1Z0-100 oracle - GRATIS EXAM · PDF file 1Z0-100 oracle Number : 1Z0-100 Passing Score : 800...

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1Z0-100 oracle

Number: 1Z0-100Passing Score: 800Time Limit: 120 min


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Exam A

QUESTION 1Which two aspects can be determined from this output?


A. A device is failed and has been removed from this RAID setB. It is no longer possible to write to this RAID set


C. Read and write performance is no longer optimal on this RAID setD. This RAID set was built without a spare deviceE. Only write performance is no longer optimal on this RAID set

Correct Answer: CDSection: (none)Explanation

Explanation/Reference:

QUESTION 2Examine the command on this output:

Which two statements are true about the modprobe command?

A. It will load the nfs module if all the modules upon which it depends have been loadedB. It displays the dependency resolution for the nfs module and loads all the modules upon which nfs depends before loading the nfs moduleC. It verifies that the nfs module and all other modules that depend on the nfs module are installedD. It displays the dependency resolution that would occure if the nfs module were to be loaded using modprobe nfsE. It only loads the nfs module if all the modules upon which it depends have not been loaded yet.

Correct Answer: ABSection: (none)Explanation



QUESTION 3What 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 hackB. It has a lower Mean Time Between FailuresC. It provides higher availability for applications by reducing Mean Time to RecoveryD. It scales better for more CPUs, memory, and Infiniband connections

Correct Answer: DSection: (none)Explanation


QUESTION 4Examine this output:

What is the reason for the error?

A. The file system was exported on host ol6 using the ROOT_SQUASH option B. The /export filesystem was mounted with the NOEXEC option on host ol6C. The filesystem mounted on /mnt was mounted with the NOEXEC optionD. The filesystem was exported on host ol6 by using the NO_ROOT_SQUASH option

Correct Answer: CSection: (none)Explanation



I guess it will be : The filesystem mounted on /mnt was mounted with the NOEXEC option

QUESTION 5Which two software packages are prerequisites for enabling the configuration and use of a Network Information Service (NIS) client?

A. nis-toolsB. slapi-nisC. ypbindD. nisservE. nisbindF. yp-tools

Correct Answer: CFSection: (none)Explanation

Explanation/Reference:Notice: Not covered by the course... Required packages: yp-tools ypbind ypserv portmap (http://bradthemad.org/tech/notes/redhat_nis_setup.php)

QUESTION 6Which two statements are true concerning the the configuration and use of cron and anacron?


A. Anacron jobs are used to make sure cron jobs run if the system had been down when they were meant to runB. All crontabs are held in the /etc/cron.d directoryC. Cron jobs may run as frequently as once a minuteD. Anacron jobs may run as frequently as once a minuteE. The crond deamon looks for jobs only in /etc/crontab

Correct Answer: ACSection: (none)


Explanation


QUESTION 7You recently updated the strace package to the latest version as shown:


What is the utcome of running this command?

A. It downgrades the strace package to version 4.5.19-1.6.e16B. It downgrades the strace package to version 4.5.19-1.11.e16_3.2C. It fails with an error because you cannot downgrade a package using the yum commandD. It fails with an error because there are multiple versions available to which yum can downgrade the strace packageE. It will prompt you to select a version of the strace package that you want to downgrade to

Correct Answer: BSection: (none)Explanation

Explanation/Reference:Note: In Yum 3.2.22, which come with Red Hat Enterprise Linux 5.4, there is a downgrade option. This will downgrade a package to the previously highest versionor you can specify the whole version and release number for the package to downgrade

QUESTION 8Which statement is true concerning the /etc/sysconfig directory and it’s files and subdirectories?

A. The contents are always the same for a specific version of the Oracle Linux KernelB. The file /etc/sysconfig/init is used by upstart to control the attributes of the tty devices that get startedC. The directory /etc/sysconfig/network-scripts contains files that must not modified while the network is upD. The files only contain default values for certain daemon processes



QUESTION 9Examine the routing table:


Which three statements are true concerning the routing of IP packets?

A. Traffic to 192.168.180.180 is routed via eth1B. Traffic to 192.168.180.240 is routed via eth1C. Traffic to 192.168.0.42 is routed via eth2D. Traffic to 192.168.42.42 is routed via eth2E. Traffic to 192.168.42.42 is routed via eth0F. Traffic to 192.168.180.180 is routed via eth0

Correct Answer: ACDSection: (none)Explanation


QUESTION 10You have a single network adapter called eth0.

Which two statements are true concerning eth0 based on this configuration?


A. DHCP is used to obtain lease on an IP addressB. The dhclient command may only be used to obtain a lease at boot timeC. dhclient does not override the contetns of /etc/resolve.confD. DNS is not used to resolve host names for this adapterE. dhclient overrides the contents of /etc/resolve.conf

Correct Answer: ACSection: (none)Explanation


QUESTION 11You want sendmail to deliver mail for these users:

In which configuration database can this requirement be defined?

