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  1. Home
  2. Oracle Certification
  3. 1Z0-821 Exam
  4. Oracle.1Z0-821.v2022-11-01.q191 Dumps
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Question 131

user1 has a disk quota of 0.5 MB. The user attempts to run the following command on a file called .bigfile that is 495 KB in size:
cp bigfile /tmp
Will the command execute successfully?

Correct Answer: A
Explanation/Reference:
Explanation:
UFS quotas enable system administrators to control the size of file systems. Quotas limit the amount of disk space and the number of inodes, which roughly corresponds to the number of files, that individual users can acquire. For this reason, quotas are especially useful on the file systems where user home directories reside. As a rule, the public and /tmp file systems usually do not benefit significantly by establishing quotas.
Note: The cp command copies files and directories.
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Question 132

The /usr/bin/p7zip file that is part of the p7zip package has been overwritten. This server is critical to production and cannot be rebooted. Identify the command that would restore the file without requiring a reboot.

Correct Answer: D
Use the pkg revert command to restore files to their as-delivered condition.
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Question 133

View the Exhibit to see the information taken from the installation log file.
Based on the information presented in the Exhibit, which two options describe the state of the system when the server is booted for the first time after the installation is complete?

Correct Answer: B,D
Reference: How the Network Is Configured in Oracle Solaris 11
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Question 134

User jack makes use of the bash shell; his home directory is/export/home/jack.
What is the correct setting of umask, and where should it be set, to allow jack to create a shell script using the vi editor, that is executable by default?

Correct Answer: B
The user file-creation mode mask (umask) is use to determine the file permission for newly created files. It can be used to control the default file permission for new files. It is a four- digit octal number.
You can setup umask in /etc/bashrc or /etc/profile file for all users. By default most Unix distro set it to 0022 (022) or 0002 (002).
1. The default umask 002 used for normal user. With this mask default directory permissions are 775 and default file permissions are 664.
2 . The default umask for the root user is 022 result into default directory permissions are
7 55 and default file permissions are 644.
3 . For directories, the base permissions are (rwxrwxrwx) 0777 and for files they are 0666 (rw-rw-rw).
In short,
1. A umask of 022 allows only you to write data, but anyone can read data.
2. A umask of 077 is good for a completely private system. No other user can read or write your data if umask is set to 077.
3 . A umask of 002 is good when you share data with other users in the same group.
Members of your group can create and modify data files; those outside your group can read data file, but cannot modify it. Set your umask to 007 to completely exclude users who are not group members.
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Question 135

View the Exhibit.

Which is true regarding the disk drive?

Correct Answer: A
Installing a ZFS Root Pool
The installer searches for a disk based on a recommended size of approximately 13 GB.
Reference: Oracle Solaris ZFS Administration Guide, Managing Your ZFS Root Pool
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