Oracle 1z0-100 問題集

質問 1：
Which two statements are true about the Unbreakable Linux Network (ULN)?
A. It contains additional packages not found on the installation media.
B. It contains both source and binary RPM packages.
C. It is the only location to download errata.
D. It is freely available to all Oracle Linux customers.
E. It contains only binary RPM packages.
F. All Unbreakable Linux subscribers are allowed to deploy a local YUM repository.
正解：A,B
解説: (Topexam メンバーにのみ表示されます)

質問 2：
Which three statements are true regarding the use and administration of su and sudo in Oracle Linux? (Choose three.)
A. Using su-test to switch to the test user does not run the test user's login scripts
B. The /etc/sudoers file may be edited to prevent root from executing certain executables unless a password is provided
C. The /etc/sudoers file may be edited to allow a use to execute certain root-owned executables with root privileges
D. The /etc/sudoers file may be edited to prevent a user from using su to switch to another user
E. The /etc/sudoers file may be edited to permit certain executables to be used with root privileges only if they are run on certain hosts
F. A user may use su to start a new shell
正解：B,C,E

質問 3：
Which statement correctly describes the default location of the GRUB bootloader code used by Oracle Linux?
(Choose the best answer.)
A. All of the GRUB bootloader code is written to the /boot filesystem
B. All of the GRUB bootloader code is written to the Master Boot Record (MBR)
C. A portion of the GRUB bootloader code is written to the Master Boot Record (MBR) and the rest is written to the / filesystem
D. A portion of the GRUB bootloader code is written to the /boot filesystem and the rest is written to the / filesystem
E. A portion of the GRUB bootloader code is written to the Master Boot Record (MBR) and the rest is written to the /boot filesystem
正解：E

質問 4：
What is the purpose of Setting AUTOINSTALL to YES /etc/uptrack.conf?
A. To enable the uptrack cron job to install Ksplice kernel updates whenever they become available
B. To install updates to the Ksplice software Itself during a system reboot
C. To install Ksplice kernel updates during the reboot of a system
D. To enable Ksplice to install Ksplice kernel updates and new kernel RPMS whenever they become available
E. To enable Ksplice to automatically install the kernel rpm whenever new Ksplice kernel updates become available
正解：E
解説: (Topexam メンバーにのみ表示されます)

質問 5：
Users complain that system performance is unacceptable when using a specific application service running on a multiprocessor service.
You have established from the storage team that disk response times have not increased, so you can discount there being an I/O problem.
You run vmstat to look at CPU activity and notice high average disk times on the multiprocessor system and an average run queue of zero.
You require more detail about each CPU from which the vmstat figures are derived, to investigate if the load is distributed evenly across all CPUs.
Which three commands provide more detailed information about CPU load distribution?
A. mpstat
B. vmstat
C. iostat -x
D. sar
E. top
正解：A,B,D
解説: (Topexam メンバーにのみ表示されます)

質問 6：
What is the purpose of setting ONPARENT = no in an Interface configuration file located in
/etc/sysconfig/network-scripts?
A. To prevent a master network interface from being brought up during system startup
B. To prevent a network interface from being brought up during system startup
C. To prevent a slave network interface from being brought up during system startup
D. To prevent an alias network interface from being brought up during system startup
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 7：
Which four statements correctly describe the contents of the sysfs filesystem?
A. It contains metadata on firmware.
B. It contains metadata on all block devices.
C. It contains kernel parameter files.
D. It contains metadata on system uptime.
E. It contains metadata on device classes.
F. It contains metadata on all loaded modules in the kernel.
正解：A,B,E,F