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Code d'Examen: 1Z0-202
Nom d'Examen: Oracle (Siebel 8 Consultant Exam)
Questions et réponses: 146 Q&As

Code d'Examen: 1Z0-047
Nom d'Examen: Oracle (Oracle Database SQL Expert)
Questions et réponses: 260 Q&As

Code d'Examen: 1Z1-403
Nom d'Examen: Oracle (Enterprise Linux System Administration)
Questions et réponses: 115 Q&As

Code d'Examen: 1Z1-050
Nom d'Examen: Oracle (Oracle Database 11g: New Features for Administrators)
Questions et réponses: 183 Q&As

Code d'Examen: 1Z0-048
Nom d'Examen: Oracle (Oracle Database 10g R2: Administering RAC)
Questions et réponses: 150 Q&As

1Z1-050 Démo gratuit à télécharger: http://www.pass4test.fr/1Z1-050.html

NO.1 Which two statements are true with respect to the maintenance window? (Choose two.)
A.A DBA can enable or disable an individual task in all maintenance windows.
B.A DBA cannot change the duration of the maintenance window after it is created.
C.In case of a long maintenance window, all Automated Maintenance Tasks are restarted every four
hours.
D.A DBA can control the percentage of the resource allocated to the Automated Maintenance Tasks in
each window.
Answer: AD

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NO.2 Which two are the prerequisites to enable Flashback Data Archive? (Choose two.)
A.Undo retention guarantee must be enabled.
B.Database must be running in archivelog mode.
C.Automatic undo management must be enabled.
D.The tablespace on which the Flashback Data Archive is created must be managed with Automatic
Segment Space Management (ASSM).
Answer: CD

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NO.3 Examine the following PL/SQL block:
Which statement describes the effect of the execution of the above PL/SQL block?
A.The plan baselines are verified with the SQL profiles.
B.All fixed plan baselines are converted into nonfixed plan baselines.
C.All the nonaccepted SQL profiles are accepted into the plan baseline.
D.The nonaccepted plans in the SQL Management Base are verified with the existing plan baselines.
Answer: D

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NO.4 Your organization decided to upgrade the existing Oracle 10g database to Oracle 11g database in a
multiprocessor environment. At the end of the upgrade, you observe that the DBA executes the following
script:
SQL> @utlrp.sql
What is the significance of executing this script?
A.It performs parallel recompilation of only the stored PL/SQL code.
B.It performs sequential recompilation of only the stored PL/SQL code.
C.It performs parallel recompilation of any stored PL/SQL as well as Java code.
D.It performs sequential recompilation of any stored PL/SQL as well as Java code.
Answer: C

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NO.5 Which two statements about Oracle Direct Network File System (NFS) are true? (Choose two.)
A.It bypasses the OS file system cache.
B.A separate NFS interface is required for use across Linux, UNIX, and Windows platforms.
C.It uses the operating system kernel NFS layer for user tasks and network communication modules.
D.File systems need not be mounted by the kernel NFS system when being served through Direct NFS.
E.Oracle Disk Manager can manage NFS on its own, without using the operating system kernel NFS
driver.
Answer: AE

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NO.6 You installed Oracle Database 11g and are performing a manual upgrade of the Oracle9i database.
As a part of the upgrade process, you execute the following script:
SQL>@utlu111i.sql
Which statement about the execution of this script is true?
A.It must be executed from the Oracle Database 11g environment.
B.It must be executed only after the SYSAUX tablespace has been created.
C.It must be executed from the environment of the database that is being upgraded.
D.It must be executed only after AUTOEXTEND is set to ON for all existing tablespaces.
E.It must be executed from both the Oracle Database 11g and Oracle Database 9i environments.
Answer: C

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NO.7 What are the recommendations for Oracle Database 11g installation to make it Optimal Flexible
Architecture (OFA)-compliant? (Choose all that apply.)
A.ORACLE_BASE should be set explicitly.
B.An Oracle base should have only one Oracle home created in it.
C.Flash recovery area and data file location should be on separate disks.
D.Flash recovery area and data file location should be created under Oracle base in a non-Automatic
Storage Management (ASM) setup.
Answer: ACD

