RELIABLE NS0-093 PRACTICE EXAM LEARNING MATERIALS: NETAPP ACCREDITED HARDWARE SUPPORT ENGINEER - EXAMS-BOOST

Reliable NS0-093 Practice Exam Learning Materials: NetApp Accredited Hardware Support Engineer - Exams-boost

Reliable NS0-093 Practice Exam Learning Materials: NetApp Accredited Hardware Support Engineer - Exams-boost

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The NS0-093 Certification Exam is designed for hardware support engineers who work with NetApp storage systems on a daily basis. Candidates for this certification are typically employed by companies that use NetApp storage systems to support their critical business applications. NetApp Accredited Hardware Support Engineer certification is an important step for hardware support engineers who are looking to advance their careers and take on more challenging roles within their organizations.

Network Appliance NetApp Accredited Hardware Support Engineer Sample Questions (Q46-Q51):

NEW QUESTION # 46
You have created a case with NetApp Support for an issue with a DS4246 shelf on an ONTAP 9.12.1 system.
They have requested that you provide shelf logs.
What action do you need to take to collect the shelf logs?

  • A. Provide the output of the nodeshell command rdfile/etc/log/shelflog.
  • B. Invoke a diagnostic AutoSupport with the subsystem storage.
  • C. Invoke an autosupport of type all using Active IQ Unified Manager.
  • D. Invoke a diagnostic autosupport with the subsystem log_files.

Answer: B

Explanation:
To collect shelf logs for a DS4246 shelf in an ONTAP 9.12.1 system, you must invoke a diagnostic AutoSupport specifically targeting the storage subsystem. This action ensures that detailed storage logs, including shelf logs, are included in the AutoSupport bundle.
* Use the following command:
Steps to Collect Shelf Logs:bash
Copy code
system node autosupport invoke -node <node_name> -type diagnostic -subsystem storage Replace <node_name> with the name of the node experiencing the issue.
* This command generates an AutoSupport message that includes logs related to storage subsystems, such as disk shelves and adapters.
* Provide the AutoSupport case number to NetApp Support for further analysis.
* A. Provide the output of the nodeshell command rdfile /etc/log/shelflog:
* While this command allows manual reading of shelf logs, it is not a recommended or comprehensive approach for collecting logs for NetApp Support cases.
* B. Invoke an AutoSupport of type all using Active IQ Unified Manager:
* This action generates a generic AutoSupport bundle, which may not include detailed shelf logs unless explicitly targeted.
* D. Invoke a diagnostic AutoSupport with the subsystem log_files:
* The log_files subsystem targets general system logs, not storage-specific logs like shelf logs.
Why Other Options Are Incorrect:
* "ONTAP 9 AutoSupport and Diagnostics Guide" outlines the use of the subsystem storage option for collecting shelf logs.
* The "Troubleshooting Storage Subsystems" documentation specifies diagnostic AutoSupport as the method for gathering shelf-related logs.
References:


NEW QUESTION # 47
Where is a kernel core file stored on a FAS9000 system that is running ONTAP 9.12.1 software?

  • A. on the root aggregate
  • B. on the mailbox disk
  • C. on the partner root aggregate
  • D. on the boot device

Answer: A

Explanation:
On a FAS9000 system running ONTAP 9.12.1, the kernel core file is stored on the root aggregate. This is the default location where ONTAP writes kernel core files for system-level failures.
* The root aggregate is the aggregate that contains the root volume for a given node in the cluster. This aggregate is used for critical system files and logs, including kernel core files.
* When a kernel panic or other critical failure occurs, the core dump is written to the root aggregate for later analysis by NetApp Support.
Key Details:
* A. on the partner root aggregate: The partner root aggregate is not used for storing core files unless explicitly configured (which is not the default behavior).
* C. on the mailbox disk: The mailbox disk is used for cluster quorum and configuration information, not for storing core files.
* D. on the boot device: The boot device contains ONTAP software and boot files but does not store kernel core dumps.
* "ONTAP System Administration Guide" specifies that core files are stored on the root aggregate.
* NetApp's "Troubleshooting and Diagnostics Guide" confirms the default behavior for kernel core file storage.
Why Other Options Are Incorrect:References:


NEW QUESTION # 48
What are the two steps to unfail a disk in maintenance mode? (Choose two.)

