NS0-093 VCE TORRENT & NS0-093 EXAM DUMPS & NS0-093 STUDY MATERIALS

NS0-093 VCE Torrent & NS0-093 Exam Dumps & NS0-093 Study Materials

NS0-093 VCE Torrent & NS0-093 Exam Dumps & NS0-093 Study Materials

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Network Appliance NS0-093 certification exam is designed to test the knowledge and skills of hardware support engineers who work with NetApp storage systems. NetApp Accredited Hardware Support Engineer certification is awarded by NetApp, a leading provider of data storage solutions for businesses of all sizes. The NS0-093 exam is a critical step in becoming a NetApp Accredited Hardware Support Engineer, which is a highly sought-after credential in the IT industry.

Network Appliance NS0-093 Certification Exam is designed for individuals who want to demonstrate their skills and knowledge in supporting NetApp hardware products. NS0-093 exam is part of the NetApp Accredited Hardware Support Engineer certification program, which is intended for technical support engineers, field repair technicians, and other IT professionals who work with NetApp hardware.

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Network Appliance NS0-093 Certification provides a comprehensive understanding of NetApp storage systems, seeking to establish the competency of candidates as hardware support engineers. Achieving this certification demonstrates a proficiency in applying knowledge and skills to real-world scenarios, and establishes expertise in NetApp protocols and hardware components. NetApp Accredited Hardware Support Engineer certification is highly desirable for hardware support engineers and storage administrators, validating their knowledge and skills in NetApp storage systems.

Network Appliance NetApp Accredited Hardware Support Engineer Sample Questions (Q34-Q39):

NEW QUESTION # 34
What happens when the command diskcopy is run from nodeshell?

  • A. It copies the disk content to a specified volume.
  • B. It performs a low-level copy of the disk to another disk.
  • C. It triggers a RAID reconstruction of that disk.
  • D. It pre-fails a drive in an aggregate and copies it to a spare.

Answer: B

Explanation:
Purpose of the diskcopy Command:
* The diskcopy command is used in the ONTAP nodeshell environment to perform a low-level sector-by- sector copy of data from one disk to another. This is typically used during data recovery or diagnostics.
How It Works:
* The command copies all sectors from the source disk to the destination disk without any regard for file system or metadata structures.
* It is commonly used when replicating the exact state of a failing disk to a spare for further analysis or recovery.
Key Notes:
* The destination disk must be of the same or larger capacity than the source disk.
* The operation is typically disruptive and not suitable for production use.
NetApp Reference Documentation:
* Found in the "ONTAP Command Line Manual" for nodeshell utilities. The diskcopy process is highlighted as a low-level disk cloning operation.


NEW QUESTION # 35
Which of the following scenarios could result in a NetApp WAFL inconsistency in a RAID DP aggregate?

  • A. both party disks failing
  • B. two disks failing within seconds of each other
  • C. rebooting a node during a disk reconstruction
  • D. two disks failing and a block error during reconstruction

Answer: D

Explanation:
A NetApp WAFL (Write Anywhere File Layout) inconsistency in a RAID-DP aggregate could occur in the following scenarios:
* Why this causes inconsistency:
* RAID-DP is designed to handle up to two concurrent disk failures. However, if a block error occurs during the reconstruction process (e.g., unreadable data on the surviving disks), the RAID group cannot rebuild the lost data, leading to WAFL inconsistencies.
1. Two disks failing and a block error during reconstruction
* Why this causes inconsistency:
* If two disks in the same RAID group fail nearly simultaneously (before the RAID-DP can reconstruct data from the first failed disk), the system cannot recover the data, resulting in WAFL inconsistencies.
2. Two disks failing within seconds of each other
* B. rebooting a node during a disk reconstruction:
* Rebooting a node does not cause WAFL inconsistency because ONTAP ensures that RAID reconstructions resume upon reboot without data loss.
* D. both party disks failing:
* This is not a valid RAID-DP term.
Why Other Options Are Incorrect:
* "WAFL and RAID-DP Operations Guide" explains failure scenarios that could cause inconsistencies.
* NetApp's "Troubleshooting RAID Groups and Aggregates" covers recovery procedures for double-disk failures and reconstruction errors.
References:


NEW QUESTION # 36
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. Reinstall your boot media and install ONTAP 9.5 software.
  • B. Delete all Snapshot copies from the past two days.
  • C. Revert from ONTAP 9.7 software to ONTAP 9.6 software and then to ONTAP 9.5 software.
  • D. Wipe your config and restore from backup.

