Oracle 1z0-100 問題集

質問 1：
You want sendmail to deliver mail for these users:
[email protected] mailbox jsmith1
[email protected] mailbox jsmith2
[email protected] mailbox jsmith3
In which sendmail configuration database can this requirement be defined?
A. /etc/mail/virtusertable
B. /etc/mail/userdb
C. /etc/mail/genericstable
D. /etc/mail/domaintable
E. /etc/aliases
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 2：
Examine the output shown:
[root@FAROUT fs] # rpm -qa | grep preinstall
Oracle-rdbms-server-11gR2-preinstall-1.0-6.e16.x86_64
[root@FAROUT fs] # rpm -q1 oracle-rdbms-server-11gR2-preinstall-1.0-6.e16.x86_64
/etc/rc.d/init.d/oracle-rdbms-server-11gR2-preinstall-firstboot
/etc/sysconfig/Oracle-rdbms-server-11gR2-preinstall-verify
/etc/sysconfig/oracle-rdbms-server-11gR2-preinstall/Oracle-rdbms-server-11gR2-preinstall.param
/usr/bin/oracle-rdbms-server-11gR2-preinstall-verify
Which three statements are true about oracle-rdbms-server-11gR2-preinstall-1.0-6.e16.x86_64 rpm?
A. It is a new name for oracle-validated package from Oracle Linux 5 that sets parameters to the same values.
B. It modifies kernel parameters in /etc/sysctl.conf.
C. It modifies parameters in the /etc/sysconfig/network-scripts directly.
D. It creates the grid user if not already created which owns the grid infrastructure software should that get installed.
E. It runs at the first boot after installing the packages to set a parameter indicating that is has run once.
F. It creates the osoper group, if not already created.
G. It creates the oracle user if not already created, which owns the Grid Infrastructure software should that get installed.
正解：A,B,G

質問 3：
Which two actions are the required steps to prevent: non-root ssh access to the system?
A. Ensuring that /etc/pam.d/sshd includes: account requiredpam_nologin.so
B. Creating the /etc/nologin.allow file containing a single line root
C. Creating the /etc/nologin file
D. Ensuring that /etc/pam.d/sshd includes: account sufficient pam_nologin.so
E. Create the /etc/nologin/login.deny file containing a single line +all
正解：A,C
解説: (Topexam メンバーにのみ表示されます)

質問 4：
What is the main advantage of the Oracle Unbreakable Enterprise Kernel compared with the Red Hat compatible kernel?
A. It is more secure and, therefore, more difficult to hack.
B. It scales better for more CPUS, memory, and Infiniband network connections.
C. It provides higher availability for applications by reducing Mean Time to Recovery.
D. It has a lower Mean Time Between Failures.
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 5：
Examine the commands used by root to create the chrooted environments in the /jail directory:
# mkdir /jail/bin/jail/lib64
# cp /bin/bash/jail/bin
linux-vdso.so.1 => (0x00007fff68dff000)
libtinfo.so.5 => /lib64/libtinfo.so.5 (0x00000033e00000)
lid1.so.2 => /lib64/libc.so.6 (0x00000033e1600000)
/lib64/id-linix-86-64.so.2 (0x00000033e0e00000)
# cp /lib64/libtinfo.so.5/jail/lib64
# cp /lib64/libd1.so.6 /jail/lib64
# cp /lib64/libc.so.6 /jail/lib64
# cp /lib64/id-linux-x86-64.so.2 /jail/lib64
The user root then issues this command:
# chroot /jail
What is the output from the cd, pwd, and 1s commands?
A. bash-4.1# cdbash-4.1# pwd/rootbash-4.1# 1sbash" 1s: command not found
B. bash-4.1# cdbash: cd: command not foundbash: pwd: command not foundbash-4.1# 1s
C. bash-4.1# cdbash: cd: /root: No such file or directory bash-4.1# pwd/bash-4.1# 1sbin lib64
D. bash: 1s; # cdbash: cd: /root: unable to access chrooted file or directory /rootbash-4.1# pwd/bash-4.1 #
1sbin lib64
E. bash-4.1# cdbash: cd: /root: No such file or directory bash-4.1# pwd/bash-4.1 # 1sbash: 1s: command not found
正解：E

質問 6：
Examine the commands and output shown:

What is the cause of this connection refusal? (Choose the best answer.)
A. The web server has no documents to serve
B. The system has no route to localhost
C. The firewall blocked the connection due to an unintended rule blocking localhost port 80
D. The web server is not listening on the local loopback adapter
正解：C

質問 7：
Which two conditions should be met in order to successfully configure an openssh client on Oracle Linux?
A. The openssh-client package must be installed.
B. ssh keys must be generated by any user using the ssh client.
C. The openssh-server package must not be installed.
D. The sshd daemon must not be started.
E. The openssh package must be installed.
F. The ssh-agent must be started.
正解：A,E
解説: (Topexam メンバーにのみ表示されます)