Network Appliance NS0-093 preparation labs - Pass4sure NS0-093 exam cram
Network Appliance NS0-093 preparation labs - Pass4sure NS0-093 exam cram
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The web-based NetApp Accredited Hardware Support Engineer (NS0-093) practice exam is accessible from any major OS, including Mac OS X, Linux, Android, Windows, or iOS. These Network Appliance NS0-093 exam questions are browser-based, so there's no need to install anything on your computer. Chrome, IE, Firefox, and Opera all support this Network Appliance NS0-093 web-based practice exam. You can take this NetApp Accredited Hardware Support Engineer (NS0-093) practice exam without plugins and software installation.
The NS0-093 exam covers a broad range of topics, including NetApp hardware installation, configuration, and troubleshooting. NS0-093 exam assesses the candidate's knowledge of NetApp hardware products, including FAS, AFF, and E-series systems. NS0-093 exam also tests the candidate's knowledge of protocols such as CIFS, NFS, iSCSI, and FCoE, which are commonly used in the deployment of NetApp hardware systems. NS0-093 Exam also covers the installation and configuration of NetApp software, including ONTAP, System Manager, and SnapCenter.
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Network Appliance NetApp Accredited Hardware Support Engineer Sample Questions (Q30-Q35):
NEW QUESTION # 30
Which two tools can be used to recover an inconsistent aggregate? (Choose two.)
- A. file check
- B. wafl snapiron
- C. wafl_check
- D. wafliron
Answer: C,D
Explanation:
To recover an inconsistent aggregate, the following tools can be used:
* What it does:This tool is used to perform a consistency check on WAFL metadata. It identifies and attempts to fix WAFL inconsistencies in aggregates.
* When to use:Run wafl_check after identifying WAFL inconsistencies to repair minor metadata issues.
1. wafl_check
* What it does:This tool repairs WAFL inconsistencies by reconstructing metadata. It is more powerful than wafl_check and should only be run under NetApp Support guidance, as improper use can result in data loss.
* When to use:Use wafliron for severe WAFL inconsistencies that cannot be resolved by wafl_check.
2. wafliron
* A. file check:
* This is not a valid NetApp tool.
* C. wafl snapiron:
* While similar in name, snapiron is used for snapshot recovery, not aggregate recovery.
Why Other Options Are Incorrect:
* "ONTAP Aggregate Troubleshooting Guide" details the usage of wafl_check and wafliron.
* NetApp Support documentation provides guidelines for recovering inconsistent aggregates.
References:
NEW QUESTION # 31
In a SAS stack of shelves, what is the topology of the connection between expander and disk?
- A. loop
- B. ring
- C. arbritrated loop
- 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 # 32
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. Review the current firmware and known issues.
- C. Use diskcopy to copy the disk to a working spare.
- D. Sanitize the disk.
Answer: B
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 # 33
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. HA-RASTRACE.TGZ
- B. PCI-HIERARCHY.XML
- C. SSRAM-LOG
- D. ALL-COREDUMP.XML
Answer: A,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 # 34
What happens when the command diskcopy is run from nodeshell?
- A. It copies the disk content to a specified volume.
- B. It triggers a RAID reconstruction of that disk.
- C. It pre-fails a drive in an aggregate and copies it to a spare.
- D. It performs a low-level copy of the disk to another disk.
Answer: D
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
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