Oracle Solaris 11 - Storage

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Quizzes Created: 25 | Total Attempts: 13,343
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Oracle Quizzes & Trivia

Questions and Answers
  • 1. 

    Which among these is the root file system on Oracle Solaris 11 ?

    • A.

      SMP

    • B.

      Admin

    • C.

      Rootvg

    • D.

      ZFS

    Correct Answer
    D. ZFS
    Explanation
    ZFS (Zettabyte File System) is the root file system on Oracle Solaris 11. ZFS is a combined file system and logical volume manager that provides features such as data integrity, snapshots, and dynamic storage allocation. It offers advanced capabilities for managing storage resources and is designed to be highly scalable and efficient. ZFS allows for easy administration and provides a reliable and flexible solution for managing the root file system on Oracle Solaris 11.

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  • 2. 

    Fill in the blanks. ZFS eliminates the concept of __________ and the associated problems of partitions.

    • A.

      Volumes

    • B.

      Encrypted dataset

    • C.

      Data validation

    • D.

      Encrypted root pool

    Correct Answer
    A. Volumes
    Explanation
    ZFS eliminates the concept of volumes and the associated problems of partitions. Instead of dividing storage into separate partitions, ZFS uses a pooled storage model where all available storage is combined into a single pool. This allows for more efficient use of storage space and eliminates the need to manage multiple partitions. Additionally, ZFS provides advanced features such as data redundancy, data integrity checks, and dynamic resizing, making it a robust and flexible file system.

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  • 3. 

    Blocks are check-summed to prevent silent data corruption, allowing data to self-heal itself in Mirror / RAID configurations. If a copy is damaged, then ZFS uses its mount points to repair it.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The given statement is false. Blocks are not check-summed in order to prevent silent data corruption in Mirror/RAID configurations. In ZFS, check-summing is done at the file system level, not the block level. ZFS uses checksums to detect and repair data corruption, regardless of the storage configuration. The statement incorrectly suggests that the check-summing is done at the block level and is specific to Mirror/RAID configurations, which is not the case.

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  • 4. 

    What support has been added to ZFS in Oracle Solaris 11 to protect against theft of physical storage ?

    • A.

      Crypto-algorithm

    • B.

      Sandbox Security

    • C.

      Encrypted dataset

    • D.

      Encrypted root pool

    Correct Answer
    C. Encrypted dataset
    Explanation
    In Oracle Solaris 11, support for encrypted datasets has been added to protect against theft of physical storage. This means that the data stored in the dataset is encrypted, making it unreadable and unusable without the proper encryption key. This provides an additional layer of security to prevent unauthorized access to the data in case of theft or physical compromise of the storage device.

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  • 5. 

    What support has been added to Oracle Solaris 11, to reduce the amount of total data stored by eliminating and sharing common components ?

    • A.

      Deduplication

    • B.

      Checksum redundancy

    • C.

      Secured dataset

    • D.

      RSA check

    Correct Answer
    A. Deduplication
    Explanation
    Deduplication is a support feature added to Oracle Solaris 11 to reduce the amount of total data stored by eliminating and sharing common components. This means that if multiple files or data blocks have the same content, only one copy of the data will be stored, reducing storage space requirements. Deduplication achieves this by identifying duplicate data and replacing it with references to a single copy, resulting in significant storage savings.

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  • 6. 

    Which new tool has been incoporated in Oracle Solaris 11 for migrating data from an existing file system to a new file system ?

    • A.

      Data migration

    • B.

      Sysfile migration

    • C.

      ZFS migration

    • D.

      Shadow migration

    Correct Answer
    D. Shadow migration
    Explanation
    Shadow migration is the correct answer because it is a new tool that has been incorporated in Oracle Solaris 11 for migrating data from an existing file system to a new file system. This tool allows for a seamless and efficient transfer of data, ensuring that all files and configurations are properly migrated without any loss or disruption. It is specifically designed for the purpose of data migration in Oracle Solaris 11.

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  • 7. 

    Which option enables zfs mount command to mount file system temporarily at a location other than the file system's persistent mount point ?

    • A.

      -p mountpoint=location

    • B.

      -o mountlocation=value

    • C.

      -o mountpoint=value

    • D.

      -p mountlocation=directory

    Correct Answer
    C. -o mountpoint=value
    Explanation
    The correct answer is "-o mountpoint=value". This option allows the zfs mount command to temporarily mount a file system at a location other than its persistent mount point. By specifying the desired mount point using the "mountpoint" option, the file system can be mounted at that location for the duration of the command execution.

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  • 8. 

    Which shorter command line option has been added with Oracle Solaris 11 to allow administrators to take a ZFS snapshot ?

    • A.

      Admin snap

    • B.

      Zfs snap

    • C.

      Sys snap

    • D.

      Zfs shot

    Correct Answer
    B. Zfs snap
    Explanation
    The correct answer is "zfs snap". In Oracle Solaris 11, the "zfs snap" command line option has been added to allow administrators to take a ZFS snapshot. This command is used to create a point-in-time copy of a ZFS file system or volume, which can be used for various purposes such as data backup, system recovery, or testing.

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  • 9. 

