今すぐNS0-593問題を使おうNS0-593問題集PDF [Q27-Q43]

今すぐNS0-593問題を使おうNS0-593問題集PDF

問題集練習試験問題学習ガイドはNS0-593試験合格させます

質問 # 27
You are deploying NetApp ONTAP Select. When trying to add VMware vCenter to the inventory, you receive the message shown below.
Credential authentication failed for x.x.x.x with: HostConnectionFailed In this scenario, how would you correct this problem?

• A. Change the vCenter password.
• B. Change the IP address of the ONTAP Select Deploy VM.
• C. Change the IP address of the vCenter server.
• D. Change the gateway address of the ONTAP Select Deploy VM.

正解：B

解説：
The error message indicates that the ONTAP Select Deploy VM cannot connect to the vCenter server due to a network issue1.
One possible cause of this issue is that the IP address of the ONTAP Select Deploy VM is conflicting with another device on the same network2.
To correct this problem, you need to change the IP address of the ONTAP Select Deploy VM to a unique and valid address that can reach the vCenter server2.
You can change the IP address of the ONTAP Select Deploy VM by using the Deploy web interface or the Deploy CLI2.
After changing the IP address, you need to restart the Deploy services and re-add the vCenter server to the inventory2. Reference:
1: Credential authentication failed with: HostConnectionFailed, NetApp Knowledge Base
2: Changing the IP address of the Deploy VM, ONTAP Select 9 Documentation Center

質問 # 28
Your customer noticed in NetApp Active IQ that their NetApp Cloud Volumes ONTAP for Azure HA solution is no longer sending AutoSupport messages over HTTPS. A support ticket has been opened to find out why. No changes have been made to the Cloud Volumes ONTAP for Azure HA environment.
In this scenario, which two autosupport command parameters should be used to validate that AutoSupport Is working properly? {Choose two.)

• A. -mail-hosts
• B. -to
• C. -proxy-url
• D. -transport

正解：C、D

解説：
= The -transport parameter specifies the protocol used to send AutoSupport messages, which should be HTTPS by default. The -proxy-url parameter specifies the proxy server used to send AutoSupport messages, which should be the Connector's IP address and port if the Cloud Volumes ONTAP nodes do not have outbound internet access. These two parameters can be used to check the AutoSupport configuration and connectivity status. Reference = Verify AutoSupport setup, Troubleshoot your AutoSupport configuration, High-availability pairs in Azure

質問 # 29
Your customer mentions that they have accidentally destroyed both root aggregates in their two-node cluster.
In this scenario, what are two actions that must be performed? (Choose two.)

• A. Re-create the cluster from the remote backup.
• B. Install ONTAP from a USB device.
• C. Re-create the cluster from the local backup.
• D. Rejoin the second node to the re-created cluster.

正解：B、D

解説：
If both root aggregates are destroyed in a two-node cluster, the cluster will be inoperable and the data will be inaccessible. To recover from this situation, you need to perform the following actions:
Install ONTAP from a USB device on one of the nodes. This will create a new root aggregate and a new cluster on that node.
Rejoin the second node to the re-created cluster. This will also create a new root aggregate on the second node and synchronize it with the first node.
Restore the cluster configuration and data from a backup, if available. Reference = ONTAP 9 Documentation Center Storage System Recovery Troubleshooting Recovering from a root aggregate failure

質問 # 30
An administrator receives the following error message:

What are two causes for this error? (Choose two.)

• A. There Is excessive SSD load causing the wear leveling to become unbalanced.
• B. An SSD disk is performing garbage collection to create a dense data layout.
• C. A disk is falling.
• D. There is excessive SATA HDD load.

