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Oracle 1z0-100 Exam Practice Questions (P. 5)

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Question #21
Which two conditions should be met in order to successfully configure an openssh client on Oracle Linux?
  1. A
    The openssh-server package must not be installed.
  2. B
    The openssh package must be installed.
  3. C
    The sshd daemon must not be started.
  4. D
    The openssh-client package must be installed.
  5. E
    The ssh-agent must be started.
  6. F
    ssh keys must be generated by any user using the ssh client.

Correct Answer:
BD
To connect to an OpenSSH server from a client machine, you must have the openssh-clients and openssh packages installed on the client machine.

Question #22
Which three settings are required to configure an openLdap to use directory service provided by Ldap.example.com?
  1. A
    Set the LDAP Search Base DN and the LDAP server address and postin /etc/openldap/ldap.conf to: dc=example, dc = comldap://ldap.example.com:389
  2. B
    Set LDAP Search Base DN and the LDAP server address and port in /etc/ldap.conf to: dc=example, dc=comldap://ldap.example.com:389
  3. C
    Ensure that /etc/nsswitch.conf correctly references authentication priorities: passed: files ldapshadow: files ldapgroup: files ldap
  4. D
    Ensure that the LDAP server name can be resolved.
  5. E
    Ensure that DNS is used to resolve the LDAP server name.

Correct Answer:
ACE
A: The configuration file for the OpenLDAP libraries is /usr/local/etc/openldap/ldap.conf.
C: In order to use LDAP naming services, you must also properly configure all LDAP client machines, in addition to modifying the nsswitch.conf
E: The client's domain name must be served by the LDAP server

Question #23
Refer to the Exhibit.
[root@server1 ~ # 1s -1 /usr/bin/passwd
-r-xxx 1 root root 21200 oct 7 21:01 /usr/bin/passwd
[root@server1 ~] # 1s -1 /etc/shadow
-r - - - - - - - - 1 root root 1818 Mar 7 10:31 /etc/shadow]
[root@server1 ~]#
A user smith is on your system complained that he is not able to change his password. As the administrator, you long-listed the passwd command and the /etc/ shadow file.
View the Exhibit that shows the output.
What must you do to enable this user to change his password?
  1. A
    Set SGID on /usr/bin/passwd.
  2. B
    Set SUID on /usr/bin/passwd.
  3. C
    Set sticky bit on /usr/bin/passwd.
  4. D
    Set read and write permission for others on /etc/shadow.
  5. E
    Set permission on /etc/shadow to 600.

Correct Answer:
B

Question #24
What happens if you reboot a Ksplice Uptrack-enabled system when the following conditions exist?
1. The Internet is unreachable due to a failing router.
2. The INSTALL_ON_REBOOT property is set to YES in /etc/uptrack/uptrack.conf.
  1. A
    The Ksplice updates are applied early in the boot sequence despite the fact that the Internet is unreachable.
  2. B
    The Ksplice updates are not applied during the boot sequence, but they will be applied as soon as the Internet becomes reachable again.
  3. C
    The updates are not applied during the boot sequence and will not be applied after the Internet has become reachable again.
  4. D
    The system waits in the boot sequence for the internet to become reachable again.
  5. E
    The system boots to single-user mode.

Correct Answer:
A
* # Automatically install updates at boot time. If this is set, on
# reboot into the same kernel, Uptrack will re-install the same set of
# updates that were present before the reboot.
install_on_reboot = yes
* To install updates automatically at boot time, the following entry must appear in /etc/uptrack/uptrack.conf: install_on_reboot = yes

Question #25
Which two statements are true about administering the use of the Sudo command in Oracle Linux?
  1. A
    visudo will never save the /etc/sudoers file if there are syntax errors in the file after editing.
  2. B
    visudo prompts for an action if there are syntax errors in the /etc/sudoers file after editing.
  3. C
    Using vi to edit /etc/sudoers opens the file read only.
  4. D
    Multiple administrators may edit the /etc/sudoers file simultaneously using visudo but only one may save the edited result.
  5. E
    Multiple administrators may edit the /etc/sudoers file simultaneously using vi but only one may save the edited result.

Correct Answer:
BC

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