A. /etc/aliasesB. /etc/mail/userdbC. /etc/mail/virtusertableD. /etc/mail/domaintableE. /etc/mail/genericstable


Explanation/Reference:Note: This was not covered by the corse... Aswer: http://www.yolinux.com/TUTORIALS/Sendmail.html

QUESTION 12What is the purpose of setting AUTOINSTALL to YES in /etc/uptrack.conf?



A. To install Ksplice updates during the reboot of the systemB. To install updates to the Ksplice software during a system rebootC. To enable the uptrack cron job to install Ksplice kernel updates whenever they become availableD. To enable Ksplice to automatically install the kernel rpm whenever new Ksplice kernel updates become availableE. To enable Ksplice to install kernel updates and new kernel RPMs whenever they become available



QUESTION 13Which two conditions should be met in order to successfully configure an openssh client on Oracle Linux?

A. The openss-server package must be isntalledB. The openssh package must be installedC. The sshd daemon must not be startedD. The openssh-client package must be installedE. The ssh-agent must be startedF. ssh keys must be generated by any user using the ssh client

Correct Answer: BDSection: (none)Explanation



QUESTION 14Which four statements are true about the proc and sysfs filesystems?

A. The sysfs filesystem contains information about the processesB. The proc filesystem contains information about CPUsC. The proc filesystem contains information about the memoryD. The sysfs filesystem contains information about the CPUsE. The sysfs filesystem contains information about the memoryF. The proc filesystem contains information about the installer parameters

Correct Answer: ABCSection: (none)Explanation


QUESTION 15Which three settings are required to configure openLdap to use directory service provided by ldap.example.com?

A. Set the LDAP Search Base DN and the LDAP server address and port in /etc/openldap/ldap.conf to: dc=example, dc=comldap://ldap.example.com:389

B. Set the LDAP Search Base DN and the LDAP server address and port in /etc/ldap.conf todc=example, dc=comldap://ldap.example.com:389

C. Ensure that /etc/nsswitch.conf correctly references authentication priorities:passed: files ldapshadow: files ldapgroup: files ldap

D. Ensure that the LDAP server name can be resolvedE. Ensure that DNS is used to resolve the LDAP server name

Correct Answer: ABCSection: (none)Explanation



Note: This was not covered by the 1Z0-100 course... Answer based on this: https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/5/html/Deployment_Guide/s1-ldap-pam.html

QUESTION 16Refer to the exhibit.

A user smith is on your system complained the he is not able to change his password. As the administrator, you long-listed the passwd command and the /etc/shadow file. The exhibit shows the output.

What must you do to enable this user to change his password?

Exhibit:

A. Set SGID on /usr/bin/passwdB. Set SUID on /usr/bin/passwdC. Set sticky bit on /usr/bin/passwdD. Set read and write permission for others on /etc/shadowE. Set permission on /etc/shadow to 600

Correct Answer: ESection: (none)Explanation

Explanation/Reference:I am not sure, I guess Set permission on /etc/shadow to 600

QUESTION 17What happens if you reboot a Ksplice Uprack enabled system when the following conditions exist?

A. The Ksplice updates are applied early in the boot sequence despite the fact that the internet is unreachable


B. The Ksplice updates are not applied during boot sequence, but they will be applied as soon as the Internet becomes reachable againC. The Updates are not applied during the boot sequence and will not be applied after the Internet has become reachable again.D. The system boots to singel-user mode

Correct Answer: ASection: (none)Explanation


QUESTION 18Which two statements are true about administering the use of the sudo command in Oracle Linux?

A. visudo will never save the /etc/sudoers file if there are syntax errors in the file after editingB. visudo prompts for an action if there are syntax errors in the /etc/sudoers file after editingC. Using vi to edit the /etc/sudoers opens the file read-onlyD. Multiple administrators may edit the /etc/sudoers file simultanously using visudo but only one may save the edited result

Correct Answer: ADSection: (none)Explanation


QUESTION 19Which four statements are true about the use of these files and directories by upstart?


A. /etc/rc.d/rc is executed each time the /sbin/init command is used to change services appropriately for the target run levelB. /etc/rc.d/rc.local is executed at boot time, before the run level processing takes placeC. /etc/rc.d/rc is executed at boot time, to start the appropriate services for the run level defined in /etc/inittabD. /etc/rc.d/rc.sysinit is executed once at boot time, regardless of which run level is setE. /etc/rc.d/rc.sysinit is executed each time the /sbin/init command is used to change run levelF. /etc/rc.d/rc3.d contains links to scripts in /etc/init.dG. /etc/rc.d/rc is executed after /etc/rc.d/rc.local

Correct Answer: ACDFSection: (none)Explanation



QUESTION 20Examine these details from the sysctl.conf file and from the proc filesystem:

Which statement is true about the setting created by oracle-rdbms-server-11gR2-preinstall?