正解：A、B

解説：
The error message "wafl.cp.toolong:error" indicates that a WAFL consistency point (CP) took longer than 30 seconds to complete. A CP is a process that flushes the data from the NVRAM buffer to the disk. A long CP can cause latency and performance issues for the system1 One possible cause for a long CP is excessive SSD load causing the wear leveling to become unbalanced. Wear leveling is a technique that distributes the write operations evenly across the SSD cells to extend the lifespan of the SSD. If some SSD cells are written more frequently than others, the wear leveling will become unbalanced and the SSD performance will degrade2 Another possible cause for a long CP is an SSD disk performing garbage collection to create a dense data layout. Garbage collection is a process that reclaims the space occupied by invalid or deleted data on the SSD. Garbage collection can improve the write performance and storage efficiency of the SSD, but it can also consume CPU and disk resources and cause long CPs3 A disk failing or being failed is not a likely cause for a long CP, because the system will automatically mark the disk as failed and remove it from the aggregate. The system will also initiate a disk reconstruction or a RAID scrub to restore the data protection and redundancy4 There is no evidence that the system has SATA HDDs, so there is no reason to assume that there is excessive SATA HDD load. Moreover, SATA HDDs are usually used for secondary or backup storage, not for primary or performance-sensitive workloads5 Reference:
1: Are long Consistency Points (wafl.cp.toolong) normal? - NetApp Knowledge Base 2: How to troubleshoot SSD performance issues - NetApp Knowledge Base 3: How to troubleshoot SSD garbage collection issues - NetApp Knowledge Base 4: How to troubleshoot disk failures and replacements - NetApp Knowledge Base 5: ONTAP 9 - Hardware Universe - The Open Group

質問 # 31
After expanding a two-node AFF A300 cluster with two AFF A700 nodes, you observe latencies when data is accessed indirectly. The system node run -node -command netstat command shows retransmits and packet drops on the LIFs. The AFF A700 nodes with 40 Gbps and the AFF A300 connect with 10 Gbps to the cluster interconnect. You are using Cisco Nexus 3132Q cluster interconnect switches. You just updated to ONTAP 9.8 software.
In this scenario, what is causing this problem?

• A. AFF A300 and AFF A700 node mixing Is not supported in ONTAP 9.8 software.
• B. The 10 Gbps to 10 Gbps cluster Interconnect is creating a speed mismatch.
• C. The AFF A300 Is using an adapter card for the cluster Interconnect, but only onboard ports are supported.
• D. There is an NXOS firmware mismatch, verify in the Interoperability Matrix (1MTJ for a supported version.

正解：B

解説：
A speed mismatch occurs when the cluster ports on different nodes have different speeds, such as 10 Gbps and 40 Gbps1.
A speed mismatch can cause packet loss, retransmits, and latency on the cluster network, especially when data is accessed indirectly, meaning that the node serving the data is different from the node hosting the LIF2.
In this scenario, the AFF A300 nodes have 10 Gbps cluster ports, while the AFF A700 nodes have 40 Gbps cluster ports, creating a speed mismatch on the cluster interconnect34.
The Cisco Nexus 3132Q cluster interconnect switches support both 10 Gbps and 40 Gbps cluster ports, but they have a shallow buffer size of 9 MB per port, which can be easily overwhelmed by the bursty traffic generated by the speed mismatch.
To solve this problem, you need to either upgrade the cluster ports on the AFF A300 nodes to 40 Gbps, or downgrade the cluster ports on the AFF A700 nodes to 10 Gbps, to achieve a homogeneous cluster interconnect1.
Alternatively, you can use QoS policies to limit the bandwidth of the cluster ports to avoid oversubscription and congestion on the cluster interconnect. Reference:
1: Cluster network cabling, ONTAP 9 Documentation Center
2: Cluster Network Latency - Troubleshooting Guide, NetApp Knowledge Base
3: AFF A300 Tech Specs, NetApp
4: AFF A700 Tech Specs, NetApp
[5]: Why do network speed mismatches create problems with shallow buffered switches?, NetApp Knowledge Base
[6]: How to use QoS to limit the bandwidth of cluster ports, NetApp Knowledge Base

質問 # 32
After a normal power down of both nodes forbuilding maintenance, Node01 of a 2-node cluster cannot be
powered back up; however, all disk shelves are powered.
Which action should be performed to bring the cluster online and allow Node02 to serve data?

• A. Recreate the cluster with the system configuration recovery cluster recreate -from node command.
• B. Perform a takeover with the storage failover takeover -ofnode Node01 -option forcecommand.
• C. Reinitialize the cluster with option 4a from the boot menu.
• D. Reboot the node With the system node reboot -node Node02 -bypass-optimization true command.

