NS0-521無料試験学習ガイド！（更新された67問あります)
NS0-521問題集にはNCIE SAN ONTAP認証済み試験問題と解答
質問 # 29
An administrator is setting up a NetApp ONTAP AFF system for both NVMe/TCP and iSCSI. Which task is required for SAN configuration?
- A. Configure DH-HMAC-CHAP authentication.
- B. Configure CHAP authentication.
- C. Configure LIFs.
- D. Configure IPsec.
正解：C
解説：
When setting up a NetApp ONTAP AFF system for both NVMe/TCP and iSCSI, a critical task required for SAN configuration is to configure Logical Interfaces (LIFs). LIFs are necessary for network connectivity and are used by both NVMe/TCP and iSCSI protocols to communicate between the storage system and the host.
The configuration of LIFs involves creating and managing these interfaces to ensure they are correctly mapped and available for use by the respective protocols. This step is essential for the SAN setup to function properly.
For more detailed steps on configuring LIFs, you can refer to NetApp's documentation:
* How to Configure NVMe/TCP with ONTAP (NetApp Community).
* SAN Configuration with ONTAP (NetApp).
質問 # 30
What are two benefits of implementing VLANs for NVMe/TCP configurations? (Choose two.)
- A. Increased resiliency
- B. Reduced number of IPspaces
- C. Reduced number of broadcast domains
- D. Increased security
正解：A、D
解説：
Implementing VLANs for NVMe/TCP configurations provides several benefits, two of which are increased resiliency and increased security:
* Increased Resiliency: VLANs help segment the network traffic, reducing the risk of a single point of failure. By isolating NVMe/TCP traffic into specific VLANs, network issues can be contained within a VLAN, preventing them from affecting other parts of the network. This isolation ensures that disruptions are minimized and network resiliency is enhanced.
* Increased Security: VLANs provide an added layer of security by segregating traffic. This segregation ensures that NVMe/TCP traffic is isolated from other types of traffic, reducing the risk of unauthorized access or data breaches. VLANs help in enforcing stricter access controls and monitoring, thereby increasing the overall security of the network.
For more information on the benefits of VLANs in NVMe/TCP configurations, you can refer to NetApp's technical resources:
* Implementing and Configuring Modern SANs with NVMe-oF (NetApp).
* SAN Configuration Best Practices (NetApp Community).
質問 # 31
Which two NetApp features provide synchronous data replication between two sites for SAN workloads with automatic failover in case of a site disaster? (Choose two.)
- A. SnapMirror active sync
- B. MetroCluster IP
- C. SnapMirror SVM
- D. SnapMirror Synchronous
正解：B、D
解説：
For synchronous data replication between two sites with automatic failover in case of a site disaster for SAN workloads, the two NetApp features that provide these capabilities areSnapMirror Synchronousand MetroCluster IP.
* SnapMirror Synchronous: This feature provides volume-granular, synchronous replication with zero RPO (Recovery Point Objective), ensuring that data is mirrored in real-time to a secondary site. This
* setup supports automatic failover, maintaining data availability even during site failures
* MetroCluster IP: This solution provides synchronous replication and combines high availability and disaster recovery capabilities. MetroCluster IP uses IP networking to extend the distance over which replication can occur and supports automatic failover and failback, making it suitable for critical SAN workloads
質問 # 32
A NetApp AFF node in a four-node cluster has a single FC port on one node, which Is used for legacy tape backup. Tape is no longer needed, and the port is disconnected and modified for reuse in the FCP SAN.
Based on this change, which command will verify that the port is usable?
- A. vserver fcp initiator show
- B. syszem node hardware unified-connect show
- C. networkinterface show
- D. lun persistent-reservationshow
正解：B
解説：
To verify that a modified FC port is usable after it has been repurposed from tape backup to FCP SAN, the command system node hardware unified-connect show should be used. This command checks the status and configuration of the unified connect hardware, ensuring that the port is correctly set up for the new function in the SAN environment.
For additional details, see:
* NetApp Command Reference
質問 # 33
A storage engineer is required to provide NetApp site design documentation to show that the NetApp ONTAP SAN solution was delivered as intended.
