[2025年01月最新リリース] 合格できるNS0-521試験にはリアル問題とアンサー
合格できるNS0-521レビューガイド、頼もしいNS0-521テストエンジン
Network Appliance NS0-521 認定試験の出題範囲：
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質問 # 35
An administrator creates a new volume and a LUN for an SAN-connected application that uses snapshots. The application has fast-growing data that is constantly being populated and deleted afterwards.
Which option can be set to manage the space automatically?
- A. Enable automatic resizing on the volume.
- B. Unmap the LUN.
- C. Disable volume snapshot autodelete.
- D. Enable space reservation on the LUN.
正解：A
解説：
To manage space automatically for a volume containing a LUN with fast-growing data, enabling automatic resizing on the volume is recommended. This feature allows the volume to grow dynamically as needed, accommodating the fluctuating data size without manual intervention. This helps in managing storage efficiently and ensures that the application has the required space.
For further details, refer to:
* NetApp Documentation on Volume Management
* NetApp Community Discussion on Automatic Resizing
質問 # 36
A customer has created an SVM for their SAN workloads. They now want to configure the SVM to use NVMe/FC. Which two steps are needed to accomplish this task? (Choose two.)
- A. Add the FC protocol.
- B. Create an NVMe/FC LIF.
- C. Create the NVMe service.
- D. Create the FC service.
正解：A、B
解説：
To configure an SVM to use NVMe/FC, the following steps are necessary:
* Add the FC protocol: This step involves enabling the Fibre Channel protocol on the SVM, which is required to support NVMe over Fibre Channel.
* Create an NVMe/FC LIF: Logical Interfaces (LIFs) must be created to handle NVMe traffic over the Fibre Channel network. These LIFs enable the NVMe namespace access to the host systems.
These steps ensure that the SVM is correctly set up to use NVMe/FC, allowing for efficient and high-performance access to NVMe storage.
For more information, refer to:
* NetApp NVMe/FC Configuration
質問 # 37
On a two-node NetApp AFF ASA cluster, what is the recommended minimum number of paths for a SAN environment from the client host perspective?
- A. 0
- B. 1
- C. 2
- D. 3
正解：A
解説：
In a two-node NetApp AFF ASA cluster, the recommended minimum number of paths for a SAN environment from the client host perspective is 4. This configuration ensures high availability and load balancing, which are critical for maintaining performance and resilience in a SAN environment. Each host should have at least two paths to each controller to achieve this setup.
For more detailed information, you can refer to:
* NetApp SAN Configuration
* NetApp All-Flash SAN Array Documentation
質問 # 38
A storage administrator has a NetApp AFF SAN cluster in a multitenant environment. Another user has requested access to perform only replication within a specific SVM to another cluster.
Which default role would be used in this scenario?
- A. backup
- B. readonly
- C. vsadmin-protocol
- D. vsadmin-backup
正解：D
解説：
In a multitenant environment where a user needs access only to perform replication within a specific SVM to another cluster, the default rolevsadmin-backupis appropriate. This role provides thenecessary permissions to manage backup and replication tasks without granting broader administrative rights.
For more details, see:
* NetApp Documentation on User Roles
* NetApp Community Discussion on Roles
質問 # 39
What should an administrator use to protect an Oracle RAC Automatic Storage Management (ASM) instance to ensure automated restores?
- A. NetApp SnapCenter plugin
- B. Consistency groups
- C. Availability groups
- D. CLI snapshots and clones
正解：A
解説：
To protect an Oracle RAC Automatic Storage Management (ASM) instance and ensure automated restores, the recommended tool is theNetApp SnapCenter plugin. SnapCenter provides comprehensive backup, restore, and clone capabilities for Oracle databases, including those using ASM. It integrates tightly with Oracle RAC environments and automates the entire data protection process, ensuring that backups are consistent and restores are efficient and reliable.
For more details, refer to:
* NetApp Documentation on SnapCenter for Oracle (NetApp).
* NetApp TR-4964: Oracle Database Backup, Restore, and Clone (NetApp).
質問 # 40
During maintenance of A NetApp AFF ONTAP cluster, which two steps are needed to move the SAN UFs to new nodes that are members of a portset? (Choose two.)
- A. Take the SAN LIF offline.
- B. Remove the LIF from the portset.
- C. Disable the zoning of the LIF WWPN.
- D. Disable the SLM feature for the node that hosts the LIF.