正解：A

質問 # 33
Recently, a CIFS SVM was deployed and is working. The customer wants to use the Dynamic DNS (DDNS) capability available in NetApp ONTAP to easily advertise both data UFs to their clients. Currently. DNS is only responding with one data LIF. DDNS is enabled on the domain controllers.

Referring to the exhibit, which two actions should be performed to enable DDNS updates to work? (Choose two.)

• A. Enable the -use-secure parameter for the SVM DDNS services.
• B. Remove the NFS protocol from the cifs_01 data LIF.
• C. Enable the -is-enabled parameter for the SVM DDNS services
• D. Disable the -vserver-fqdn parameter for the SVM DDNS services.

正解：B、C

解説：
To enable DDNS updates to work, two actions should be performed:
Remove the NFS protocol from the cifs_01 data LIF. This is because DDNS updates are only supported for LIFs that have only one data protocol enabled1. The cifs_01 LIF has both NFS and CIFS protocols enabled, which prevents it from registering its DNS record dynamically. By removing the NFS protocol from the cifs_01 LIF, it will become eligible for DDNS updates.
Enable the -is-enabled parameter for the SVM DDNS services. This is because the -is-enabled parameter controls whether the SVM sends DDNS updates to the DNS servers2. The exhibit shows that the -is-enabled parameter is set to false for the svm1 SVM, which means that it does not send any DDNS updates. By enabling the -is-enabled parameter, the SVM will start sending DDNS updates for its eligible LIFs. Reference:
1: Configure dynamic DNS services3
2: Manage DNS/DDNS services with System Manager4

質問 # 34
You created a new NetApp ONTAP FlexGroup volume spanning six nodes and 12 aggregates with a total size of 4 TB. You added millions of files to the FlexGroup volume with a flat directory structure totaling 2 TB, and you receive an out of apace error message on your host.
What would cause this error?

• A. The maximum number of volume constituents has been reached in the ONTAP software.
• B. The inode limit is exceeded in the ONTAP software.
• C. The maxdirsize Is exceeded in the ONTAP software.
• D. All constituent volumes are full.

正解：C

解説：
The maxdirsize is the maximum size of a directory in a FlexVol or FlexGroup volume. It is determined by the number of inodes allocated to the directory. If the directory contains more files than the maxdirsize can accommodate, then the ONTAP software will return an out of space error message to the host, even if the volume has enough free space. This can happen when a FlexGroup volume has a flat directory structure with millions of files, as the maxdirsize is not automatically adjusted for FlexGroup volumes12. Reference: 1: FlexGroup volumes: Frequently asked questions | NetApp Documentation 2: How to increase the maxdirsize of a FlexVol volume - NetApp Knowledge Base

質問 # 35
You have a customer complaining of long build times from their NetApp ONTAP-based datastores. They
provided you packet traces from the controller and client. Analysis of these traces shows an average service
response time of 1 ms. QoS outputconfirms the same. The client traces are reporting an average of 15 ms in
the same time period.
In this situation, what would be your next step?

• A. A sync core should be triggered.
• B. The cluster interconnects should be investigated.
• C. The cluster is responding slowly and requires further investigation using performance archives.
• D. The client that reports high latency should be investigated.

正解：D

質問 # 36
When you review performance data for a NetApp ONTAP cluster node, there are back-to-back (B2B) type
consistency points (CPs) found occurring onthe loot aggregate.
In this scenario, how will performance of the client operations on the data aggregates be affected?

• A. Data aggregates will not be affected by B2B processing on another aggregate.
• B. During B2B processing, clients will be unable to write data.
• C. During B2B processing, all I/O to the node is stopped.
• D. During B2B processing, clients will be unable to read data.

正解：A

質問 # 37
You have a new VMware vSphere cluster with ESXI 7.0U2 hosts. The hosts are connected to a 4-node AFF
A400 NetApp ONTAP9.8 cluster with FC LUNs. You have a requirement to identify and follow I/Os from
each VM on the shared FC LUN-backed datastores for troubleshooting purposes.
In this scenario, which VMware feature Is supported by ONTAP software to accomplish this task?