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NO.8 You opened the encryption wallet and then issued the following command:
Then you closed the wallet. Later, you issued the following command to create the EMPLOYEES table in
the SECURESPACE tablespace and you use the NO SALT option for the EMPID column.
What is the outcome?
A.It creates the table and encrypts the data in it.
B.It generates an error because the wallet is closed.
C.It creates the table but does not encrypt the data in it.
D.It generates an error because the NO SALT option cannot be used with the ENCRYPT option.
Answer: B

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NO.9 Following is the list of locations in random order where oranfstab can be placed.
What is the sequence in which Direct NFS will search the locations?
A.1, 2, 3
B.3, 2, 1
C.2, 3, 1
D.1, 3, 2
Answer: C

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NO.10 You are managing the APPPROD database as a DBA. You plan to duplicate this database in the same
system with the name DUPDB.
You issued the following RMAN commands to create a duplicate database:
Which three are the prerequisites for the successful execution of the above command? (Choose three.)
A.The source database should be open.
B.The target database should be in ARCHIVELOG mode if it is open.
C.RMAN should be connected to both the instances as SYSDBA.
D.The target database backups should be copied to the source database backup directories.
E.The password file must exist for the source database and have the same SYS user password as the
target.
Answer: BCE

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NO.11 You decided to use Direct NFS configuration in a non-RAC Oracle installation and created the
oranfstab file in /etc.
Which two statements are true regarding this oranfstab file? (Choose two.)
A.Its entries are specific to a single database.
B.It contains file systems that have been mounted by Direct NFS.
C.It is globally available to all Oracle 11g databases on the machine.
D.It contains file systems that have been mounted by the kernel NFS system.
Answer: CD

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NO.12 In which two aspects does hot patching differ from conventional patching? (Choose two.)
A.It consumes more memory compared with conventional patching.
B.It can be installed and uninstalled via OPatch unlike conventional patching.
C.It takes more time to install or uninstall compared with conventional patching.
D.It does not require down time to apply or remove unlike conventional patching.
E.It is not persistent across instance startup and shutdown unlike conventional patching.
Answer: AD

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NO.13 During the installation of Oracle Database 11g, you do not set ORACLE_BASE explicitly. You selected
the option to create a database as part of the installation. How would this environment variable setting
affect the installation?
A.The installation terminates with an error.
B.The installation proceeds with the default value without warnings and errors.
C.The installation proceeds with the default value but it would not be an OFA-compliant database.
D.The installation proceeds with the default value but a message would be generated in the alert log file.
Answer: D

Oracle   1Z1-050   certification 1Z1-050   certification 1Z1-050

NO.14 Identify two situations in which you can use Data Recovery Advisor for recovery. (Choose two.)
A.The database files are corrupted when the database is open.
B.The archived log files are missing for which backup is not available.
C.The user has dropped an important table that needs to be recovered.
D.You are not able to start up the database instance because the required database files are missing.
Answer: AD

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NO.15 You are managing an Oracle 11g database with ASM storage, for which the COMPATIBLE initialization
parameter is set to 11.1.0. In the ASM instance, the COMPATIBLE.RDBMS attribute for the disk group is
set to 10.2 and the COMPATIBLE.ASM attribute is set to 11.1.
Which two statements are true in this scenario for the features enabled for ASM? (Choose two.)
A.The ASM-preferred mirror read feature is enabled.
B.The ASM supports variable sizes for extents of 1, 8, and 64 allocation units.
C.The ASM disk is dropped immediately from a disk group when it becomes unavailable.
D.The RDBMS always reads the primary copy of a mirrored extent of the ASM disk group.
Answer: AB

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NO.16 Which steps are mandatory to enable Direct NFS?
A.2 and 3
B.1 and 3
C.1 and 2
D.1, 2 and 3
Answer: B

Oracle   1Z1-050   1Z1-050   1Z1-050

NO.17 Which is the source used by Automatic SQL Tuning that runs as part of the AUTOTASK framework?
A.SQL statements that are part of the AWR baseline only
B.SQL statements based on the AWR top SQL identification
C.SQL statements that are part of the available SQL Tuning Set (STS) only
D.SQL statements that are available in the cursor cache and executed by a user other than SYS
Answer: B

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NO.18 Which dependent object will get invalidated even if it is not affected by the table redefinition?
A.views
B.triggers
C.packages
D.synonyms
Answer: B

