NS0-093 Actual Questions Answers PDF 100% Cover Real Exam Questions [Q12-Q37]

NS0-093 Actual Questions Answers PDF 100% Cover Real Exam Questions

NS0-093 Exam questions and answers

Network Appliance NS0-093 exam is a valuable certification for hardware support engineers who work with NetApp storage systems. By passing the exam, candidates can demonstrate their expertise in installing, configuring, and troubleshooting NetApp hardware, as well as their ability to optimize system performance and ensure high availability. With the right preparation and resources, candidates can achieve this certification and unlock new opportunities for professional growth and advancement.

 

NEW QUESTION # 12
Following an unexpected takeover, the taken-over node is waiting for giveback. The administrator plans to perform a giveback with the option -cfo-only true.
What happens if this option is used?

• A. Only the root aggregate is given back.
• B. Only SVM root volumes are sent back
• C. Only a simulation of the giveback is performed.
• D. Only the data aggregates are sent back.

Answer: D

Explanation:
Purpose of the -cfo-only true Option:
* This option is used during the giveback process in a NetApp cluster to control which aggregates are returned to the original node.
* By specifying -cfo-only true, only the data aggregates are given back to the original node, while the root aggregate remains with the takeover node.
Use Case:
* This command is helpful when you want to test the aggregate giveback functionality or if the root aggregate requires further investigation or maintenance before returning it to the original node.
NetApp Reference Documentation:
* The "ONTAP High-Availability Configuration Guide" and "Cluster Failover Management Guide" detail the behavior of the -cfo-only option during giveback scenarios.

NEW QUESTION # 13
You have upgraded your cluster from ONTAP 9.5 software to ONTAP 9.7 software. After two days, you notice that the upgrade is causing issues. You decide to revert to ONTAP 9.5 software.
Which two actions do you need to complete before you revert? (Choose two.)

• A. Wipe your config and restore from backup.
• B. Revert from ONTAP 9.7 software to ONTAP 9.6 software and then to ONTAP 9.5 software.
• C. Delete all Snapshot copies from the past two days.
• D. Reinstall your boot media and install ONTAP 9.5 software.

Answer: A,D

Explanation:
Reverting to a previous ONTAP version requires careful preparation because ONTAP upgrades often introduce irreversible changes. To successfully revert, the following actions are needed:
* C. Reinstall your boot media and install ONTAP 9.5 software
* Explanation:You need to reinstall the older version of ONTAP (9.5) on the boot media because the current version (9.7) has been installed as part of the upgrade. The reinstallation ensures that the system boots with ONTAP 9.5.
* Steps:
* Boot the node into maintenance mode.
* Perform the reinstallation using the appropriate ONTAP 9.5 image.
* D. Wipe your config and restore from backup
* Explanation:A revert requires wiping the configuration because ONTAP upgrades may have made changes to the cluster configuration or WAFL metadata. Restoring the configuration from a backup ensures consistency with the older ONTAP version.
* Steps:
* Back up the current cluster configuration before proceeding.
* Use the restored backup after the revert is complete to reconfigure the system.
Why the Other Options Are Incorrect:
* A. Revert from ONTAP 9.7 software to ONTAP 9.6 software and then to ONTAP 9.5 software:
* Incorrect. ONTAP reverts must directly target the desired version. You cannot perform multi-step reverts.
* B. Delete all Snapshot copies from the past two days:
* Incorrect. Deleting Snapshot copies is not a prerequisite for reverting ONTAP. While older Snapshot copies might not be compatible with the reverted version, they do not need to be deleted before the revert.
References:
* NetApp Documentation: ONTAP Upgrade and Revert Procedures.
* NetApp Knowledge Base: Steps for reinstallation and configuration restoration during a revert.

NEW QUESTION # 14
Which two statements are correct when describing L1 and L2 Watch Dog Resets (WDR)? (Choose two.)

• A. L2 WDR is initiated after 2 seconds from the event.
• B. L1 WDR is initiated after 0.5 seconds from the event.
• C. L1 WDR performs a soft reset.
• D. L2 WDR requests creation of a core dump before reset.

