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The NS0-093 certification exam covers a wide range of topics, including hardware installation and configuration, disk shelf and E-Series storage systems, FAS and AFF storage systems, and storage efficiency features. NS0-093 Exam also tests the candidate's knowledge of NetApp hardware architecture, troubleshooting methodology, and best practices for system maintenance.
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The NS0-093 Exam covers a range of topics related to NetApp storage systems, including hardware installation, configuration, and maintenance. NS0-093 exam also focuses on troubleshooting and problem-solving skills, which are essential for hardware support engineers who work with complex storage systems. Candidates who pass the exam demonstrate a deep understanding of NetApp storage systems and are well-equipped to provide expert support and maintenance to businesses that rely on these systems.
Network Appliance NetApp Accredited Hardware Support Engineer Sample Questions (Q38-Q43):
NEW QUESTION # 38
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?
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* Booting the backup image may result in an outdated version of ONTAP, not the desired version.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 # 39
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?
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 # 40
What are two valid commands that can be used to trigger an AutoSupport? (Choose two.)
Answer: A,B
Explanation:
To trigger an AutoSupport message in ONTAP, the following commands are valid:
* What it does:This command manually triggers a complete AutoSupport message of type "all." This includes logs and system information from all subsystems.
* How to use:
* Run the command: autosupport invoke -node <nodename> -type all
* Replace <nodename> with the name of the node for which you want to generate the AutoSupport message.
* Why it's relevant:This is the primary method for triggering a full AutoSupport message manually. It is commonly used during troubleshooting to provide comprehensive system data to NetApp Support.
1. ::> autosupport invoke -node <nodename> -type all
* What it does:This command is specifically used to upload core files (e.g., kernel or user space cores) from a node to NetApp Support for analysis.
* How to use:
* Run the command: autosupport invoke-core-upload -node <nodename>.
* Replace <nodename> with the name of the node for which you want to upload core files.
* Why it's relevant:If there is a system panic or other critical issue, this command ensures that core files are included in the AutoSupport message for detailed analysis.
2. ::> autosupport invoke-core-upload -node <nodename>
* A. ::> autosupport history show-upload-details -node <nodename>:
* This command displays the history of AutoSupport uploads but does not trigger a new AutoSupport.
* B. ::> system node coredump upload -node <nodename>:
* This command uploads coredumps directly to a support server but does not trigger an AutoSupport message.
Why Other Options Are Incorrect:
* "ONTAP 9 AutoSupport Configuration Guide" confirms autosupport invoke as a valid command to trigger AutoSupport messages.
* "ONTAP CLI Reference Manual" specifies autosupport invoke-core-upload for core file uploads.
References:
NEW QUESTION # 41
A node has panicked with a PCI/NMI error. Giveback has not been performed.
Which two commands should you run to collect the logs to determine the cause? (Choose two.)
Answer: A,C
Explanation:
To diagnose a PCI/NMI error and collect logs, use the following commands:
* What it does:This command collects PCI error logs, including detailed information about PCI devices and the errors that caused the panic.
* How to use:Run the command from the nodeshell to capture the required PCI log entries.
1. pelog -a -g=2
* What it does:This command reads the SSRAM log file, which contains low-level error information related to PCI and other hardware subsystems.
* How to use:Run the command to view the log entries directly for detailed troubleshooting.
2. rdfile /mroot/etc/log/SSRAM
* B. show pci -v:
* While this command displays PCI device information, it does not provide detailed error logs.
* D. event log show:
* This displays event log entries but does not contain the specific PCI or NMI-related logs required for diagnosing the panic.
Why Other Options Are Incorrect:
* "ONTAP Hardware Troubleshooting Guide" lists pelog and SSRAM as tools for analyzing PCI errors.
* "ONTAP Panic Analysis Guide" emphasizes the importance of collecting detailed hardware logs.
References:
NEW QUESTION # 42
Which two commands confirm whether an aggregate is WAFL inconsistent? (Choose two.)
Answer: B,D
Explanation:
To determine whether an aggregate is WAFL (Write Anywhere File Layout) inconsistent, the following two commands can be used:
* What it does:This command directly checks the WAFL consistency status of the specified aggregate. If an aggregate is WAFL inconsistent, it will report the inconsistency in the output.
* How to use:
* Run the command: wafiron show <aggregate> (replace <aggregate> with the name of the aggregate).
* Look for indications of WAFL inconsistency in the output.
* Why it's relevant:The wafiron utility is specifically designed to provide WAFL status and diagnostics.
It is the most accurate and direct way to confirm whether an aggregate is inconsistent.
* References:
* "WAFL Troubleshooting Guide" from NetApp highlights the wafiron show command as a primary tool for checking aggregate consistency.
1. wafiron show <aggregate>
* What it does:This command displays RAID information for all aggregates on the specified node. If an aggregate is WAFL inconsistent, it will be explicitly mentioned in the output.
* How to use:
* Run the command: node run -node <node> sysconfig -r.
* Check the output for the phrase "WAFL inconsistent" under the corresponding aggregate.
* Why it's relevant:This command provides additional context, such as the RAID group details, which can help understand whether the inconsistency is isolated or part of a larger issue.
* References:
* "ONTAP CLI Commands Guide" specifies sysconfig -r as a method to verify aggregate status, including WAFL consistency.
2. node run -node <node> sysconfig -r
* C. storage aggregate show:
* This command displays aggregate configuration and usage information but does not report WAFL inconsistency.
* D. node run -node <node> sysconfig -a:
* While this command shows detailed hardware configuration information, it does not include WAFL consistency status for aggregates.
Why Other Options Are Incorrect:
NEW QUESTION # 43
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