Oracle examen   1Z1-050   1Z1-050   1Z1-050

NO.19 Which two statements are true regarding the starting of the database instance using the following
command? (Choose two.)
SQL>STARTUP UPGRADE
A.It enables all system triggers.
B.It allows only SYSDBA connections.
C.It ensures that all job queues remain active during the upgrade process.
D.It sets system initialization parameters to specific values that are required to enable database upgrade
scripts to be run.
Answer: BD

Oracle examen   certification 1Z1-050   1Z1-050   1Z1-050

NO.20 Which two statements are true regarding hot patching? (Choose two.)
A.It requires relinking of the Oracle binary.
B.It does not require database instance shutdown.
C.It can detect conflicts between two online patches.
D.It is available for installing all patches on all platforms.
E.It works only in a single database instance environment.
Answer: BC

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Code d'Examen: 1Z1-403
Nom d'Examen: Oracle (Enterprise Linux System Administration)
Questions et réponses: 115 Q&As

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NO.1 You are installing Oracle Enterprise Linux in the Graphical User Interface(GUI) mode on your machine
and are at the package group selection panel. You do not want to customize the packages to be installed.
Therefore, select the option "install default software packages."
Which three packages would be in the default selection group? (Choose three.)
A. GNOME
B. Webserver
C. System Tools
D. Printer Support
E. Windows File Server (SMB)
Answer: ABE

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NO.2 Being the system administrator for XYZ corporation, you have been given the task of setting up a new
Linux box.
The new machine has to meet the following criteria:
1. There should be a provision for expanding one filesystem without affecting the other filesystems.
2: The user data should be safe in the event of root file system crash.
3: The filesystems should support journaling.
Which three actions must you take to meet all the requirements? (Choose three.)
A. Use ext3 as the filesystem.
B. Use ext2 as the filesystem.
C. Have the /usr/ directory on its own filesystem.
D. Have the /home/ directory on its own filesystem.
E. Separate the directory structure across multiple partitions.
Answer: ADE

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NO.3 You are downloading a text file from the Web into a directory on an ext2 filesystem. The system crash
after the data blocks are written onto the disk but before the metadata is written.
What is the status of the file after this transaction?
A. The file contents can be seen only using the cat command.
B. The file can be accessed using only the vi editor and does not require to be repaired using fsck.
C. The file cannot be accessed and must be repaired using fsck inorder to access the file contents.
D. The file contents can be accessed using only the emacs text editor and does not require to be repaired
using fsck .
Answer: C

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NO.4 While importing user accounts in bulk along with passwords using the newusers command, you noticed
that user passwords are saved in the /etc/shadow file in the crypt format.
How would you enable the newusers command to use the preferred MD5 format when writing passwords
to the /etc/shadow file?
A. Add the MD5_ENAB=yes line to the /etc/login.defs file.
B. Add the MD5_CRYPT yes line to the /etc/login.defs file.
C. Add the MD5_CRYPT_ENAB yes line to the /etc/login.defs file.
D. Add the MD5_CRYPT_ENAB yes line to the /etc/security/limits.conf file.
Answer: C

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NO.5 You want to configure the display login program to display the face browser of user accounts for
system logon.
Which two display managers support this feature? (Choose two.)
A. gdm
B. kdm
C. twm
D. xdm
Answer: AB

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NO.6 You want to make Oracle Enterprise Linux coexist with Microsoft Windows on your machine. You
install Oracle Enterprise Linux first with the default boot loader configuration and then install Microsoft
WindowsXP. You reboot the system after installation and the system boots directly into the Windows
operating system without showing the Grand Unified Boot Loader (GRUB) menu.
Which two steps could you have taken to avoid this situation? (Choose two.)
A. Install Oracle Enterprise Linux first with the boot loader on MBR and then install Microsoft WindowsXP.
B. Install Microsoft WindowsXP first and then install Oracle Enterprise Linux with the boot loader on
Master Boot Record (MBR).
C. Install Microsoft WindowsXP first and then install Oracle Enterprise Linux with the boot loader at the
first sector of the /boot partition.
D. Install Oracle Enterprise Linux first with the boot loader at the first sector of the /boot partition and then
install Microsoft WindowsXP.
Answer: BC