Answer: A,D

Explanation:
* Description:
* L1 WDR is a hardware-initiated reset that occurs when the system detects an unrecoverable error or lockup lasting 0.5 seconds.
* Key Characteristics:
* It performs a hard reset, meaning the system immediately reboots without creating a core dump.
1. L1 Watchdog Reset (WDR):
* Description:
* L2 WDR is initiated when the system fails to recover from a critical fault after 2 seconds.
* Key Characteristics:
* It requests a core dump to capture the system state for diagnostic purposes before performing a reset.
2. L2 Watchdog Reset (WDR):
* B. L1 WDR is initiated after 0.5 seconds from the event:
* This is incorrect because L1 WDR performs a hard reset and does not initiate after 2 seconds.
* C. L1 WDR performs a soft reset:
* This is incorrect because L1 WDR performs a hard reset, not a soft reset.
Why Other Options Are Incorrect:
* "ONTAP Panic Analysis Guide" describes the behavior and timing of L1 and L2 WDR events.
* NetApp Support documentation on system resets explains the differences between L1 and L2 watchdog resets.
References:

NEW QUESTION # 15
In a SAS stack of shelves, what is the topology of the connection between expander and disk?

• A. arbritrated loop
• B. loop
• C. ring
• D. point-to-point

Answer: D

Explanation:
In a SAS stack of shelves, the connection between the expander and the disk uses a point-to-point topology.
* Point-to-Point:
* Each SAS disk in a shelf connects directly to the expander using a dedicated channel. This ensures that communication between the disk and expander is independent of other disks, improving performance and reliability.
* Why SAS Uses Point-to-Point:
* SAS (Serial Attached SCSI) eliminates the shared bandwidth limitations of traditional bus architectures (e.g., arbitrated loop or ring) by dedicating a connection to each device.
Key Details:
* A. arbitrated loop:
* Arbitrated loop is a topology used in Fibre Channel systems, not SAS.
* C. loop:
* SAS does not use loop-based communication; this is typical of older technologies like SCSI Parallel Interface (SPI).
* D. ring:
* Ring topology is not used in SAS stacks.
Why Other Options Are Incorrect:
* "NetApp SAS Shelf and Disk Configuration Guide" specifies point-to-point communication between expanders and disks in SAS environments.
References:

NEW QUESTION # 16
When you add a new disk to an ONTAP 9.1 system, you see an error that the disk "has raid label with version (16), which is not within the currently supported range (14-15)." What is one possible cause of this error?

• A. The disk was in a system with a newer version of ONTAP software
• B. The disk firmware is too new for ONTAP software.
• C. The disk is a non-zeroed spare.
• D. The disk needs to be assigned to the new system.

Answer: A

Explanation:
Explanation of RAID Label Versions:
* Disks in ONTAP systems contain metadata known as RAID labels. These labels store critical information such as ownership, aggregate membership, and versioning.
* The error indicates a mismatch between the RAID label version on the disk and the supported versions of the ONTAP system.
Why Option D Is Correct:
* If a disk has a RAID label created by a newer version of ONTAP (e.g., version 16) and is then inserted into a system running an older version of ONTAP (e.g., supporting versions 14-15), the label will not be recognized.
* This mismatch causes ONTAP to reject the disk.
Resolution:
* Upgrade the ONTAP version to match the RAID label on the disk.
* Alternatively, zero the disk to reset its RAID label, but this will erase all data on the disk.
NetApp Reference Documentation:
* The "ONTAP Disk Management Guide" and "ONTAP Compatibility Matrix" explain RAID label versions and compatibility issues when moving disks between ONTAP systems.

NEW QUESTION # 17
During an ONTAP upgrade, nodeA1 fails to boot. You notice that it is loading the previous version of ONTAP software. What step can be taken to boot the node successfully?

• A. From the loader prompt of nodeA1, run boot_backup to run the correct version of ONTAP software.
• B. From the clustershell of the partner, run system node image modify to point to the correct version of ONTAP software.
• C. From the clustershell of nodeA1, run system node image modify to point to the correct version of ONTAP software.
• D. From the loader prompt of nodeA1, use setenv GX_PRIMARY_KERNEL_URL to point to the correct version of ONTAP software.

