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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 201

user1, while in his home directory, is attempting to run the following command in his home directory: cp bigfile verybig
The system displays the following error:
cp: cannot create verybig: Disc quota exceeded
Your initial troubleshooting shows that the df -h command indicates he is at 100% capacity. What command would you use to increase the disk space available to the user?

Correct Answer: E
Explanation/Reference:
Explanation:
ZFS quotas can be set and displayed by using the zfs set and zfs get commands.
We can remove the quota restriction by setting to quota to none.
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Question 202

Which three options accurately describe Oracle Solaris 11 zones?

Correct Answer: A,D,F
Explanation/Reference:
Explanation:
A: Zones can use Oracle Solaris 11 products and features such as the following:
Oracle Solaris ZFS encryption
Network virtualization and QoS
CIFS and NFS
C: Non-global zones cannot modify the system clock by default, but each zone can have a separate time zone setting.
F (not E): The Oracle Solaris Zones partitioning technology is used to virtualize operating system services and provide an isolated and secure environment for running applications. A zone is a virtualized operating system environment created within a single instance of the Oracle Solaris operating system.
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Question 203

Consider the following rule file for use with the Basic Audit Reporting Tool (BART).
CHECK all
IGNORE dirmtime
/etc/security
/etc/notices
IGNORE contents
/export/home
IGNORE mtime size contents
/var
CHECK
You are using BART to detect inappropriate changes to the file system.
Identify the two correct statements describing the attributes recorded.

Correct Answer: D,F
Explanation/Reference:
Explanation:
D: According to line /etc/security
F: According to line /export/home
Not E: According to line IGNORE dirmtime
Note: In default mode, the bart compare command, as shown in the following example, checks all the files installed on the system, with the exception of modified directory timestamps (dirmtime):
CHECK all
IGNORE dirmtime
Note 2: The Basic Audit Reporting Tool (BART) feature of Oracle Solaris enables you to comprehensively validate systems by performing file-level checks of a system over time. By creating BART manifests, you can easily and reliably gather information about the components of the software stack that is installed on deployed systems.
BART is a useful tool for integrity management on one system or on a network of systems.
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Question 204

On localSYS,your SPARC based server,you back up the root file system with recursive snapshots of the root pool. The snapshots are stored on a remote NTS file system.
This information describes the remote system where the snapshots are stored:
Remote system name: backupSYS
File system whore the snapshots are stored: /backups/localSYS
Mounted file system on localSYS: /rpool/snaps
Most recent backup name: rpool-1202
Disk c0t0d0 has failed in your root pool and has been replaced. The disk has already been part< and labeled and now you need to restore the root file system. Which procedure would you follow to restore the ZFS root file system on localSYS?

Correct Answer: A
How to Recreate a ZFS Root Pool and Restore Root Pool Snapshots In this scenario,assume the following conditions:
*ZFS root pool cannot be recovered
*ZFS root pool snapshots are stored on a remote system and are shared over NFS
*The system is booted from an equivalent Solaris release to the root pool version so that the Solaris release and the pool version match. Otherwise,you will need to add the -o version=version-number property option and value when you recreate the root pool in step 4 below.
All steps below are performed on the local system.
1.Boot from CD/DVD or the network.
On a SPARC based system,select one of the following boot methods:
ok boot net -s ok boot cdrom -s If you don't use -s option,you'll need to exit the installation program.
2.Mount the remote snapshot dataset.
For example:
# mount -F nfs remote-system:/rpool/snaps /mnt
3.Recreate the root pool.
For example:
# zpool create -f -o failmode=continue -R /a -m legacy -o cachefile=/etc/zfs/zpool.cache rpool c1t0d0s0
4.Restore the root pool snapshots.
This step might take some time. For example:
# cat /mnt/rpool.0311 | zfs receive -Fdu rpool Using the -u option means that the restored archive is not mounted when the zfs receive operation completes.
5.Set the bootfs property on the root pool BE.
For example:
# zpool set bootfs=rpool/ROOT/osolBE rpool
6.Install the boot blocks on the new disk.
On a SPARC based system:
# installboot -F zfs /usr/platform/`uname -i`/lib/fs/zfs/bootblk /dev/rdsk/c1t0d0s0
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Question 205

Which two are true about accounts, groups, and roles in the Solaris user database?

Correct Answer: A,B
A: Solaris uses a UID (User ID) to identify each user account. The UID is a unique number assigned to each user. It is usually assigned by the operating system when the account is created.
B: In Solaris the account name can include any alphanumeric string (and . _ -). The maximum length is 8 characters.
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