正解：A、B
質問 # 41
An administrator has a NetApp AFF cluster supporting an application with twelve LUNs allocated across four volumes. There is a requirement to configure a Snapshot copy of all LUNs simultaneously as a single unit.
Which NetApp ONTAP command should be used to configure this requirement?
- A. volume conversion start
- B. vserver consistency-group create
- C. network port ifgrp create
- D. lun igroup create
正解：B
解説：
To configure a Snapshot copy of all LUNs simultaneously as a single unit in an application with multiple LUNs spread across several volumes, the command vserver consistency-group create should be used. This command creates a consistency group that allows for coordinated snapshot creation across multiple volumes, ensuring that the snapshots are consistent with each other.
For more information, you can refer to:
* NetApp ONTAP Consistency Group Documentation
* NetApp Community Discussions on Consistency Groups
質問 # 42
Which two steps must be taken first to restore a LUN from a SnapMirror Synchronous destination? (Choose two.)
- A. Delete the relationship.
- B. Initialize the relationship.
- C. Release the relationship.
- D. Resync the relationship.
正解：A、C
解説：
To restore a LUN from a SnapMirror Synchronous destination, the following steps must be taken:
* Release the relationship: This step is necessary to break the SnapMirror relationship, allowing the LUN to be restored independently.
* Delete the relationship: After releasing the relationship, deleting it ensures that there are no residual dependencies or configurations that might interfere with the restore process.
For more information, refer to:
* NetApp Documentation on SnapMirror Synchronous (NetApp) (NetApp).
質問 # 43
A customer has a 10GB volume with an 8GB LUN that is using 7GB. The snapshot policy is hourly and retains 48 snapshots. After a ransomware attack that encrypts all files on the LUN, the customer notices that all snapshots are gone.
What could cause this behavior?
- A. Snapshot autodelete
- B. Aggregate overcommitted
- C. Autonomous Ransomware Protection
- D. Volume thinly provisioned
正解：A
解説：
The likely cause for the disappearance of all snapshots after a ransomware attack that encrypted all files on the LUN is the Snapshot autodelete feature. When the volume becomes full due to the encryption, the autodelete feature removes older snapshots to free up space, preventing the volume from running out of space and ensuring write operations can continue.
For more information, see:
* NetApp Documentation on Snapshot Autodelete
* NetApp Community Discussion on Snapshot Deletion
質問 # 44
A storage administrator recently implemented ISCSI SAN in a customer environment. Which two actions should be done to ensure the best performance? (Choose two.)
- A. Configure Jumbo frames In the entire data path.
- B. Zone the host by using the host WWPNs.
- C. Connect host and storage ports to the same switches.
- D. Decrease the default queue depth on the host to eight.
正解：A、C
解説：
To ensure the best performance in an iSCSI SAN implementation:
* Connect host and storage ports to the same switches: This minimizes latency and maximizes the efficiency of data paths by ensuring direct connections within the same network segment.
* Configure Jumbo frames in the entire data path: Setting a larger Maximum Transmission Unit (MTU) size reduces the overhead for processing each packet, thus improving overall network performance. Ensuring Jumbo frames are configured end-to-end in the data path is crucial for optimal
* performance.
For further details, check:
* NetApp Best Practices for iSCSI
* NetApp Community Discussion on iSCSI Performance
質問 # 45
Click the Exhibit button.
A customer is testing a newly installed NetApp AFF A400 all-flash HA storage system. An SVM for FCP with a LUN on Node 1 has been configured, and a server has been connected as shown in the exhibit. For testing, the engineer plans to do a storage failover of Node 1.
After the failover, what is the expected status of the marked path?
- A. Active/Nonoptimized
- B. Unavailable
- C. Offline
- D. Active/Optimized
正解：A
解説：
In the scenario where a storage failover is performed on Node 1 in an HA pair, the path marked in the exhibit would becomeActive/Nonoptimized. After the failover, the LIFs from Node 1 that were activeand optimized will switch to Node 2. Paths that were previously optimized will become nonoptimized because they are now served through the partner node.
For more details, see:
* NetApp Documentation on ALUA
質問 # 46
What needs to be done to create a consistent Snapshot copy of a LUN without disruptions?
- A. Ensure that the LUN Is unmapped from the host.
- B. Map the LUN to a host.
- C. Ensure that the LUN is the only one in the volume.
- D. Quiesce I/O to the LUN.