• A. vSphere Cluster Services (vCLS)
• B. Virtual machine ID (VMID)
• C. Storage I/O Control (SIOC)
• D. Network I/O Control (NIOC)

正解：A

質問 # 38
Your customer calls you because one application is not able to access a NetApp ONTAP S3 bucket. While
reviewing the EMS log on the cluster, you see the following message:

The same credentials work in another application.
In this scenario, what would cause this problem?

• A. The application is trying to log in as an anonymous user.
• B. The application is trying to access using the HTTP protocol.
• C. The application is using v4 signatures.
• D. The application is using v2 signatures.

正解：A

質問 # 39
Which two automation methods does NetApp ONTAP Select support? (Choose two.)

• A. Anslble
• B. Docker
• C. PHP
• D. REST

正解：A、D

解説：
= ONTAP Select supports REST and Ansible as automation methods. REST is the primary foundation for the automation technologies, and Ansible is a popular tool for automating ONTAP Select deployments using roles and playbooks. Reference = ONTAP Automation documentation, Automate ONTAP Select deployments with Ansible

質問 # 40

Referring to the exhibit, from which delay center is most of the latency for voll?

• A. NVRAM
• B. Data
• C. Disk
• D. Network

正解：D

質問 # 41
After a motherboard replacement on a NetApp AFF A300 in a SAN environment, the customer states that ports 0e and 0f are unable to connect to the fabric. The ports report "offline".
What would you examine first to troubleshoot the issue?

• A. storage port show command output
• B. system node hardware unified-connect show command output
• C. vserver fcp wwpn-alias show command output
• D. vserver fcp interface show command output

正解：B

解説：
Here is my reasoning:
The system node hardware unified-connect show command displays the status and configuration of the Unified Connect ports on a node1. This command can help you identify if the ports are configured correctly and if they have any errors or faults.
The ports 0e and 0f on the AFF A300 are 10GbE ports that support both Ethernet and Fibre Channel over Ethernet (FCoE) protocols2. These ports are part of the Unified Connect feature, which enables you to use the same physical port for different protocols without requiring additional hardware3.
If the ports are offline, it could indicate a problem with the port configuration, the cable connection, the switch configuration, or the protocol settings. The system node hardware unified-connect show command can help you troubleshoot these issues by showing you the port mode, speed, duplex, state, and error count1.
The other commands in the options are not as helpful for troubleshooting the port issue, because they show different information that is not related to the Unified Connect feature or the port status. For example:
The vserver fcp wwpn-alias show command displays the World Wide Port Name (WWPN) aliases for the Fibre Channel Protocol (FCP) logical interfaces (LIFs) on a Vserver4. This command can help you manage the FCP LIFs, but it does not show the status of the physical ports or the Unified Connect feature.
The storage port show command displays the status and configuration of the storage ports on a node5. This command can help you manage the storage ports, but it does not show the status of the Unified Connect ports or the FCoE protocol.
The vserver fcp interface show command displays the status and configuration of the FCP LIFs on a Vserver6. This command can help you manage the FCP LIFs, but it does not show the status of the physical ports or the Unified Connect feature.
Here are some references that might help you:
1: system node hardware unified-connect show - NetApp 2: AFF A300 system installation - NetApp 3: Unified Connect - NetApp 4: vserver fcp wwpn-alias show - NetApp 5: storage port show - NetApp 6: vserver fcp interface show - NetApp

質問 # 42
A customer reports that some of their client computers are unable to access a FlexGroup over CIFS. This
problem involves only their older Windows XP clients and some printers and scanners.
In this scenario, which statement Is correct?

• A. These systems use the SMQI protocol which Is an unsupported feature in FlexGroup
• B. FlexGroup requires CIFS shares to use the Continuously Available Feature, which these clients do not
  support.
• C. FlexGroup requires CIFS shares to be located in qtrees, which these clients do not support.
• D. These systems use Offloaded Data Transfer, which is an unsupported feature in FlexGroup.

正解：B

質問 # 43
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