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 # 37
Your customer notices that their AFF A220 high-availability (HA) system is showing Single-Path HA.

How do you make the system into multipath HA?

  • A. 0c and 0d on both controllers should be connected.
  • B. 0a and 0c on both controllers should be connected.
  • C. 0a and 0d on both controllers should be connected
  • D. 0a and 0b on both controllers should be connected.

Answer: B

Explanation:
In a NetApp high-availability (HA) configuration, multipath HA ensures redundancy by providing two independent paths from each controller to the connected storage. If the system is currently showing Single- Path HA, it means only one path is operational or connected, which is a potential single point of failure.
To convert the configuration to multipath HA, additional cabling must be configured to establish the second path. For the AFF A220 system, the correct connections are as follows:
Explanation of the Correct answer:
* AFF A220 Port Configuration for HA:
* Each controller in an AFF A220 has ports labeled 0a, 0b, 0c, and 0d for connectivity.
* In a multipath HA configuration, each controller must have two independent paths to the connected storage via the partner controller's disk shelves.
* Correct Cabling for Multipath HA:
* Port 0a on both controllers must be connected to the corresponding port (e.g., disk shelf stack or Inter-Switch Link).
* Port 0c on both controllers must also be connected to complete the redundant path.
* These connections ensure that there are two independent data paths between the controllers and the storage system, providing fault tolerance in case one path fails.
* Single-Path HA to Multipath HA:
* If the system currently shows Single-Path HA, it is likely that only one set of ports (e.g., 0a and
0b) are cabled.
* Adding the additional connections on 0a and 0c establishes the second path required for multipath HA.
Why the Other Options Are Incorrect:
* A. 0a and 0b on both controllers should be connected:
* This option only connects ports 0a and 0b, which does not establish a multipath HA configuration. Port 0c is also required for redundancy.
* C. 0c and 0d on both controllers should be connected:
* Connecting only 0c and 0d would leave ports 0a disconnected, failing to establish a proper multipath HA setup. Both 0a and 0c are required.
* D. 0a and 0d on both controllers should be connected:
* Connecting 0a and 0d is not the standard configuration for multipath HA in an AFF A220 system. Port 0c is part of the required configuration.
How to Verify the Configuration:
* Use the following ONTAP command to verify the HA status:
cluster::> storage failover show -fields multipath-ha
* This will display whether the system is in multipath HA or single-path HA mode.
* Check the port connectivity:
cluster::> network port show -node <node_name>
References:
* NetApp Hardware Installation and Setup Guide for AFF A220.
* NetApp Knowledge Base: "Configuring Multipath HA for AFF Systems."
* ONTAP 9.x System Administration Guide: "High Availability Configurations." Understanding Single-Path HA vs. Multipath HA:
* Single-Path HA indicates that only one path exists between the controllers and the connected shelves, leading to limited redundancy.
* Multipath HA requires both controllers to have redundant SAS connections to the shelves.
Cabling for Multipath HA in AFF A220 Systems:
* To achieve multipath HA, you must connect 0c and 0d on both controllers to the appropriate stack ports on the shelves.
* This ensures dual paths for each controller to access the storage shelves.
NetApp Reference Documentation:
* Refer to the "ONTAP Multipath HA Configuration Guide" and the "NetApp Hardware Installation Guide" for AFF A220 systems for cabling diagrams and best practices.


NEW QUESTION # 38
What are two options to remove Failure Byte on disks that are marked as failed? (Choose two.)

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

Answer: C,D

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 # 39
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