Answer: D

Explanation:
When a node fails to boot and loads the previous version of ONTAP, it usually indicates that the primary boot location is incorrect. To resolve this:
* Enter the LOADER Prompt:
* Interrupt the boot process to access the LOADER prompt.
* Set the Primary Kernel URL:
* Use the following command:
Steps to Boot the Correct ONTAP Version:setenv GX_PRIMARY_KERNEL_URL
<URL_to_correct_ONTAP_version>
* Boot the Node:
* Run the boot command to load the correct version.
* B. From the loader prompt of nodeA1, run boot_backup:
* Booting the backup image may result in an outdated version of ONTAP, not the desired version.
* C. From the clustershell of the partner, run system node image modify:
* Modifications to the ONTAP image must be done from the LOADER prompt, not the clustershell.
* D. From the clustershell of nodeA1, run system node image modify:
* NodeA1 cannot load ONTAP, so this command cannot be run.
Why Other Options Are Incorrect:
* "ONTAP System Boot Guide" explains how to resolve boot issues using the LOADER prompt.
* NetApp documentation on environment variables includes the use of GX_PRIMARY_KERNEL_URL.
References:

NEW QUESTION # 18
In which two sections of AutoSupport can you find information to analyze the following panic? (Choose two.) Panic_Message: PCI Error NMI from device(s):ErrSrcID(CorrSrc(0xf00),UCorrSrc(0x18)), RPT(0,3,0):
Qlogic FC 16G adapter in slot 1 on Controller

• A. PCI-HIERARCHY.XML
• B. SSRAM-LOG
• C. HA-RASTRACE.TGZ
• D. ALL-COREDUMP.XML

Answer: B,C

Explanation:
To analyze the provided panic error, the two sections of AutoSupport that are essential for investigation are:
* What it is:HA-RASTRACE.TGZ contains HA (High Availability) system trace logs. It records hardware diagnostics, error traces, and the HA system's response to hardware events. These logs are critical when analyzing hardware-related panics, including those caused by PCI errors.
* Why it's relevant to the panic:In the given panic message, the NMI (Non-Maskable Interrupt) error originates from a Qlogic FC 16G adapter. HA-RASTRACE.TGZ will provide detailed diagnostics, including the error reporting from the HA interconnect and other hardware diagnostics. Specifically, it may include information about how the system detected the PCI fault and any actions taken to protect the system state.
* How to analyze:
* Extract the HA-RASTRACE.TGZ file from the AutoSupport bundle.
* Review hardware-related trace messages for entries associated with the PCI bus or the Qlogic FC adapter.
* Look for specific error codes or keywords like PCI Error, NMI, or Qlogic.
* References:
* NetApp's "AutoSupport Logs and Diagnostics Guide" highlights HA-RASTRACE.TGZ as a primary resource for debugging hardware faults.
* The "Panic Troubleshooting Guide" for ONTAP systems specifies HA-RASTRACE as a key source for identifying NMI-related errors.
1. HA-RASTRACE.TGZ
* What it is:SSRAM-LOG records low-level hardware error details, including PCI device register states and uncorrectable memory errors. It is particularly useful for analyzing errors originating in peripheral hardware like network or storage adapters connected via PCI.
* Why it's relevant to the panic:The panic message explicitly references a PCI Error NMI caused by a Qlogic FC adapter. SSRAM-LOG captures detailed state information for PCI devices, which can help identify whether the fault originated in the adapter hardware, the PCI bus, or another related component.
* How to analyze:
* Extract the SSRAM-LOG from the AutoSupport bundle.
* Search for PCI-related errors, including the specific error source IDs (e.g., ErrSrcID(CorrSrc (0xf00),UCorrSrc(0x18))).
* Review the log entries to confirm the root cause of the NMI.
* References:
* The "Hardware Diagnostics and Troubleshooting Guide for ONTAP" lists SSRAM-LOG as a key file for debugging PCI errors.
* NetApp's documentation on PCI diagnostics emphasizes the use of SSRAM-LOG for validating hardware-level faults.
2. SSRAM-LOG

NEW QUESTION # 19
A node has failed.
Which two conditions must be met for an automatic takeover to be triggered? (Choose two.)

• A. NVRAM must be synchronized.
• B. The combined utilization of both nodes must be less than 100%.
• C. Mailbox disks must be reachable.
• D. The cluster network must be available.

