1Z0-100 Online Practice Questions and Answers

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 has a lower Mean Time Between Failures.

C. It provides higher availability for applications by reducing Mean Time to Recovery.

D. It scales better for more CPUS, memory, and Infiniband network connections.

Examine this output: # df –t nfs Filesystem Size Used Avail Use% Mounted on

o16:export 30G 21G 7.6G 74% /mnt

# 1s -1 /mnt/nfs.sh -rwxr-mr-x. 1 root root 22 May 8 16:37 /mnt/nfs.sh # file /mnt/nfs.sh

/mnt/nfs.sh: Bourne-Again shell script text executables

# /mnt/nfs.sh bash: /mnt/nfs.sh: Permission denied What is the reason for the error?

A. The file system was exported on host o16 using the ROOT_SQUASH option.

B. The /export filesystem was mounted with the NOEXEC option on host o16.

C. The filesystem mounted on /mnt was mounted with the NOEXEC option.

D. The filesystem was exported on host o16 by using the NO_ROOT_SQUASH option.

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.

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 the boot sequence, but they will be applied as soon as the Internet becomes reachable again.

C. The updates are not applied during the boot sequence and will not be applied after the Internet has become reachable again.

D. The system waits in the boot sequence for the internet to become reachable again.

E. The system boots to single-user mode.

Which three statements are true about administering user accounts and groups for an Oracle Linux server in preparation for installing the Oracle Database server?

A. The Oracle software owner must be a Linux user called oracle.

B. The Oracle software owner must not be the root user.

C. The owner of the Oracle httpd daemon process must be the Linux user called nobody.

D. A Linux user who is a member of the OSDBA group may start an Oracle database instance.

E. The /etc/sudoers file must specify that the Oracle software owner be allowed to run commands as root.

F. The OINSTALL group owns the Oracle Inventory.

Examine this /etc/fstab entry:

Identify the actions you must perform to relocate this filesystem permanently to its new mount point?

A. 1, 2, 3, 4, 5, 6 and 7

B. 1, 2, 3, 4, 5 and 6

C. 1, 2, 5 and 6

D. 1, 2, 5, 6 and 7 ^

E. 1, 2 and 6

Examine this sequence of commands and output:

[root@FARAWAY ~] # cat /etc/oracle-release Oracle Linux Server release 6.1

[root@FARAWAY ~]# rpm –qa oraclelinux* Oraclelinux-release-noted-6Server-5.x86_64 Oraclelinux-release-6Server-1.0.2.x86_64

[root@FARAWAY ~] # rpm –qa rehat-release* [root@FARAWAY ~] #

[root@FARAWAY ~] # rpm –qf /etc/oracle-release Oraclelinux-release-6Server-1.0.2.x86_64

[root@FARAWAY ~] rpm –qf /etc/redhat-release Oraclelinux-release-6Server-1.0.2.x86_64

Which two can be determined from this output?

A. The system has Oracle Linux 6 installed and the Red Hat compatible kernel is running.

B. The system has Oracle Linux 6 installed and the Oracle Unbreakable Enterprise kernel Is running.

C. It is not possible to determine which kernel is running.

D. This system has been booted at least once, with the Red Hat-compatible kernel and once with the Unbreakable Enterprise kernel.

E. The oracle-release package contains both Oracle and Red Hat release metadata.

As root, you enter a crontab command as shown;

[root@FAROUT cron.daily] # crontab -1 */2 * * * * vmstat 0 0 1 1-5 * iostat [root@FAROUT cron.daily] #

Which three statements are true concerning the two cron jobs listed?

A. The iostat command runs at midnight of every day except Sunday.

B. The vmstat command runs twice per hour.

C. The vmstat command runs every other hour.

D. The vmstat command runs every second minute.

E. All cron job output is sent to the root user's mall.

F. All cron job output is sent to /var/log/messages.

G. The iostat command runs at midnight on the first day of each of the first five months of the year.

Which type of nameserver is provided by the default bind configuration files on Oracle Linux?

A. A primary name server

B. A secondary name server

C. Recursive caching-only nameserver

D. An authoritative name server

E. Slave name server

The default locations and paths used by logwatch are:

/etc/logwatch/conf /user/share/logwatch/default.conf /user/share/logwatch/dist.conf

Which three statements are true logwatch installation and configuration?

A. After installing logwatch, no configuration is required to produce reports from system logs.

B. After installing logwatch, the /usr/share/logwatch/dist.conf directory will not exist because it is optional.

C. After installing logwatch, you must create /etc/logwatch/conf to produce reports from system logs.

D. After installing logwatch, all the default directories continue to exist.

E. To produce a report from the previous day's logs, the - - range yesterday parameter must be specified.

F. Running /usr/sbin/logwatch produces a report of the previous day's log files.

Examine this output captured on an NFS server:

# mount | grep export

/dev/sdc1 on /export type ext3 (rw)

/dev/sdc2 on /export/share2 type ext3 (rw)

# cat /etc/exports

/export (*ro)

You mounted the /export filesystem on an NFS client using the command:

# mount NFS_SERVER:/export/mnt

What is the result of listing the files in /mnt/share2 on the NFS client?

A. It lists any files stored in the share2 directory in the /dev/sdc1 partition of the NFS server.

B. It lists any files stored in the root directory in the /dev/sdc2 partition of the NFS server.

C. It results in a permission denied error.

D. It results in a stale NFS handle error.

E. It produces no output.

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 creates the oracle user if not already created, which owns the Grid Infrastructure software should that get installed.

C. It creates the grid user if not already created which owns the grid infrastructure software should that get installed.

D. It modifies kernel parameters in /etc/sysctl.conf.

E. It runs at the first boot after installing the packages to set a parameter indicating that is has run once.

F. It modifies parameters in the /etc/sysconfig/network-scripts directly.

G. It creates the osoper group, if not already created.

The user scott tries to create a directory hierarchy under a specific directory location and encounters an error:

Which command must scott use to create the directory hierarchy successfully? (Choose the best answer.)

A. mkdir /test/test1/stored/all

B. mkdir –r test/test1/stored/all

C. mkdir –p test/test1/stored/all

D. mkdir R test/test1/stored/all

E. mkdir –r /tmp/test/test1/stored/all

Which three actions may be done using the Anaconda installer when working with an Oracle Linux 6 system? (Choose three.)

A. downgrading an installed system

B. booting an installed system from a local drive

C. attempting a rescue to repair problems with a partition table that prevents booting an installed system

D. deinstalling an installed system

E. upgrading an installed system

Which two statements are true about an RPM package? (Choose two.)

A. An RPM can be installed from a local filesystem or a remote repository using the rpm command

B. In general, it is possible to have multiple versions of the same RPM package installed on a single system

C. a source RPM is machine architecture dependent

D. a binary RPM contains compiled programs as well as the source code of these programs

E. a RPM package can contain programs, documentation installation procedures, source files, and metadata about itself

Which three statements are true about maintaining system parameters in Oracle Linux? (Choose three.)

A. echo can be used to change values for various system parameters

B. sysctl –w can be used to change values for various system parameters

C. Changes made using echo are lost after rebooting the system

D. Changes made using sysctl –w are preserved after rebooting the system

E. Changes made to /etc/sysctl.conf take effect immediately after saving the file