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NO.7 You have server1 configured as the Virtual Network Computing (VNC) server. There is no firewall
between server1 and station1. You have logged on to station1 as root and want to connect to server1
using VNC. You issue the following command:
[root@station1]# vncviewer server1.2
Which statement is true?
A. server1 provides an encrypted connection to station1.
B. The xinetd service on station1 is not mandatory for the VNC connection.
C. The desktop of server1 is shared with station1 without prompting for a password.
D. station1 is prompted for a password and the desktop of server1 is shared with station1 only when the
correct password is entered.
Answer: D

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NO.8 You have bound your system to the Network Information Service (NIS) domain ORACLE and all
client-side configurations are done. The users report a problem that they are not able to log in through
NIS accounts, whereas local users are successfully authenticated, after the system reboots.
As a Linux administrator, you executed the nisdomainname command and you get the output "(none)",
and no traces of yp are found in the /var/log/messages file.
What would you do to resolve this error? (Choose all that apply.)
A. Re-create the NIS domain on the server that runs the NIS domain ORACLE.
B. Restart the ypserv service on the server that runs the NIS domain ORACLE.
C. Restart the network service on the server that runs the NIS domain ORACLE.
D. Use the chkconfig command to set the ypbind service to be on at the desired runlevels.
E. Use the ntsysv command to select the ypbind service to be automatically started with the desired
runlevels.
Answer: DE

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NO.9 Which two statements correctly define Virtual Network Computing (VNC)? (Choose two.)
A. It is a client/server application.
B. It does not provide any protection to remote X connections.
C. It allows entire desktops to be displayed and controlled remotely.
D. It is used to connect to a remote Linux machine only from a Linux machine.
Answer: AC

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NO.10 You are in runlevel 5 working at the tty1 terminal on server1. To configure the gdm display manager,
you issue the following command but this results in an error as shown below:
[root@server1]#gdmsetup
(gdmsetup:6326): Gtk-WARNING **: cannot open display:
What could be the reason for the error?
A. The /etc/inittab file is corrupted.
B. The Xserver on the system is not running.
C. The xfs service is not running on the system.
D. The runlevel in the /etc/inittab file is missing.
E. The command only works in a graphical environment.
Answer: E

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NO.11 The user smith executed the mozilla command, located in /usr/bin and owned by the root user.
Which two statements are true? (Choose two.)
A. When mozilla needs to access certain files, the access would be determined by root's permissions.
B. When started by smith, smith would own the initial mozilla program and all processes started by the
initial process.
C. When mozilla needs to access certain files, the access would be determined by smith's permissions
and not by root's.
D. When started by the user smith, the user smith would own the initial mozilla program and all processes
started by the initial process would be owned by the system user associated with mozilla.
Answer: BC

Oracle   1Z1-403   1Z1-403   1Z1-403   1Z1-403

NO.12 The system you logged in is running in runlevel 5. You want to customize X and want to have a
consistent environment regardless of how X is started.
Which step is recommended?
A. Delete the ~/.Xclients file and use the ~/.xinitrc file.
B. Delete ~/.Xclients and ~/.xsession and use the ~/.xinitrc file.
C. Delete ~/.xinitrc and ~/.xsession and use the ~/.Xclients file.
D. Delete ~/.xinitrc and ~/.Xclients and use the ~/.xsession file.
E. Delete the ~/.Xclients file and use both ~/.xinitrc and ~/.xsession files.
Answer: C

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NO.13 As an administrator, you execute the following command to verify the integrity of mysql:
[root@server1]#rpm -Va mysql
S.5....T c /etc/my.cnf
What attributes of the /etc/my.cnf file have changed?
A. The permissions, user ownership, and file type have changed.
B. The permissions, group ownership, and file type have changed.
C. The user ownership, group ownership, and file type have changed.
D. The MD5 signature, file size, and modification time have changed.
Answer: D

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NO.14 You are logged in to server1 and want to allow remote connections to server1 through X Display
Manager Control Protocol (XDMCP). You change the entry "Enable=false" to "Enable=true" in the
"[xdmcp]" section of the gdm.conf configuration file.
To test the XDMCP configuration, you log in to station1 as smith and try to connect to server1 by using the
following command:
[smith@station1]$ X -query server1.example.com :1
What is the result?
A. A connection to the gdm display manager on server1.example.com would be established using direct
XDMCP.
B. A connection to the xdm display manager on server1.example.com would be established using direct
XDMCP.
C. A connection to the gdm display manager on server1.example.com would be established using indirect
XDMCP.
D. A connection to the xdm display manager on server1.example.com would be established using indirect
XDMCP.
Answer: A