    Privileges users can view what file and directory level changes have occurred between snapshots, such as files or directories added, removed, modified or renamed in a later snapshot.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Privileged users have the ability to access and view the changes that have taken place at the file and directory level between snapshots. This includes being able to see if any files or directories have been added, removed, modified, or renamed in a later snapshot. Therefore, the statement is true.

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  • 10. 

    What is the use of  "NFS Version 4 protocol"?

    • A.

      Defines the way a client and a server are to handle file system migration.

    • B.

      Defines the way a archive and a network are to handle ZFS volumes.

    • C.

      Defines the way a archive and a network are to handle file system migration.

    • D.

      Defines the way a client and a server are to handle ZFS volumes.

    Correct Answer
    A. Defines the way a client and a server are to handle file system migration.
    Explanation
    The use of the "NFS Version 4 protocol" is to define the way a client and a server are to handle file system migration. This means that it provides a standardized method for transferring file systems between different machines or servers, ensuring that the process is efficient and reliable.

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  • 11. 

    Fill in the blanks. An NFS server will have the ability to __________ the file system against changes, save in-memory state on the source, restore the state on the destination, and inform the client of the move.

    • A.

      Migrate

    • B.

      Mirror

    • C.

      Quiesce

    • D.

      Partition

    Correct Answer
    C. Quiesce
    Explanation
    An NFS server will have the ability to quiesce the file system against changes, save in-memory state on the source, restore the state on the destination, and inform the client of the move. The term "quiesce" refers to temporarily pausing or freezing the activity of a system or component to ensure that it is in a consistent state before performing a specific operation. In the context of an NFS server, quiescing the file system allows for a controlled and synchronized migration or movement of the file system without any data loss or corruption.

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  • 12. 

    What does "CIFS" stands for?

    • A.

      Custom Internet File System

    • B.

      Common Internet File Security

    • C.

      Common Internet File System

    • D.

      Cache Internet File System

    Correct Answer
    C. Common Internet File System
    Explanation
    CIFS stands for Common Internet File System. This is a network file-sharing protocol that allows users to access files and folders on remote computers. It is commonly used in Windows operating systems for sharing files and printers over a network.

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  • 13. 

    Fill in the blanks. The CIFS is also known as ________, is the standard for Microsoft file sharing services

    • A.

      SMB

    • B.

      ACL

    • C.

      MRC

    • D.

      NDMP

    Correct Answer
    A. SMB
    Explanation
    SMB (Server Message Block) is also known as CIFS (Common Internet File System) and is the standard protocol used for Microsoft file sharing services. It allows for the sharing of files, printers, and other resources between computers on a network.

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  • 14. 

    What is the use of CISF in Oracle Solaris 11?

    • A.

      Provides file system security required for Windows like behavior for interoperability with CIFS clients

    • B.

      Provides data encryption and data validation required for Windows like behavior for interoperability with CIFS clients

    • C.

      Provides file sharing and MS-RPC administration services required for Windows like behavior for interoperability with CIFS clients

    • D.

      Provides file sharing and MS-RPC administration services required for Windows like behavior for interoperability with the network server

    Correct Answer
    C. Provides file sharing and MS-RPC administration services required for Windows like behavior for interoperability with CIFS clients
    Explanation
    The correct answer suggests that the use of CISF in Oracle Solaris 11 is to provide file sharing and MS-RPC administration services required for Windows-like behavior for interoperability with CIFS clients. This means that CISF allows users to share files and administer MS-RPC services in a way that is compatible with Windows systems and CIFS clients.

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  • 15. 

    Are Microsoft ACLs supported in ZFS?

    • A.

      Yes

    • B.

      No

    Correct Answer
    A. Yes
    Explanation
    Yes, Microsoft ACLs are supported in ZFS. ZFS, or the Zettabyte File System, is a combined file system and logical volume manager designed by Sun Microsystems. It is known for its advanced features and capabilities, one of which is the support for Microsoft Access Control Lists (ACLs). ACLs are used to define permissions and access rights for files and directories in a Microsoft Windows environment. With ZFS, users can take advantage of these ACLs to manage access control and security in their ZFS file systems.

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  • 16. 

    What is DTrace provider, smb used for in Oracle Solaris 11?

    • A.

      Helps developers to observe a wide range of SMB operations, before and after connection with the client is made.

    • B.

      Helps developers to use Microsoft ACLs, before and after requests are executed

    • C.

      Helps developers to observe a wide range of SMB operations, before and after requests are executed

    • D.

      None of the above

    Correct Answer
    C. Helps developers to observe a wide range of SMB operations, before and after requests are executed
    Explanation
    The correct answer is "Helps developers to observe a wide range of SMB operations, before and after requests are executed." This means that the DTrace provider, smb in Oracle Solaris 11 allows developers to monitor and analyze various SMB (Server Message Block) operations, both before and after they are executed. This can help in troubleshooting and optimizing the performance of SMB connections and requests.

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  • 17. 

    The iscsi DTrace provider allows administrators to trace iSCSI target activity from the client’s perspective.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The given statement is false. The iSCSI DTrace provider allows administrators to trace iSCSI target activity from the server's perspective, not the client's perspective.

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