Answer: A,C

Explanation:
For an automatic takeover to occur in an HA pair, the following conditions must be met:
* The HA pair uses mailbox disks to coordinate and ensure that both nodes have consistent cluster state information.
* If the mailbox disks are not reachable, the takeover process cannot proceed.
1. Mailbox Disks Must Be Reachable:
* The nodes in an HA pair continuously mirror NVRAM data to ensure that writes are protected.
* If NVRAM is not synchronized, the takeover cannot safely handle active workloads.
2. NVRAM Must Be Synchronized:
* A. The combined utilization of both nodes must be less than 100%:
* This is not a requirement for automatic takeover. ONTAP can handle higher utilization during failover scenarios.
* B. The cluster network must be available:
* While the cluster network is critical for normal operation, takeover can still occur if the cluster network is unavailable, as long as the HA interconnect is operational.
Why Other Options Are Incorrect:
* NetApp "ONTAP High Availability Guide" outlines the requirements for automatic takeover in HA pairs.
* "ONTAP NVRAM Synchronization and Failover Guide" explains NVRAM mirroring requirements.
References:

NEW QUESTION # 20
Which two scenarios are common causes of the root volume needing root volume recovery? (Choose two.)

• A. The cluster configuration is out of sync on the volume.
• B. The mainboard was replaced following a Non-Maskable Interrupt (NMI) panic.
• C. The root volume ran out of space.
• D. Root volume migrate was performed.

Answer: B,C

Explanation:
* If the root volume runs out of space, it can cause operational issues and require recovery.
* The root volume must always have sufficient space for system logs, configuration files, and core dumps.
1. Root Volume Ran Out of Space:
* When a mainboard is replaced, the system configuration stored in the root volume may need to be restored or recovered.
2. Mainboard Was Replaced Following an NMI Panic:
* C. Root volume migrate was performed:
* Root volume migration is a normal operation and does not typically cause the need for root volume recovery.
* D. The cluster configuration is out of sync on the volume:
* While this can cause configuration issues, it does not directly lead to root volume recovery.
Why Other Options Are Incorrect:
* "ONTAP Root Volume Management Guide" explains scenarios leading to root volume issues and recovery procedures.
References:

NEW QUESTION # 21
What is the recommended value for disk and CPU use when you plan an upgrade?

• A. less than 90%
• B. less than 50%
• C. less than 70%
• D. less than 85%

Answer: C

Explanation:
Upgrade Considerations for Disk and CPU Utilization:
* During an ONTAP upgrade, it is critical to ensure the system has sufficient resources to handle the upgrade process without impacting normal operations.
Recommended Threshold:
* NetApp recommends that both disk and CPU utilization should be below 70% before initiating an upgrade. This ensures that there is enough headroom for the upgrade operations and avoids performance degradation.
Steps to Verify Utilization:
* Use the system node show -fields cpu command to check CPU usage.
* Use the storage aggregate show -fields used command to check aggregate disk utilization.
NetApp Reference Documentation:
* "ONTAP Upgrade and Maintenance Guide" specifies the 70% threshold for disk and CPU usage during upgrade planning.
* The "ONTAP Performance Management Guide" provides methods for monitoring system resource utilization.

NEW QUESTION # 22
Which two ONTAP systems support both SSD and SAS disks? (Choose two.)

• A. FAS2750
• B. AFF C190
• C. AFF A220
• D. FAS8200

Answer: A,D

Explanation:
The following ONTAP systems support both SSD and SAS disks:
* Description:
* The FAS2750 is part of NetApp's hybrid storage array product line.
* It supports both SSDs for performance tiers and SAS disks for capacity tiers, making it suitable for mixed workloads.
1. FAS2750
* Description:
* The FAS8200 is an enterprise-level storage system that also supports hybrid configurations with both SSD and SAS drives.
* This system is designed to handle high performance and capacity needs.
2. FAS8200
* A. AFF C190:
* The AFF C190 is an all-flash system and only supports SSDs. It does not support SAS disks.
* C. AFF A220:
* Like the AFF C190, the AFF A220 is also an all-flash system that supports SSDs only.
Why Other Options Are Incorrect:
* NetApp "Hardware Universe" confirms drive support for FAS and AFF systems.
* NetApp product documentation details supported disk types for hybrid and all-flash systems.
References:

NEW QUESTION # 23
You are replacing a boot device on a FAS8300 system that is running ONTAP 9.10P6 software. You attach a USB memory stick to the external USB port on the storage controller but cannot access the memory stick.
What step needs to be performed to access the boot device?