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NO.15 You have trouble in booting the Linux system and want to troubleshoot it. To find the cause, you want to
make the kernel start the bash program in place of init.
What would you do to achieve this objective? (Choose all that apply.)
A. Pass S as the kernel parameter to the grub menu.
B. Pass 1 as the kernel parameter to the grub menu.
C. Pass init=/bin/bash as the kernel parameter to the grub menu.
D. Pass INIT=/sbin/bash as the kernel parameter to the grub menu.
Answer: C

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NO.16 The organization you work for wants to set up a new machine with Oracle Enterprise Linux and has
three requirements:
1. The filesystem should be consistent.
2: The old data should not reappear in the files after an unclean shutdown.
3: The filesystem data should be written to the disk before metadata.
In order to meet these requirements, you have set the ext3 journaling mode as data=writeback.
Which requirements have you met?
A. only 1
B. only 2
C. only 3
D. both 1and 3
E. both 2 and 3
F. both 1 and 2
G. All the three requirements are met.
Answer: A

Oracle   1Z1-403 examen   1Z1-403 examen

NO.17 You work for XYZ organization and are setting up a new Linux box. The organization wants the user's
data on the system to be safe even in the event of a crash of the root filesystem.
Which step do you think would help the administrator achieve the organization's objective?
A. Have /opt directory on its own filesystem with the filesystem being ext3.
B. Have /home directory on its own filesystem with the filesystem being ext3.
C. Have /var directory on its own filesystem and all other filesystems under / (root filesystem).
D. Have /usr directory on its own filesystem and all other filesystems under / (root filesystem).
Answer: B

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NO.18 You have a /dev/md1 redundant array of independent disks (RAID) array on your system as shown
below:
[root@server1 ~]# cat /proc/mdstat
Personalities : [raid 5]
md1 : active raid5 sdd1[3] sdc1[1] sdb1[0]
594176 blocks level 5, 64k chunk, algorithm 2 [3/2] [UU_]
unused devices:
The /dev/md1 RAID array is mounted on /data. You issued the command:
mdadm --fail /dev/md1 /dev/sdc1 /dev/sdb1
Which statements are true about the RAID array after you issue this command? (Choose all that apply.)
A. The kernel would report a Buffer I/O error on the RAID device /dev/md1.
B. The RAID array would be destroyed but the data could be recovered from the RAID disks.
C. The RAID array would be completely destroyed including the super block of the file system.
D. The RAID array could be reconstructed using new RAID partitions that synchronize with the /dev/sdd1
disk partition.
Answer: AC

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NO.19 You are installing Oracle Enterprise Linux in the Graphical User Interface (GUI) mode on your
machine. From the package selection screen, you select one of the package groups.
Which two statements are NOT true in this context? (Choose two.)
A. Only the optional packages would be installed.
B. All the optional packages are also installed along with the package group.
C. Both the base packages and all the optional packages would be installed.
D. The selection of a base package does not depend on an optional package.
E. Only the base packages and the auto-selected optional packages would be installed.
Answer: AB

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NO.20 You are currently working in runlevel 3. The X server is configured correctly and the default runlevel is
set to 5 in the /etc/inittab file. To find the default desktop you issue the following command:
[root@server1]#cat /etc/sysconfig/desktop
[root@server1]#
You find the file empty. What will be the effect when you try to go to the runlevel 5?
A. The system defaults to kdm and launch KDE.
B. The system defaults to xdm and launch GNOME.
C. The system defaults to gdm and launch GNOME
D. The system will fail to log into the graphical mode.
Answer: C

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NO.21 Match the following scripts and their applicability:
1. ./.xinitrc a) applies if X is started directly, or if ./.xsession does not exist and X is started viaa display
manager
2) ./.xsession b) applies when X is started directly
3) ./.Xclients c) applies when X is started from a display manager
A. 1-b, 2-a, 3-c
B. 1-b, 2-c, 3-a
C. 1-a, 2-b, 3-c
D. 1-a, 2-c, 2-b
Answer: B