Which NetApp tool can the storage engineer use to automate the creation of a difference report?
- A. Active IQ OneCollect
- B. Active IQ Config Advisor
- C. NetAppDocs
- D. Harvest
正解：A
解説：
Active IQ OneCollect is a NetApp tool designed to collect configuration and performance data from your storage environment, including SAN solutions. It can automate the creation of difference reports by capturing the current state of the system and comparing it against a baseline, thereby showing any changes or deviations from the intended design.
For further details, refer to:
* NetApp Active IQ OneCollect Documentation
質問 # 34
A customer Is setting up a two-node cluster to serve (SCSI LUNs. How many interfaces should be created?
- A. One iSCSI LIF per node
- B. Two iSCSI LIFs per node
- C. Two ISCSI LIFs per SVM
- D. One ISCSI LIF per SVM
正解：B
解説：
For a two-node cluster serving iSCSI LUNs, it is recommended to createtwo iSCSI LIFs per node. This configuration provides redundancy and load balancing, ensuring that each node can handle failover scenarios effectively and maintain high availability for the iSCSI connections.
For more details, see:
* NetApp Documentation on iSCSI LIF Configuration
質問 # 35
An administrator upgraded their NetApp ONTAP software from release 9.10.1 to 9.13.1 on a NetApp All SAN Array (ASA) cluster and is creating a new iSCSI SVM.
Which automatic feature can be used with iSCSI?
- A. CHAP authentication
- B. igroup creation
- C. LUN mapping
- D. LIF failover
正解：D
解説：
In NetApp ONTAP 9.13.1, one of the automatic features that can be used with iSCSI isLIF failover. This feature ensures that in the event of a network failure or a node issue, the Logical Interface (LIF) will automatically fail over to another available port, maintaining connectivity and minimizing disruption to iSCSI traffic.
For more information, refer to:
* NetApp ONTAP 9.13.1 Features
質問 # 36
A four-node NetApp ONTAP SAN cluster has been deployed. After installation, the engineer wants to verify cabling.
Which NetApp tool should the engineer use?
- A. Active IQ Config Advisor
- B. NetApp Host Utilities package
- C. Hardware Universe
- D. Interoperability Matrix Tool
正解：A
解説：
To verify the cabling of a four-node NetApp ONTAP SAN cluster after installation, the recommended tool is Active IQ Config Advisor. This tool provides detailed checks for proper configuration, including cabling verification, and helps ensure that best practices are followed for optimal performance and reliability.
For further details, see:
* NetApp Active IQ Config Advisor
質問 # 37
A customer requires multiple SAN and NAS protocols on a NetApp AFF cluster. The cluster must concurrently serve a namespace over NVMe/FC, a LUN over FCP, a LUN over iSCSI, and an NFS export.
Based on these requirements, what is the minimum data SVM count that is required?
- A. 0
- B. 1
- C. 2
- D. 3
正解：C
解説：
To concurrently serve a namespace over NVMe/FC, a LUN over FCP, a LUN over iSCSI, and an NFS export, only one data SVM (Storage Virtual Machine) is required. NetApp ONTAP allows a single SVM to supportmultiple SAN and NAS protocols simultaneously, enabling efficient and consolidated management of storage resources.
For more information, refer to:
* NetApp Documentation on SVM Configuration
* NetApp SVM Best Practices
質問 # 38
What should an administrator use to protect an Oracle RAC Automatic Storage Management (ASM) instance to ensure automated restores?
- A. Availability groups
- B. CLI snapshots and clones
- C. Consistency groups
- D. NetApp SnapCenter plugin
正解：D
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 # 39
What connectivity Is required between NetApp ONTAP clusters in order to configure SnapMirror active sync across two data centers for FC?
- A. Cedicated FC switches and ISL
- B. Shared FC switches
- C. Dedicated IP switches and ISL
- D. Cluster peering
正解：D
解説：
To configure SnapMirror active sync across two data centers using FC (Fibre Channel), the required connectivity between NetApp ONTAP clusters is cluster peering. Cluster peering involves establishing a trust relationship between the clusters, allowing them to replicate data seamlessly. This setup ensures that data synchronization and disaster recovery processes are effective and reliable.
