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  2. Oracle Certification
  3. 1Z0-821 Exam
  4. Oracle.1Z0-821.v2024-03-21.q239 Dumps
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Question 211

You have a user that needs to use the cron tool to schedule some repetitive tasks. When the user enters the crontab -e command in a terminal window, the following error appears:
crontab: you are not authorized to use cron. Sorry
In order to troubleshoot this issue, in what directory would you start your invest

Correct Answer: A
crontab: you are not authorized to use cron. Sorry.
This message means that either the user is not listed in the cron.allow file (if the file exists), or the user is listed in the cron.deny file.
You can control access to the crontab command by using two files in the /etc/cron.d directory: cron.deny and cron.allow. These files permit only specified users to perform crontab command tasks such as creating, editing, displaying, or removing their own crontab files.
The cron.deny and cron.allow files consist of a list of user names, one user name per line.
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Question 212

Which two options are characteristics of a fast reboot?

Correct Answer: C,D
C: To change the default behavior of the Fast Reboot feature on the SPARC platform,so that a fast reboot is automatically performed when the system reboots,see below.
The following example shows how to set the property's value to true on the SPARC platform,so that a fast reboot is initiated by default:
# svccfg -s "system/boot-config:default" setprop config/fastreboot_default=true # svcadm refresh svc:/system/boot-config:default
D: Fast Reboot implements an in-kernel boot loader that loads the kernel into memory and
then switches to that kernel.
The firmware and boot loader processes are bypassed,which enables the system to reboot
within seconds.
The Fast Reboot feature is managed by SMF and implemented through a boot configuration service,svc:/system/boot-config. The boot-config service provides a means for setting or changing the default boot configuration parameters. When the config/fastreboot_default property is set to true,the system performs a fast reboot automatically,without the need to use the reboot -f command. This property's value is set to true on the x86 platform. For task-related information,including how to change the default behavior of Fast Reboot on the SPARC platform,see Accelerating the Reboot Process on an x86 Based System.
Note: One new feature,called Fast Reboot,will allow the system to boot up without doing the routine set of hardware checks,a move that can make system boot times up to two-anda-half times faster,Oracle claimed. This feature can be handy in that an administrator applying a patch or software update across thousands of Solaris deployments can reboot them all the more quickly.
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Question 213

You suspect a problem with the oponldap package and want to make sure that the files have not be modified or otherwise tampered with.
Which command would validate all of the files contained in the openldap package and report any problems?

Correct Answer: A
pkgchk checks the accuracy of installed files or,by using the -l option,displays information about package files. pkgchk checks the integrity of directory structures and files. Discrepancies are written to standard error along with a detailed explanation of the problem.
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Question 214

Which two SMF milestones can be specified at boot time?

Correct Answer: A,C
The milestones that can be specified at boot time are
none
single-user
multi-user
multi-user-server
all
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Question 215

How should you permanently restrict the non-global zone testzone so that it does not use more than 20 CPU shares while it is running?

Correct Answer: C
The prctl utility allows the examination and modification of the resource controls associated with an active process, task, or project on the system. It allows access to the basic and privileged limits and the current usage on the specified entity.
How to Change the zone.cpu-shares Value in a Zone Dynamically
This procedure can be used in the global zone or in a non-global zone.
For more information about roles, see Configuring and Using RBAC (Task Map) in System Administration Guide: Security Services.
# prctl -n zone.cpu-shares -r -v value -i zone zonename
idtype is either the zonename or the zoneid. value is the new value.
Note: project.cpu-shares
Number of CPU shares granted to a project for use with the fair share scheduler
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