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  1. Home
  2. Oracle Certification
  3. 1Z0-821 Exam
  4. Oracle.1Z0-821.v2024-03-21.q239 Dumps
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Question 41

Review the storage pool information:

Which statement describes the status of this storage pool?

Correct Answer: D
Device c3t6d0 is not included in the RAIDZ storage pool. The other three devices are included in the raidz pool. The data on these devices are protected.
Note: In addition to a mirrored storage pool configuration,ZFS provides a RAID-Z configuration with either single,double,or triple parity fault tolerance. Single-parity RAID-Z (raidz or raidz1) is similar to RAID-5. Double-parity RAID-Z (raidz2) is similar to RAID-6.
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Question 42

Which three options describe the purpose of the zonep2vchk command?

Correct Answer: C,D,E
zonep2vchk
-check a global zone's configuration for physical to virtual migration into non-global zone
The zonep2vchk utility is used to evaluate a global zone's configuration before the process of physical-to-virtual (p2v) migration into a non-global zone. The p2v process involves archiving a global zone (source),and then installing a non-global zone (target) using that archive Zonep2vchk serves two functions. First,it can be used to report issues on the source which might prevent a successful p2v migration. Second,it can output a template zonecfg,which can be used to assist in configuring the non-global zone target. Zonep2vchk can be executed on a Solaris 10 or later global zone. To execute on Solaris 10,copy the zonep2vchkutility to the Solaris 10 source global zone. When run on Solaris 10,a target release of S11 can be specified,which will check for p2v into a Solaris 10 Branded zone.
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Question 43

Which two options describe how to override the default boot behavior of an Oracle Solaris 11 SPARC system to boot the system to the single-user milestone?

Correct Answer: A,D
By default, Solaris will boot to the pseudo milestone "all" and start all services. This behaviour can be changed at boot time using either "-s" to reach single-user, or the new SMF option "-m milestone=XXX" (see kernel(1M) for a list of the bootable milestones) to select an explicit milestone.
Note: boot -s is the same as: boot -m milestone=single-user
with the difference being that the former is a lot less to type and is what most SysAdmins will be familiar with.
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Question 44

The su command by default makes an entry into the log file for every su command attempt. The following is a single line from the file:
SU 12/18 23:20 + pts/1 user1-root
What does the + sign represent?

Correct Answer: B
The sulog file,/var/adm/sulog,is a log containing all attempts (whether successful or not) of the su command. An entry is added to the sulog file every time the su command is executed. The fields in sulog are: date,time,successful (+) or unsuccessful (-),port,user executing the su command,and user being switched to. In the preceding example,all su attempts were successful,except for the attempt on 2/23 at 20:51,when user pete unsuccessfully attempted to su to user root.
Look for entries where an unauthorized user has used the command inappropriately. The following entry shows a successful (indicated by +) su from user userid to root.
SU 03/31 12:52 + pts/0 <userid>-root
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Question 45

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.
Reference:Oracle Solaris Administration: Common Tasks
Controlling Access to the crontab Command
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