正解：D
解説：
To create a consistent Snapshot copy of a LUN without disruptions, it is necessary to quiesce I/O to the LUN.
This process involves pausing or temporarily stopping the input/output operations to ensure that the data is in a consistent state when the snapshot is taken. This method is crucial for maintaining data integrity and consistency in the snapshot.
For further details, refer to:
* NetApp Documentation on Snapshot Consistency
* NetApp Best Practices for Snapshot Management
質問 # 47
An administrator has a NetApp AFF cluster with two SVMs serving LUNs. SnapMirror active sync is configured, and a disaster recovery test is planned over the weekend.
Which NetApp ONTAP command will show the status of this test?
- A. snapnirror config-replication status show
- B. network interface failover-groups show
- C. storage failover hwassist show
- D. snapmirror failover show
正解：D
解説：
To check the status of a SnapMirror active sync disaster recovery test on a NetApp ONTAP cluster, you would use the command snapmirror failover show. This command provides the necessary details about the failover status, helping administrators verify if the disaster recovery test is proceeding as expected. It displays the status of the failover groups and their readiness, which is essential for confirming the effectiveness of the disaster recovery setup.
For more detailed information on SnapMirror commands and their usage, refer to:
* NetApp Documentation - SnapMirror Commands (NetApp Community) (NetApp Community).
質問 # 48
What Is a recommended setting for using the NetApp ONTAP LUN fractional reserve?
- A. Space allocation is set to enable.
- B. Space guarantee is set to volume.
- C. Volume Snapshot copy automatic deletion is disabled.
- D. LUN space reservation is disabled.
正解：B
解説：
The recommended setting for using the NetApp ONTAP LUN fractional reserve is to set the space guarantee to "volume". This setting ensures that the required space for overwrites in the volume is reserved, preventing potential write failures when snapshot copies are created. This setup helps in maintaining the performance and reliability of the storage system by ensuring there is always enough space allocated for the LUN.
For further details, you can refer to:
* NetApp Community Discussion on Fractional Reserve
* NetApp Documentation on Space Management
質問 # 49
A storage engineer in SAN environment needs to Identify FC ports using the company-wide naming policy.
Which command will accomplish this task?
- A. network interface modify
- B. ucadmin modify
- C. vserver fcp wwpn-alias set
- D. TCP portname set
正解：C
解説：
The vserver fcp wwpn-alias set command is used to set or modify the World Wide Port Name (WWPN) aliases for Fibre Channel (FC) ports in a NetApp ONTAP environment. This command allows you to apply a company-wide naming policy to FC ports, ensuring consistent and easily identifiable naming conventions across your storage infrastructure.
For further details, you can refer to:
* NetApp Documentation on FC Management
* NetApp Community Discussion on WWPN Aliases
質問 # 50
A customer asks for help cloning one database LUN from a SnapMlrror destination volume for testing the data with a new application.
What command should the administrator use to clone the LUN?
- A. volumemove start
- B. volume fileclonecreate
- C. volumeclone create
- D. lun wovestart
正解：C
解説：
To clone a LUN from a SnapMirror destination volume for testing purposes, the volume clone create command should be used. This command creates a FlexClone volume from the SnapMirror destination, making the LUN within it accessible for testing without disrupting the original volume.
For more details, refer to:
* NetApp Documentation on Volume Clone Create
* NetApp Community Discussion on LUN Cloning
質問 # 51
A customer has a two-node NetApp AFF ASA cluster in an environment with a Cisco Fibre Channel SAN and Cisco UCS Servers. The customer wants to upgrade the UCS Server BIOS and the Cisco NX-OS system running on the switches.
Which NetApp resource should be consulted to check compatibility with the new versions?
- A. Interoperability Matrix Tool (IMT)
- B. Active IQ Config Advisor
- C. Hardware Universe
- D. BlueXP digital advisor
正解：A
解説：
When planning to upgrade the UCS Server BIOS and Cisco NX-OS system running on the switches in a NetApp AFF ASA cluster environment, theInteroperability Matrix Tool (IMT)is the recommended resource to check compatibility with the new versions. The IMT provides detailed compatibility information for various hardware and software components, ensuring that the planned upgrades will not cause any interoperability issues.
For further details, refer to:
* NetApp Interoperability Matrix Tool
質問 # 52
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NS0-521テストエンジン練習テスト問題試験問題集：https://drive.google.com/open?id=11c0yAoIND4yzU-2XzGsYkZQnbMkMvQzf