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Network Appliance NS0-165 Exam Syllabus Topics:

SectionObjectives
ONTAP Cluster Architecture and Administration- System monitoring and management
  • 1. Event and alert management
    • 2. System health monitoring
      - Cluster setup and configuration
      • 1. Cluster interconnect and quorum concepts
        • 2. Cluster initialization and node management
          Storage Management- Aggregate and volume management
          • 1. Creating and managing aggregates
            • 2. FlexVol provisioning and resizing
              - Storage efficiency
              • 1. Deduplication and compression
                • 2. Thin provisioning
                  Troubleshooting and Maintenance- Software and firmware management
                  • 1. ONTAP upgrades and patches
                    - System troubleshooting
                    • 1. Performance monitoring and analysis
                      • 2. Common ONTAP issues and resolution
                        Data Protection- Backup and replication
                        • 1. SnapMirror configuration and use cases
                          • 2. SnapVault concepts
                            - Snapshot technology
                            • 1. Snapshot creation and management
                              Networking and Access Management- Security and authentication
                              • 1. Authentication methods and policies
                                • 2. Role-based access control (RBAC)
                                  - Network configuration
                                  • 1. LIFs and IPspaces
                                    • 2. NAS protocol configuration (NFS/SMB)

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                                      Network Appliance NetApp Data ONTAP Administrator Exam 認定 NS0-165 試験問題 (Q112-Q117):

                                      質問 # 112
                                      A storage administrator needs to ensure that critical-workload performance is not degraded by competing workloads in a NetApp ONTAP cluster.
                                      Which two actions accomplish this task? (Choose two)

                                      正解:A、C

                                      解説:
                                      NetApp ONTAP Storage Quality of Service (QoS) allows administrators to manage and prioritize system resources (IOPS and MBps bandwidth) across multi-tenant environments and mixed workloads, preventing
                                      "noisy neighbor" problems from impacting business-critical applications. To protect a critical workload from being degraded by competing, lower-priority workloads, an administrator implements two coordinated QoS policies:
                                      * Set a throughput floor for a critical workload (Statement D): An administrator assigns an adaptive or fixed QoS minimum throughput limit (floor) to the critical workload. Supported on All-Flash FAS (AFF) and All-SAN Array (ASA) platforms, a QoS floor ensures that the critical workload receives guaranteed minimum I/O performance and prioritized controller scheduling, even during periods of heavy cluster congestion.
                                      * Set a throughput ceiling on a competing workload (Statement B): An administrator applies a maximum throughput limit (ceiling) to aggressive, non-critical background workloads (such as bulk data ingest, reporting scans, or dev/test environments). The ceiling throttles the competing workload if it attempts to exceed its allocated bandwidth or IOPS, protecting shared storage resources.
                                      Setting a ceiling on a critical workload (Statement A) would artificially restrict its performance, and setting a floor on a competing workload (Statement C) would prioritize the competing workload over the critical application.
                                      Reference: NetApp Data Administrator, ONTAP - Performance; Storage Quality of Service (QoS); Managing Workload Priority with QoS Ceilings and Floors in ONTAP 9.


                                      質問 # 113
                                      Your company requires WORM archiving of data on their ONTAP cluster. The data must not be able to be deleted even by an administrator. Which ONTAP feature fulfills this requirement?

                                      正解:A

                                      解説:
                                      https://docs.netapp.com/ontap-9/index.jsp?topic=%2Fcom.netapp.doc.pow-arch-con%2FGUID-B0D72285-9301-4A20-B68A-8C64A317E995.html


                                      質問 # 114
                                      Which one of the following SyncMirror commands would you use to mirror an existing unmirrored volume where Data ONTAP selects the disk drives?

                                      正解:C


                                      質問 # 115
                                      What is the maximum number of disk shelves per loop in a fabric-attached MetroCluster?

                                      正解:A


                                      質問 # 116
                                      Which NetApp SnapMirror method allows for transparent failover between two AFF clusters with applications using iSCSI LUNs?

                                      正解:A


                                      質問 # 117
                                      ......

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