NS0-093 DEMO TEST, EXAM NS0-093 PRACTICE

NS0-093 Demo Test, Exam NS0-093 Practice

NS0-093 Demo Test, Exam NS0-093 Practice

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The NS0-093 exam is a vendor-specific certification exam offered by NetApp, a leading provider of data management solutions. NetApp Accredited Hardware Support Engineer certification is designed for professionals who have at least six months of experience in supporting NetApp hardware products. NS0-093 Exam consists of 60 multiple-choice questions and has a time limit of 1.5 hours. NS0-093 exam is available in English and Japanese languages.

Network Appliance NetApp Accredited Hardware Support Engineer Sample Questions (Q17-Q22):

NEW QUESTION # 17
A SAS connection is reporting a single PHY down.
What are the two most likely causes? (Choose two.)

  • A. defective cable
  • B. outdated I/O module (IOM1 firmware
  • C. an offline shelf in the stack
  • D. improperly seated cable

Answer: A,D

Explanation:
Understanding a Single PHY Down Issue:
* In SAS environments, a PHY represents a physical layer connection between devices.
* When a single PHY reports a "down" status, it typically indicates an issue with the physical connectivity or the associated hardware.
Cause 1: Improperly Seated Cable
* If the SAS cable is not properly seated in the port, the connection for one or more PHYs may fail.
* Reseating the cable on both ends (controller and shelf) often resolves the issue.
Cause 2: Defective Cable
* A damaged or faulty SAS cable can cause PHY errors.
* Replacing the cable and verifying the connection resolves the issue in this case.
Why Other Options Are Not Likely:
* B. Outdated IOM firmware: While outdated firmware can cause other issues, it rarely affects only a single PHY.
* D. Offline shelf: If an entire shelf is offline, more than one PHY would typically be affected, as multiple connections are involved in SAS stacks.
NetApp Reference Documentation:
* Found in the "ONTAP SAS Cabling Guide" and "Shelf Troubleshooting Guide". These documents detail troubleshooting for PHY errors and common SAS hardware issues.


NEW QUESTION # 18
During which two operations is the NVRAM replayed by the high-availability (HA) partner? (Choose two.)

  • A. during a negotiated takeover
  • B. when a node is halted
  • C. when the node loses power
  • D. after triggering a sync core

Answer: A,C

Explanation:
* Description:
* When a negotiated takeover occurs (e.g., for maintenance or upgrades), NVRAM data is replayed by the HA partner to ensure no data is lost.
* Relevance:
* This ensures that all pending writes are safely processed by the partner node.
1. During a Negotiated Takeover:
* Description:
* If a node loses power unexpectedly, the HA partner replays the mirrored NVRAM data to protect active write operations.
2. When the Node Loses Power:
* A. after triggering a sync core:
* Triggering a sync core does not involve NVRAM replay; it captures the system state for debugging.
* B. when a node is halted:
* Halting a node does not trigger NVRAM replay unless it is part of a negotiated takeover.
Why Other Options Are Incorrect:
* "ONTAP High Availability Guide" explains NVRAM mirroring and replay during failover scenarios.
References:


NEW QUESTION # 19
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 # 20
When you plan an ONTAP upgrade, which NetApp tool generates a detailed upgrade plan?

  • A. Upgrade Advisor
  • B. ONTAP System Manager
  • C. Active IQ Unified Manager
  • D. Active IQ Config Avisor

Answer: A

Explanation:
The Upgrade Advisor is a NetApp tool that generates a detailed, step-by-step plan for upgrading an ONTAP system. This tool is available through the Active IQ portal and helps ensure a smooth and risk-free upgrade process.
* Provides a tailored upgrade plan based on the current ONTAP version, cluster configuration, and desired target version.
* Identifies potential risks, compatibility issues, and pre-requisite tasks for the upgrade.
* Offers detailed instructions for each stage of the upgrade process.
Key Features of Upgrade Advisor:
* A. ONTAP System Manager:
* While System Manager can be used to initiate upgrades, it does not generate a detailed upgrade plan.
* B. Active IQ Unified Manager:
* Unified Manager focuses on monitoring and management but does not provide upgrade plans.
* D. Active IQ Config Advisor:
* Config Advisor checks for best practices and configuration issues but is not used for generating upgrade plans.
Why Other Options Are Incorrect:
* NetApp's "ONTAP Upgrade Guide" emphasizes the use of Upgrade Advisor for planning upgrades.
* Active IQ documentation provides detailed instructions on accessing and using the Upgrade Advisor tool.
References:


NEW QUESTION # 21
Which two commands confirm whether an aggregate is WAFL inconsistent? (Choose two.)

  • A. node run -node <node> sysconfig -a
  • B. node run -node <node> sysconfig -r
  • C. storage aggregate show
  • D. wafiron show <aggregate>

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 # 22
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