A. It allows a process to request I/O without waiting for replyB. It allwos two or more processes to request I/O simultaneously while running on different CPUsC. It allows a process to request a single I/O without awaiting for a reply. However, if a second I/O is requested, then the process must waitD. It allows two or more pocesses to request I/Os and then to both be notified when both of them are complete



QUESTION 21You use the chkconfig command to administer one of the services on your Oracle Linux system:

No changes have been made to the init script for the service. Which two statements are true regarding the effects of issuing this command?

A. The vncserver service is shut downB. The vncserver service configuration is disabled only for those run levels for which it is currently enabledC. The vncserver service configuration is disabled on run levles 2, 3, 4 and 5D. The vncserver service remains in the same state it was in before the command was issued


E. The vncserver service configuration is disabled for run levels 3 and 5 only

Correct Answer: BDSection: (none)Explanation


QUESTION 22Examine the commands used by root to create a chrooted environment in the /jail directory:

The user root then issues this command:

# chroot /jail

What is the output from the cd, pwd, and ls commands?

A. bash-4.1# cdbash-4.1# pwd/rootbash-4.1# lsbash: ls command not found

B. bash-4.1# cdbash: cd: /root: No such file or directorybash-4.1# pwd/bash-4.1# ls


bash: ls command not found

C. bash-4.1# cdbash: cd: command not foundbash-4.1# pwdbash: pwd: command not foundbash-4.1# ls

D. bash-4.1# cdbash: cd: /root: unable to access chrooted file or directory /rootbash-4.1# pwd/bash-4.1# lsbin lib64

E. bash-4.1# cdbash: cd: /root: No such file or directorybash-4.1# pwd/rootbash-4.1# lsbin lib64



QUESTION 23Examine the partition table:

Which program can not be used to add another partition on this device?

A. fdiskB. cfdiskC. parted


D. kpartx

Correct Answer: DSection: (none)Explanation

Explanation/Reference:Note: kpartx is not a partitioning tool, it creates device maps

QUESTION 24What is the purpose of ONPARENT = NO in an interface configuration file located in /ect/sysconfig/network-scripts?

A. To prevent a network interface from being brought up during system startupB. To prevent a slave network interface from being brought up during system startupC. To prevent an alias network interface from being brought up during system startupD. To prevent a master network interface from being brought up during system startup



QUESTION 25You must remove the user harhest from your Oracle Linux system because the person has left the company.

User harhest has numerous files, directories and crontab. You issue:

# userdel –r harhest

Which three outcomes result from the execution of this command?

A. Files in the harhest home directory are removedB. The home directory of harhest is removedC. Files owned by harhest in any directory are removedD. All directories owned by harhest are removedE. The /var/spool/mail/harhest mailbox is removedF. crontab /var/spool/cron/harhest is removed


Correct Answer: ABESection: (none)Explanation


QUESTION 26Match the rpm options with their functions:

A. 1-d, 2-a, 3-b, 4-cB. 1-d, 2-b, 3-a, 4-cC. 1-a, 2-c, 3-b, 4-cD. 1-a, 2-b, 3-c, 4-d



QUESTION 27Examine the line from /etc/rsyslog.conf:

Mail.* -/var/log/maillog

Which statement correctly describes this rule?

A. The rule name prefix of ’-’ is tolerated for syslog and syslog.sys compatibility with no impact on rsyslog behavior regardless fo the global directive settingsB. The file name prefix of ’-’ is a way of disabling mail log messages unde certain conditions to /var/log/maillogC. The filename prefix of ’-’ is a performance enhencement. It stops file syncing on every message. The log certain will be the same wether a minus prefix is used


or notD. The filename prefix of ’-’ froces the file sysncing after every message is logged to ensure each message is written to disk before attempting to write a

subsequent message to the same file


Explanation/Reference:Note: The -/var/log/maillog means log to the file /var/log/maillog. The preceding dash tells syslogd not to call fsync(), i.e. do not flush the kernel buffer todisk after every write to the file.

QUESTION 28Which two statements are true concerning a GUID Partition Table (GPT)?

A. It supports named disk partitionsB. It supports primary and extended partitionsC. It supports disks greater then two terabytesD. It cannot be used on the system diskE. It supports only up to 16 partitions

Correct Answer: ACSection: (none)Explanation



1Z0-100 oracle - GRATIS EXAM · PDF file 1Z0-100 oracle Number : 1Z0-100 Passing Score : 800...

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