For more detailed information, you can check:
* NetApp Documentation on SnapMirror and Cluster Peering
質問 # 40
An administrator configured an SVM with LUNs with two WWPNs per node. The administrator accidentally created a WWPN on node1that needs to move to node2. The SAN hosts use ALUA.
Based on this requirement, what must be taken offline to correct the situation?
- A. LUN
- B. LIF
- C. Volume
- D. SVM
正解：B
質問 # 41
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：B
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 # 42
A customer needs to verify if jumbo frames have been configured correctly for an ISCSI workload. Which command should be used?
- A. pig "lif <LIF> -vserver <svm> -destination <ip> -disallow-fragmentation true -packet-size 8900
- B. ping -lif <LIF> -vserver <SVM> -destination <IP> -disallow-fragmentation true -packet-size 1500
- C. pig -lif <1IF> -vserver <SVM> -destination <IP> -disallow-fragmentation false -packet-size 1500
- D. pig -lif <-F> -vserver <SVM> -destination <IP> -disallow-fragmentation true -packet-size 9000
正解：D
解説：
To verify if jumbo frames have been configured correctly for an iSCSI workload, the command ping -lif
<LIF> -vserver <SVM> -destination <IP> -disallow-fragmentation true -packet-size 9000 should be used. This command tests the network path with the jumbo frame size (9000 bytes) and ensures that the packets are not fragmented, confirming that jumbo frames are supported end-to-end.
For more details, you can check:
* NetApp Documentation on iSCSI Configuration
* NetApp Community Discussions on Jumbo Frames
質問 # 43
What Is modified when moving a LUN between different HA pairs in the same SVM to prevent loss of connectivity?
- A. LUN mapping
- B. reporting nodes
Cigroup - C. port name
正解：B
解説：
When moving a LUN between different HA pairs in the same SVM to prevent loss of connectivity, the reporting nodes must be modified. The reporting nodes configuration ensures that the initiator paths are properly updated to reflect the new physical location of the LUN. This prevents disruptions in connectivity by maintaining the correct pathing information for the host systems accessing the LUN.
For more details, refer to:
* NetApp Documentation on LUN Management
質問 # 44
What is the maximum size for a LUN in NetApp ONTAP 9.14.1 software?
- A. 64TiB
- B. 128TiB
- C. 300TiB
- D. 16TiB
正解：B
解説：
In NetApp ONTAP 9.14.1 software, the maximum size for a LUN is128TiB. This limit ensures that large datasets can be stored and managed efficiently within a single LUN, catering to the needs of high-capacity SAN environments
質問 # 45
A storage administrator wants to increase security and optimize performance in a recently implemented SAN deployment.
What should the storage administrator configure to ensure initiator restriction to certain LIFs?
- A. Subnets
- B. Access list
- C. Network route
- D. Broadcast domain.
正解：B
解説：
To increase security and optimize performance in a SAN deployment, configuring an access list is essential.
Access lists restrict initiator access to specific LIFs, ensuring that only authorized hosts can connect to the storage system. This helps in enhancing security by preventing unauthorized access and optimizes performance by controlling and managing the paths used for storage access.
For additional details, you can refer to:
* NetApp SAN Administration Guide
質問 # 46
What configuration must be applied for NVMe/FC?
- A. Configure igroup and IQN mapping.
- B. Enable NPIV on all fabric switches.
- C. Enable NPV on all fabric switches.
- D. Create multiple initiator zones and multiple target zones.
正解：B
解説：
When configuring NVMe/FC (NVMe over Fibre Channel), it is necessary to enable N_Port ID Virtualization (NPIV) on all fabric switches. NPIV allows multiple Fibre Channel initiators to share a single physical Fibre Channel port, which is crucial for NVMe/FC environments where efficient utilization of available ports is needed.
NPIV support enables the creation of virtual ports, which can significantly optimize the configuration and management of Fibre Channel fabrics, thus supporting NVMe/FC operations.
For further details, you can refer to:
* NetApp Community - NVMe/FC Configuration (NetApp Community).
* NetApp Documentation - NVMe Overview (NetApp).
質問 # 47
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