• A. Add the boot device before the BIOS is loaded.
• B. You need to use ONTAP 9.11 or later software.
• C. The external USB port is not activated on NetApp systems.
• D. Set the port to "enabled" with setenv.

Answer: D

Explanation:
When replacing a boot device on a FAS8300 system and using a USB memory stick for recovery or installation, the external USB port must be explicitly enabled. This is done through the setenv command in the boot environment.
* Reboot the system and interrupt the boot process to access the bootloader prompt.
* At the bootloader prompt, use the following command:
Steps to Enable the External USB Port:arduino
Copy code
setenv usbport_enabled true
* Save the configuration and proceed with the boot process.
* B. You need to use ONTAP 9.11 or later software:
* ONTAP 9.10P6 fully supports external USB recovery. There is no need to upgrade to ONTAP
9.11 for this functionality.
* C. Add the boot device before the BIOS is loaded:
* While the USB device must be inserted during the boot process, this alone will not enable access unless the port is enabled via setenv.
* D. The external USB port is not activated on NetApp systems:
* This is incorrect. The external USB port is supported but must be explicitly enabled in the bootloader environment.
Why Other Options Are Incorrect:
* NetApp Hardware Installation Guide for FAS8300 systems outlines the steps for enabling the USB port during recovery.
* "ONTAP Boot Troubleshooting Guide" specifies the use of the setenv command to activate USB ports.
References:

NEW QUESTION # 24
During which two operations is the NVRAM replayed by the high-availability (HA) partner? (Choose two.)

• A. after triggering a sync core
• B. during a negotiated takeover
• C. when a node is halted
• D. when the node loses power

Answer: B,D

Explanation:
* Description:
* When a negotiated takeover occurs (e.g., for maintenance or upgrades), NVRAM data is replayed by the HA partner to ensure no data is lost.
* Relevance:
* This ensures that all pending writes are safely processed by the partner node.
1. During a Negotiated Takeover:
* Description:
* If a node loses power unexpectedly, the HA partner replays the mirrored NVRAM data to protect active write operations.
2. When the Node Loses Power:
* A. after triggering a sync core:
* Triggering a sync core does not involve NVRAM replay; it captures the system state for debugging.
* B. when a node is halted:
* Halting a node does not trigger NVRAM replay unless it is part of a negotiated takeover.
Why Other Options Are Incorrect:
* "ONTAP High Availability Guide" explains NVRAM mirroring and replay during failover scenarios.
References:

NEW QUESTION # 25
Which two factors can increase the chances of experiencing a NetApp WAFL inconsistency on an aggregate?
(Choose two.)

• A. ignoring NetApp Active IQ health risks
• B. constantly running at high load
• C. using outdated disk firmware
• D. upgrading frequently

Answer: A,C

Explanation:
* A. Ignoring NetApp Active IQ health risks
* Explanation:NetApp Active IQ provides proactive monitoring and alerts for system health risks, including risks related to WAFL inconsistencies. Ignoring these alerts can lead to unresolved issues such as metadata corruption, hardware failures, or system misconfigurations, increasing the chances of WAFL inconsistencies.
* Examples of Active IQ Risks:
* Disk health warnings.
* High write latency or metadata bottlenecks.
* Aggregates running out of space.
* C. Using outdated disk firmware
* Explanation:Outdated disk firmware can cause performance issues, drive failures, or incorrect handling of I/O operations, potentially leading to WAFL inconsistencies. Disk firmware updates often include fixes for critical issues that improve reliability and prevent data corruption.
* Importance:Keeping firmware updated ensures compatibility with ONTAP and minimizes risks of disk-level errors that can propagate to WAFL.
Why the Other Options Are Incorrect:
* B. Constantly running at high load:
* Running at high load can impact performance but does not directly cause WAFL inconsistencies.
WAFL is designed to handle high I/O loads efficiently.
* D. Upgrading frequently:
* Frequent upgrades, when performed correctly, do not increase the chances of WAFL inconsistencies. However, improperly executed upgrades or skipping recommended steps might introduce risks.
References:
* NetApp Knowledge Base: Articles on Active IQ health checks and disk firmware management.
* ONTAP System Administration Guide: Recommendations for preventing WAFL inconsistencies.