  • A. Use the "disk unfair command.
  • B. Reseat the disk.
  • C. Remove it from the Failed Disk Registry.
  • D. Use the disk remove command.

Answer: A,C

Explanation:
Steps to Unfail a Disk in Maintenance Mode:
* When a disk is marked as "failed," it is added to the Failed Disk Registry and marked as unusable by the system. Unfailing a disk involves removing it from this registry and resetting its state.
Step 1: Remove the Disk from the Failed Disk Registry
* Use the command: registry remove <disk> to delete the disk from the Failed Disk Registry. This clears its "failed" status.
Step 2: Use the Disk Unfail Command
* Execute the disk unfail <disk> command to reset the disk status and make it available for use.
Key Notes:
* After unfailing, the disk will be treated as a spare and must be reassigned or re-added to an aggregate.
* If the disk remains failed after these steps, physical hardware issues may need to be addressed.
NetApp Reference Documentation:
* The "ONTAP Maintenance Mode Guide" and "Disk Management Guide" provide detailed instructions for handling failed disks and using the disk unfail command.


NEW QUESTION # 49
After a panic, the customer asks you to explain the error "watchdog timeout." Which explanation would be appropriate?

  • A. A service that monitors network activity and protects data.
    A watchdog induces system panic to protect data if malicious activity is detected.
  • B. An optional software that monitors system performance.
    An overloaded system fails to reset the watchdog and watchdog induces a system panic.
  • C. An optional component included with Active IQ Unified Manager.
    It notifies a user if watchdog fails to reach the storage system within a certain period.
  • D. A service that detects and recovers from computer malfunctions.
    A hardware or software error prevents update of watchdog and it induces a system panic.

Answer: D

Explanation:
What Is a Watchdog Timeout?
* The watchdog is a software or hardware mechanism that monitors the system's health and ensures it is operating correctly.
* If the system fails to respond or update the watchdog timer within the specified time, the watchdog triggers a system panic to avoid further corruption or damage.
Cause of Watchdog Timeout:
* This usually occurs due to:
* A hardware failure (e.g., CPU or memory issue).
* A software bug causing a system hang or crash.
* The panic ensures the system stops operation to preserve data integrity and aid in troubleshooting.
NetApp Reference Documentation:
* "ONTAP Troubleshooting Guide" and "Core Dump Analysis Guide" provide details on interpreting watchdog timeouts and recommended actions.


NEW QUESTION # 50
Which two of the following are field replaceable units (FRUs) on an AFF A220 system? (Choose two.)

  • A. NVMEM battery
  • B. chassis fan
  • C. NVME Flash Cache feature
  • D. mSATA boot device

Answer: A,D

Explanation:
* A. NVMEM battery
* Explanation:The NVMEM (Non-Volatile Memory) battery is a critical component for retaining data in case of a power failure. It is classified as a Field Replaceable Unit (FRU) in an AFF A220 system.
* Replacement Notes:
* Replacement can be performed by field engineers.
* The system will typically alert you when the battery requires replacement.
* B. mSATA boot device
* Explanation:The mSATA (mini-SATA) boot device contains the ONTAP operating system and is also a FRU in the AFF A220. It is critical for the system's boot process and can be replaced if it becomes faulty.
* Replacement Notes:
* Boot devices are easily replaceable while ensuring ONTAP is reinstalled on the new device.
Why the Other Options Are Incorrect:
* C. NVMe Flash Cache feature:
* Incorrect. NVMe Flash Cache is not a physical FRU but a feature for accelerating read performance. It is implemented via software and NVMe-based SSDs, which are not specifically field replaceable in AFF A220.
* D. Chassis fan:
* Incorrect. The AFF A220 does not classify chassis fans as FRUs. These are usually part of the cooling system, but their replacement may require system shutdown or is integrated into the design.
References:
* NetApp Hardware Documentation: AFF A220 Component Replacement Guide.
* NetApp Knowledge Base: Articles on replacing NVMEM batteries and mSATA boot devices.


NEW QUESTION # 51
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