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NO.22 During the installation of Oracle Enterprise Linux, you want to customize the packages to be installed.
You select one of the package groups that has both base and optional packages.
Which statement about the packages is true?
A. Only the optional packages would be installed.
B. All the base packages and the optional packages would be installed.
C. The selection of a base package does not depend on an optional package.
D. Only the base packages and the auto selected optional packages would be installed.
Answer: D

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NO.23 Which three statements are true about the Linux swap file system? (Choose three.)
A. The Linux user data cannot be written to the Linux swap space.
B. High-priority swap spaces would be exhausted only after exhausting swap spaces with equal priorities.
C. The Linux kernel code and data are not swappable and are never moved to swap file system from
physical memory.
D. If too much space is allocated for swap, errant programs may run for an extended time and use up
RAM and swap space.
E. When most of the system's real memory is in use, and there is a need for more, some data would be
moved into the swap file system to free real RAM memory for use by applications or for kernel use, such
as for driver buffers, files, or network packets.
Answer: CDE

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NO.24 Identify two true statements about Virtual Network Computing (VNC). (Choose two.)
A. It is a client/server application.
B. It allows entire desktops to be displayed remotely.
C. It does not provide any protection to remote X connections.
D. It allows applications to be run remotely and displayed only locally.
E. It is used to connect to a remote Linux machine only from a Linux machine.
Answer: AB

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NO.25 You are installing Oracle Enterprise Linux on a machine and are at the stage of swap filesystem
creation. You want to ensure that swap contains twice the amount of RAM available in the system but do
not know the total available memory.
You can use the free command but do not have a prompt to execute the command. Which key
combination would take you to a command prompt?
A. [Ctrl]+[Alt]+[F2]
B. [Ctrl]+[Alt]+[F3]
C. [Ctrl]+[Alt]+[F4]
D. [Ctrl]+[Alt]+[F1]
Answer: A

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NO.26 To find the value of the DISPLAY environment variable, you issue the following command:
[rooot@server1]#echo $DISPLAY
0
[rooot@server1]#
What do you interpret from the environment variable's value?
A. Graphical applications would make a local UNIX socket connection.
B. Graphical applications would make a remote UNIX socket connection.
C. Graphical applications would make the first network connection to TCP port 6001.
D. Graphical applications would make the second network connection to TCP port 6000.
Answer: A

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NO.27 You want to install the ieee80211 module on your Linux system. While building the module, you receive
the following error:
Make [2]: *** [ieee 80211-1.2.17/ieee80211_module.o] Error 1
Make [1]: *** [_module_/ieee80211-1.2.17] Error 2
Make [1]: Leaving directory '/usr/src/kernels/2.6.9-42.0.0.0.1.EL-i686'
Make: *** [modules] Error 2
What do you infer from this error?
A. The ieee80211 module conflicts with the current kernel version.
B. The dependency modules for ieee80211 are not installed on the system.
C. The ieee80211 module given is not supported by the machine architecture.
D. The kernel source package, which must be installed to compile external device drivers, is not installed
on the system.
Answer: D

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NO.28 Which two statements are true about an X server? (Choose two.)
A. Multiple X servers can be run on the same host.
B. The first X server on a remote host listens on port 6000.
C. The first X server on a remote host listens on port 6001.
D. Only a single X server can run on a machine at any given point of time.
Answer: AB

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NO.29 You have written a udev rule as shown below:
KERNEL=="fb[0-9]*", NAME="fb/%n", SYMLINK+="%k", GROUP="video"
KERNEL=="fd[0-9]*", OWNER="john"
Which two statements are true? (Choose two.)
A. The user john would own all the floppy devices.
B. The user john would own all the floppy and frame buffer devices.
C. The video group on the system would own all the floppy devices.
D. The video group on the system could be controlled by john only.
E. The video group on the system would own all the frame buffer devices.
Answer: AE

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NO.30 You have the default syslogd configuration in your system. You plugged in a USB keydrive into the
system.
Which command would help you to find the bus and the device number of the keydrive?
A. lsusb
B. lsmod
C. insmod
D. cat /proc/self/mounts
Answer: A

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