Oracle 1z0-100 問題集

質問 1：
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 2：
You installed the sendmail-cf package using the yum command as shown:
# yum -Y install sendmail-cf
Loaded plugins: security
Setting up Install Process
Resolving Dependencies
- -> Running Transaction Check
- - - > Package sendmail-cf.noarch 0:8.14.4-8.e16 will be installed
- - > Processing Dependency: sendmail = 7.14.4-8.e16 for package: sendmail-cf-8.14.4-8.e16.noarch
- - > Running transaction check
- - > Package sendmail.x86_64 0:8.14.4-8.e16 will be installed
- - > Finished Dependency Resolution
Dependency Resolved

What is the outcome of the YUM command?
# yun -y remove sendmail
A. It succeeds and only removes the sendmail package.
B. It succeeds and removes both the sendmail and sendmail-cf packages.
C. It removes the sendmail packages and raises a warning about the sendmail-cf package, which depends on the package being removed.
D. It fails with an error because the sendmail-cf package depends on the package being removed.
E. It removes the sendmail package and prompts you for the option to remove the sendmail-cf package.
正解：B

質問 3：
Which three statements are true about rpm package dependencies?
A. A source RPM can have a dependency on a binary RPM.
B. The YUM command can only detect and resolve direct package dependencies.
C. The RPM command can detect both direct and indirect package dependencies.
D. The YUM command can detect and resolve direct and indirect package dependencies.
E. The YUM command can detect and resolve indirect package dependencies only within the same repository.
F. The RPM command can detect only direct package dependencies.
正解：A,C,E
解説: (Topexam メンバーにのみ表示されます)

質問 4：
Examine the extract of the /etc/nologin file and the /etc/pam.d/login file on server1:
[root@server1 ~] # cat /etc/nologin
bob
smith
[root@server1 ~] # cat /etc/pam.d/login
accountrequiredpam_nologin.so
accountincludesystem-auth
Which statement is true about users?
A. All users, including the root user, would be permitted to log in to the system.
B. Only the root user can log in to the system.
C. Only users root bob and smith would be unable to log in to the system.
D. All users, including the root user, would be unable to log in to the system.
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 5：
Which two statements are true about the Ksplice patching feature feature of Oracle Linux when running in standard mode? (Choose two.)
A. It can update the kernel without rebooting the system
B. It can update both the Unbreakable Enterprise Kernel (UEK) as well as the Red Hat compatible kernel
C. It requires access to the Internet, either direct or via a proxy server
D. Updates to the Ksplice software are installed automatically
E. It can update both the running kernel in memory and the corresponding kernel image on disk
正解：A,E

質問 6：
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 7：
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