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1Z0-460Q&As Oracle Linux 6 Implementation Essentials

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QUESTION 1

You have to collect data by using the OS Watcher tool to help diagnose a performance issue on your Oracle Linux system. You need to collect data every 30 seconds by using this tool and archive this data for a period of three days. Which is the OS Watcher tool option that can be used to collect this data from your system?

A. # ./startOSWbb.sh t 30 p 3

B. # ./startOSWbb.sh 30 72

C. # ./startOSWbb.sh int = 30 days = 3

D. # ./startOSWbb.sh 30 3

Correct Answer: B

Example:

./startOSWbb.sh 60 24 collect every 1 minute and keep 24 hours of archive files.

QUESTION 2

Examine the following kernel boot command-line parameters. kernel /vmlinuz-2.6.32-220.e16 ro root = /dev/VolGroup00/LogVol00 init = /bin/bash ether = 0, 0, eth1 rhgb quiet

Which two statements are true?

A. An unrecognized kernel boot command-line parameter has been used.

B. The system will boot without password.

C. Boot argument ether will force probing for a second ethernet card (NIC).

D. It will not probe for any hard drive.

Correct Answer: CD

C: Ether parameter:

The most common use of this parameter is to force probing for a second ethercard, as the default is to only probe for one (with 2.4 and older kernels). This can be accomplished with a simple: ether=0,0,eth1

Note:

*

rhgb stands for redhat graphical boot. This is a GUI mode booting screen with most of the information hidden.

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*

quiet parameter hides the majority of the boot messages before rhgb starts.

QUESTION 3

Which yum command will you use if you want to find out the name of the package that has the /etc/ sysconfig/nfs file?

A. # yum info /etc/sysconfig/nfs

B. # yum search /etc/sysconfig/nfs

C. # yum list installed | grep /etc/sysconfig/nfs

D. # yum check /etc/sysconfig/nfs

Correct Answer: C yum list installed [glob_exp1] [...]

List the packages specified by args. If an argument does not match the name of an available package, it is assumed to be a shell-style glob and any matches are printed.

Incorrect:

Not A: info

Is used to list a description and summary information about available packages

Not B: search

This is used to find packages when you know something about the package but aren\\'t sure of it\\'s name. By default search will try searching just package names and summaries, but if that "fails" it will then try descriptions and url.

Not D: check

Checks the local rpmdb and produces information on any problems it finds.

QUESTION 4

View the cron job example below. How often will this cron job run? 0 */ 5 * * * command

A. every 5 minutes

B. every 5 hours

C. every 5 days

D. every 5th month

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Correct Answer: B

Execute a cron job every 5 Hours The second field is for hours. If you specify * in this field, it runs every hour. If you specify */5 in the 2nd field, it runs every 5 hours as shown below.

0 */5 * * * /home/ramesh/backup.sh

QUESTION 5

Examine the output of the yum.conf configuration file from o Oracle Linux 6 server.

What does the "installonly_limit=3" option mean?

A. Only three users can use the yum command simultaneously to install package on Oracle Linux 6 server.

B. Only three Linux packages can be installed in one invocation of the yum command.

C. Only three repository channels can be used for installing Linux packages.

D. Only three versions of packages listed in installonlypkgs can be installed simultaneously.

Correct Answer: D installonly_limit

Number of packages listed in installonlypkgs to keep installed at the same time. Setting to 0 disables this feature. Default is \\'3\\'. Note that this functionality used to be in the "installonlyn" plugin, where this option was altered via. tokeep. Note that as of version 3.2.24, yum will now look in the yumdb for a installonly attribute on installed packages. If that attribute is "keep", then they will never be removed. Reference: yum.conf

QUESTION 6

You have mounted an Oracle Linux 6 ISO image (v33411-01.iso) on your system in the /mnt/iso/OL6u3/ Server directory. You want to use this image in your local yum repository configuration file and enable it. Which yum repository configuration file has the correct entries to use this image as a local repository?

A. [ol6u3_base_media] name=Oracle Linux 6 Media baseurl=file:///mnt/iso/OL6u3/Server gpgcheck=1 enabled=0

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B. [ol6u3_base_media] name=Oracle Linux 6 Media baseurl=file:///mnt/iso/V33411-01.iso gpgcheck=1 enabled=1

C. [ol6u3_base_media] name=Oracle Linux 6 Media baseurl=file:///mnt/iso/OL6u3/Server gpgcheck=1 enabled=1

D. [ol6u3_base_media] name=Oracle Linux 6 Media baseurl=http:///mnt/iso/OL6u3/Server gpgcheck=1 enabled=1

Correct Answer: A

Example:

Create a yum .repo file: cd /etc/yum.repos.d cat > ol63iso.repo

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