sysfs filesystem contains information about CPUs.
• E.  The sysfs filesystem contains information about processes.
• F.  The sysfs filesystem contains information about memory.

Which statement correctly describes the requisite PAM control flag? (Choose the best answer.)

• A.  requisite flagged modules must be successfully checked for authentication to succeed. If a requisite module checks fails, the user is not notified until all other modules of the same module's type have been checked
• B.  requisite flagged modules must be successfully checked for authentication to succeed. If a requisite module checks fails, the user is notified immediately with a message reflecting the first failed required or requisite module
• C.  requisite items only play a role when no other modules of that module type have succeeded or failed. In that case, the success or failure of a requisite flagged module determines the overall PAM authentication for that module type
• D.  requisite flagged modules are ignored if they fail

Which three settings can be controlled by using the chage breemar command as the root user, to modify the parameters in the /etc/shadow file?

• A.  The minimum number of days that must elapse between password changes by the user breemar
• B.  The maximum number of days that must elapse between password changes by the user breemar before the password becomes invalid
• C.  The expiration date of the breemar account
• D.  The number of days after the breemar account is locked, that it becomes unlocked
• E.  The maximum number of failed login attempts on the breemar account before the account is locked
• F.  The number of days after the breemar account is locked, that it becomes expired

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