NEW QUESTION # 26
When you plan an ONTAP upgrade, which NetApp tool generates a detailed upgrade plan?

• A. Active IQ Unified Manager
• B. Upgrade Advisor
• C. Active IQ Config Avisor
• D. ONTAP System Manager

Answer: B

Explanation:
The Upgrade Advisor is a NetApp tool that generates a detailed, step-by-step plan for upgrading an ONTAP system. This tool is available through the Active IQ portal and helps ensure a smooth and risk-free upgrade process.
* Provides a tailored upgrade plan based on the current ONTAP version, cluster configuration, and desired target version.
* Identifies potential risks, compatibility issues, and pre-requisite tasks for the upgrade.
* Offers detailed instructions for each stage of the upgrade process.
Key Features of Upgrade Advisor:
* A. ONTAP System Manager:
* While System Manager can be used to initiate upgrades, it does not generate a detailed upgrade plan.
* B. Active IQ Unified Manager:
* Unified Manager focuses on monitoring and management but does not provide upgrade plans.
* D. Active IQ Config Advisor:
* Config Advisor checks for best practices and configuration issues but is not used for generating upgrade plans.
Why Other Options Are Incorrect:
* NetApp's "ONTAP Upgrade Guide" emphasizes the use of Upgrade Advisor for planning upgrades.
* Active IQ documentation provides detailed instructions on accessing and using the Upgrade Advisor tool.
References:

NEW QUESTION # 27
Which two steps are required to replace a drawer in a DS460c shelf? (Choose two.)

• A. Evacuate all drives in the drawer.
• B. Power off the shelf.
• C. Shut down both nodes.
• D. Disconnect the cable chains from the chassis.

Answer: A,D

NEW QUESTION # 28
Which type of core file is generated when a node panics?

• A. sync core
• B. mgwd core
• C. kernel core
• D. user space core

Answer: C

Explanation:
When a node panics in ONTAP, a kernel core file is generated. This core file contains information about the kernel's state at the time of the panic and is essential for debugging system crashes.
* A kernel core file is produced during a node panic to capture information about the kernel, memory, and processes that led to the crash.
* The core file is stored on the root aggregate by default and can be uploaded to NetApp Support using the autosupport invoke-core-upload command.
Key Details:
* A. mgwd core:
* This is related to the Management Gateway daemon, which handles management traffic. It does not generate a core file during a panic.
* B. user space core:
* User space cores are generated for processes running in user space, not for kernel panics.
* C. sync core:
* Sync cores refer to synchronized cores for debugging but are not the primary type generated during a node panic.
Why Other Options Are Incorrect:
* "ONTAP Panic Troubleshooting Guide" specifies kernel core files as the output of a node panic.
* "ONTAP Core File Management Guide" details the handling of kernel core files after a crash.
References:

NEW QUESTION # 29
You are using wafliron on an aggregate named homedir on a production system.
When is the data on homedir available?

• A. when wafliron is started
• B. after Phase 4 of wafliron is complete
• C. after the mounting phase of wafliron is complete
• D. when the administrator manually onlines the aggregate

Answer: B

Explanation:
When using wafliron to repair WAFL inconsistencies on an aggregate, the aggregate becomes available after Phase 4 of the wafliron process is complete.
* Phase 1: Initial scan to identify inconsistencies.
* Phase 2: Corrects directory and inode structure issues.
* Phase 3: Repairs blocks and metadata.
* Phase 4: Completes final repairs and verification, after which the aggregate can be made available.
Phases of wafliron:
* A. when the administrator manually onlines the aggregate:
* The aggregate cannot be manually brought online until wafliron completes Phase 4.
* B. when wafliron is started:
* Starting wafliron does not make the aggregate available; repairs need to be completed first.
* D. after the mounting phase of wafliron is complete:
* WAFLiron does not have a specific "mounting phase." Mounting happens after Phase 4 completes.
Why Other Options Are Incorrect:
* "NetApp WAFLiron Troubleshooting Guide" explains the availability of the aggregate after Phase 4.
* NetApp Support documentation outlines the phases of wafliron and aggregate recovery.
References:

NEW QUESTION # 30
In maintenance mode, which of the following commands shows disk ownership?

