USEFUL NS0-093 REAL EXAM QUESTIONS - PASS NS0-093 EXAM

Useful NS0-093 Real Exam Questions - Pass NS0-093 Exam

Useful NS0-093 Real Exam Questions - Pass NS0-093 Exam

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Network Appliance NS0-093 (NetApp Accredited Hardware Support Engineer) Certification Exam is a comprehensive exam designed to assess the knowledge and skills of IT professionals in the installation, configuration, and support of NetApp hardware products. NetApp Accredited Hardware Support Engineer certification is ideal for hardware support engineers, system administrators, and IT professionals who are responsible for maintaining and troubleshooting NetApp storage systems.

To be eligible for the NS0-093 Exam, candidates must have a solid understanding of NetApp storage systems and related technologies. They should also have experience in hardware support and troubleshooting for storage systems. NS0-093 exam is ideal for individuals who are seeking to enhance their skills and knowledge in storage systems support and advance their career in the IT industry.

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Network Appliance NetApp Accredited Hardware Support Engineer Sample Questions (Q20-Q25):

NEW QUESTION # 20
Which two of the following methods are valid ways to access a node which is not booting? (Choose two.)

  • A. serial console
  • B. cluster management port
  • C. Service Processor
  • D. node management port

Answer: A,C

Explanation:
If a node is not booting, the following methods can be used to access the system for troubleshooting:
* What it does:The SP provides out-of-band management access to the node, even if the node is not booting.
* How to use:
* Connect to the SP using SSH or a direct console connection.
* Use SP commands to gather logs or perform diagnostics.
1. Service Processor (SP)
* What it does:The serial console provides direct access to the node's bootloader or maintenance mode.
* How to use:
* Connect to the serial port using a terminal emulator.
* Use console commands to interact with the system.
2. Serial Console
* A. node management port:
* The node management interface is only accessible if the node is booted and ONTAP is running.
* B. cluster management port:
* The cluster management interface requires the cluster to be operational, which is not possible if the node is not booting.
Why Other Options Are Incorrect:
* NetApp "Service Processor and Serial Console Guide" provides instructions for accessing a non- booting node.
References:


NEW QUESTION # 21
What are two options to remove Failure Byte on disks that are marked as failed? (Choose two.)

  • A. Power cycle the disk shelf.
  • B. Unfail the disk
  • C. Reseat the disk.
  • D. Update the disk firmware.

Answer: B,C

Explanation:
If a disk is marked as failed, the Failure Byte on the disk indicates that the disk has been flagged for failure.
This can be cleared using the following methods:
* What it does:Physically remove the disk from the shelf and reseat it. This action can trigger the system to re-evaluate the disk's status and clear the Failure Byte if the failure was transient or due to connection issues.
1. Reseat the Disk
* What it does:Using the disk unfail command in maintenance mode clears the Failure Byte and returns the disk to service.
* Command Example:
2. Unfail the Diskdisk unfail <disk_name>
* A. Power cycle the disk shelf:
* Power cycling the shelf may clear other transient hardware issues but does not specifically clear the Failure Byte.
* C. Update the disk firmware:
* While updating firmware can prevent future issues, it does not address disks already marked as failed.
Why Other Options Are Incorrect:
* NetApp "Disk Maintenance Guide" explains procedures to address failed disks.
* The "ONTAP Command Reference" covers the disk unfail command for clearing the Failure Byte.
References:


NEW QUESTION # 22
What is the recommended value for disk and CPU use when you plan an upgrade?

  • A. less than 50%
  • B. less than 90%
  • 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 # 23
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.)

  • A. rdfile /mroot/etc/log/SSRAM
  • B. event log show
  • C. pelog -a -g=2
  • D. show pci -v

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 # 24
What should be the first step taken after detecting a NetApp WAFL inconsistency?

  • A. Run wafliron.
  • B. Run a dump to null.
  • C. Stabilize the system.
  • D. Force offline the affected aggregate.

Answer: C

Explanation:
When a WAFL inconsistency is detected, the first step is to stabilize the system before attempting any repairs or recovery.
* Stabilize the System:
* Ensure that the system is not experiencing ongoing hardware or software issues.
* Avoid making changes to the affected aggregate or volume until the system is stable.
* Assess the Impact:
* Determine which aggregates or volumes are affected and the severity of the inconsistency.
Steps to Handle WAFL Inconsistency:
* A. Run wafliron:
* Running wafliron should only be done after stabilizing the system and under guidance from NetApp Support.
* C. Force offline the affected aggregate:
* Forcing an aggregate offline without proper assessment can lead to data loss.
* D. Run a dump to null:
* Dumping data is not relevant for resolving a WAFL inconsistency.
Why Other Options Are Incorrect:
* "NetApp WAFL Troubleshooting Guide" specifies that stabilization is the first step after detecting inconsistencies.
* NetApp Support documentation provides guidelines for handling WAFL inconsistencies safely.
References:


NEW QUESTION # 25
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