• A. aggr status
• B. disk show -v
• C. sysconfig -v
• D. storage show disk -p

Answer: B

Explanation:
In maintenance mode, the command disk show -v provides detailed information about disk ownership. This includes the current owner, previous owner, and disk health status.
* Enter maintenance mode, and run:
How to Use:disk show -v
* The output will display ownership information for each disk, including its RAID group and current assignment.
* A. sysconfig -v:
* This command provides system configuration details but does not show disk ownership.
* C. aggr status:
* This command shows the status of aggregates, not individual disks or their ownership.
* D. storage show disk -p:
* This command is not valid in maintenance mode.
Why Other Options Are Incorrect:
* NetApp "Maintenance Mode Commands Guide" highlights disk show -v as the command to check disk ownership.
References:

NEW QUESTION # 31
While performing a health check on a cluster, you notice the following entries in the cluster event log:

Referring to the exhibit, which of the following actions do you take?

• A. Reseat the disk.
• B. Use diskcopy to copy the disk to a working spare.
• C. Review the current firmware and known issues.
• D. Sanitize the disk.

Answer: C

Explanation:
Analyzing the Error in the Event Log:
* The log entry indicates a medium error on a disk, suggesting an unrecoverable read issue.
* While the RAID subsystem attempts to reconstruct unreadable data, this error might indicate a firmware issue or a compatibility problem with the disk.
Why Reviewing Firmware and Known Issues Is Important:
* Medium errors can sometimes result from outdated or incompatible firmware.
* By reviewing firmware release notes and known issues for the disk model (NETAPP X381_HLBRE10TSDB in this case), you can identify if this is a known issue and resolve it by updating the firmware.
Other Options:
* Sanitize the disk (Option A): Not relevant here, as sanitization is used for secure data erasure.
* Reseat the disk (Option B): Useful for addressing hardware seating issues, but not the first step here.
* Diskcopy to a spare (Option D): This is a last-resort recovery step and not the primary action.
NetApp Reference Documentation:
* "ONTAP Disk Management Guide" and "Disk Firmware Release Notes" detail how to handle medium errors and update firmware.

NEW QUESTION # 32
Which statement best describes the functionality of RAID Error Propagation (REP)?

• A. A recoverable error on a user data block triggers a NetApp WAFL inconsistency.
• B. An unrecoverable error on a metadata block does not trigger a NetApp WAFL inconsistency.
• C. An unrecoverable error on a user data block does not trigger a NetApp WAFL inconsistency.
• D. An unrecoverable error on a user data block triggers a NetApp WAFL inconsistency.

Answer: C

Explanation:
Functionality of RAID Error Propagation (REP):
* RAID Error Propagation (REP) ensures that errors on the disk layer, such as unrecoverable read errors, do not propagate as inconsistencies into the WAFL (Write Anywhere File Layout) metadata layer.
* WAFL is designed to manage data blocks, and if an error occurs on a user data block, WAFL can identify and handle it gracefully without flagging an inconsistency.
Why Option A Is Correct:
* REP ensures that errors on a user data block are isolated and do not trigger WAFL inconsistencies.
Instead, the error is handled at the RAID layer or higher without corrupting metadata.
* This design provides a robust mechanism to protect against data integrity issues caused by disk errors.
NetApp Reference Documentation:
* Refer to the "ONTAP Storage Management Guide" and the "NetApp RAID Guide," which explain how RAID and WAFL interoperate and how REP is implemented.

NEW QUESTION # 33
Which two NetApp tools should be used when troubleshooting the root cause of an unexpected controller reboot? (Choose two.)

• A. Active IQ Digital Advisor
• B. Active IQ Config Advisor
• C. ONTAP CLI
• D. ONTAP Mediator
• E. Active IQ Unified Manager

Answer: C,E

Explanation:
To troubleshoot the root cause of an unexpected controller reboot, the following tools are commonly used:
* What it does:Provides monitoring and performance data for the ONTAP cluster, including historical event logs that may help identify the root cause of a reboot.
1. Active IQ Unified Manager
* What it does:The CLI allows you to gather logs and status information directly from the affected node.
Commands like event log show and system core are essential for identifying the reason behind the reboot.
2. ONTAP CLI
* B. Active IQ Digital Advisor:
* This tool focuses on predictive analytics and proactive recommendations, not troubleshooting unexpected reboots.
* D. ONTAP Mediator:
* This tool is used for managing MetroCluster configurations, not for troubleshooting reboots.
* E. Active IQ Config Advisor:
* This tool checks for configuration best practices but does not provide detailed logs or reboot diagnostics.
Why Other Options Are Incorrect:
* NetApp "ONTAP System Management Guide" emphasizes the use of Unified Manager and CLI for troubleshooting system issues.
References:

NEW QUESTION # 34
Which two statements are true about an IOM 12 module? (Choose two.)

• A. It has an Ethernet port for alternate control path (ACP).
• B. It does not have an Ethernet port for alternate control path (ACP).
• C. It has four SAS ports.
• D. It has two SAS ports.

Answer: A,C

Explanation:
Overview of IOM 12 Module:
* The IOM 12 module is used in NetApp storage shelves for SAS connectivity.
Key Features of IOM 12:
* SAS Ports: The IOM 12 module has four SAS ports (two IN and two OUT) to support daisy-chaining of shelves and provide redundancy.
* ACP (Alternate Control Path): The IOM 12 includes an Ethernet port for ACP, which is used for out- of-band management and monitoring of the storage shelves.
Elimination of Other Options:
* Option A is incorrect because the module has four SAS ports, not two.
* Option C is incorrect because the module does include an Ethernet port for ACP.
NetApp Reference Documentation:
* "NetApp Hardware Universe" lists the specifications of the IOM 12 module, including its SAS and ACP capabilities.
* The "ONTAP Shelf Installation Guide" discusses ACP and its role in shelf management.

NEW QUESTION # 35
Which two statements regarding drive 1.2.3.L1 are true? (Choose two.)

• A. The drive is in shelf 1.
• B. The drive is in bay 3.
• C. The drive is in bay 2.
• D. The drive is in shelf 2.

Answer: B,D

Explanation:
The identifier 1.2.3.L1 follows the NetApp disk naming convention, which specifies the location of the drive in the system. Here is the breakdown of the identifier:
* 1: This indicates the stack ID or loop ID. It represents the stack number in the disk shelf configuration.
* 2: This indicates the shelf ID. In this case, the drive is located in shelf 2.
* 3: This indicates the bay ID or slot number within the shelf. The drive is in bay 3.
* L1: This represents the logical port or logical disk identifier.
* The shelf ID is 2, so the drive is in shelf 2 (A is correct).
* The bay ID is 3, so the drive is in bay 3 (B is correct).
* C. The drive is in bay 2: The bay ID is explicitly specified as 3, not 2.
* D. The drive is in shelf 1: The shelf ID is clearly given as 2, not 1.
* NetApp Hardware Universe documentation provides details on disk naming conventions.
* The "ONTAP Disk Management Guide" includes a full explanation of disk IDs and their interpretation.
How to Interpret Disk Identifier 1.2.3.L1:Why Other Options Are Incorrect:References:

NEW QUESTION # 36
On a NetApp FAS9000 system, which two field replaceable units (FRUs) are supported for replacement without takeover? (Choose two.)

• A. DCPM module
• B. NVRAM module
• C. caching module
• D. I/O module

Answer: B,D

Explanation:
FRUs on FAS9000 Supporting Replacement Without Takeover:
* A (I/O Module): I/O modules can be replaced hot (without takeover) to maintain system uptime during hardware servicing.
* D (NVRAM Module): NVRAM modules on FAS9000 can also be replaced without a node takeover, ensuring data integrity during replacement.
Why Other Options Are Incorrect:
* B (DCPM Module): The DCPM (Data Center Power Management) module is not hot-swappable and requires a node takeover.
* C (Caching Module): The caching module is integrated and typically requires a node takeover or power-down for replacement.
NetApp Reference Documentation:
* Refer to the "NetApp FAS9000 Hardware Service Guide" for supported FRU replacement procedures and operational constraints.

NEW QUESTION # 37
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