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>> FlashArray-Implementation-Specialist的中率 <<
IT業界の発展するとともに、FlashArray-Implementation-Specialist認定試験に参加したい人が大きくなっています。でも、どのようにFlashArray-Implementation-Specialist認定試験に合格しますか?もちろん、FlashArray-Implementation-Specialist問題集を選ぶべきです。選ぶ理由はなんですか?お客様にFlashArray-Implementation-Specialist認定試験資料を提供してあげ、勉強時間は短くても、合格できることを保証いたします。不合格になる場合は、全額返金することを保証いたします。また、FlashArray-Implementation-Specialist認定試験内容が変えば、早速お客様にお知らせします。そして、もしFlashArray-Implementation-Specialist問題集の更新版があれば、お客様にお送りいたします。
質問 # 193
What is the rack unit height of a FlashArray//XL?
正解:B
解説:
The FlashArray//XL features a 5 Rack Unit (5U) chassis height.
This form factor represents a significant change from the standard FlashArray//X and //C series, which utilize a 3U chassis. The increase to 5U is engineered to support the massive performance and density requirements of the //XL platform.
Key Design Features: The 5U height accommodates:
Dual Controllers: Larger, high-performance controllers with increased airflow requirements.
40 DirectFlash Module Slots: Double the drive density of the 3U chassis (which holds 20), allowing for petabytes of effective capacity in the base unit.
4 Power Supplies: A 2+2 redundant power architecture.
9 PCIe Slots: Extensive I/O expansion for host and backend connectivity.
Airflow: Dedicated fan modules and thermal ducting to cool the high-wattage components (up to 3.5kW max power draw).
質問 # 194
Which Purity command can be used to validate I/O is balanced across initiators?
正解:A
解説:
Validating multipath I/O balance is a critical post-configuration step. The FlashArray CLI provides a specific monitoring tool for this purpose under the purehost command suite.
purehost monitor --balance is the correct command.
monitor: This keyword initiates a real-time display of performance metrics (IOPS, bandwidth, latency).
--balance: This flag breaks down the metrics per initiator (per HBA/path) for the specified host(s).
The output allows the engineer to see if I/O is flowing evenly across all paths. If one path shows 0 IOPS while others are active, it indicates a zoning, cabling, or multipathing configuration issue that must be resolved to ensure high availability.
質問 # 195
Prior to installing a new FlashArray controller, which terminal display settings must the Implementation Engineer configure?
正解:C
解説:
When unpacking and installing a new Pure Storage FlashArray controller, the initial configuration-such as assigning management IP addresses, subnet masks, and gateways via the puresetup utility-must be done completely out-of-band. Because the array does not yet have an IP presence on the customer's network, the Implementation Engineer must connect directly to the controller's serial console port using a standard serial-to- USB adapter and terminal emulation software (such as PuTTY, SecureCRT, or Tera Term).
To successfully establish a readable CLI session with the custom Linux microkernel running on the FlashArray controllers, the terminal emulator must be configured with the exact serial communication parameters expected by the array. According to Pure Storage hardware documentation, the mandatory COM port settings are:
* Baud Rate (Speed): 115,200
* Data Bits: 8
* Parity: None (N)
* Stop Bits: 1
* Flow Control: None
This configuration is universally abbreviated as 115200 8-N-1 . If an engineer attempts to use older standard speeds (like 9600 or 38400 baud) or leaves flow control (like Xon/Xoff or RTS/CTS) enabled, the terminal window will display unreadable, garbled characters (often referred to as "wingdings"), or the keyboard inputs will fail to register entirely, preventing the initialization of the array.
質問 # 196
On a FlashArray//X50 R2/R3 Fibre Channel (FC) array, what is the default type and placement of the PCIe FC card?
正解:A
解説:
For the FlashArray//X50 R2 and R3 models, the default Fibre Channel (FC) configuration utilizes a 4-port PCIe Fibre Channel card installed in Slot 0 .
The hardware architecture of the FlashArray//X series differentiates slot usage based on the model controller chassis.
* FlashArray//X10 and //X20: These lower-end models utilize Slot 2 for host connectivity (Fibre Channel or iSCSI) because Slots 0 and 1 are typically reserved or occupied by onboard controllers
/mezzanine cards. The standard card for these models is often a 2-port card.
* FlashArray//X50, //X70, and //X90: These mid-to-high-range models feature a different PCIe bus layout. Slot 0 is the primary designated slot for Host I/O connectivity. To support the higher performance capabilities and port density requirements of the X50, Pure Storage defaults to 4-port FC cards (typically 16Gb or 32Gb).
Therefore, identifying the model number is crucial. Since the question specifies the X50 (R2/R3), the correct placement is Slot 0, and the correct card type is the 4-port model. Option A is incorrect because the 2-port card is not the standard default for the performance-tier X50. Option B describes the configuration for an X20, not an X50.
質問 # 197
A customer has filled out the Installation Workbook. The management IP information netmask is specified as "255.255.255.223" and the gateway is specified as "10.24.18.1". What corrective action should be taken to reconcile the IP configuration?
正解:B
解説:
To reconcile the IP configuration, the Implementation Engineer must correct the invalid netmask to the standard Class C subnet mask of 255.255.255.0 (Option B).
The netmask provided in the workbook, 255.255.255.223, is mathematically invalid for a subnet mask. Subnet masks function by having a continuous sequence of binary '1's followed by '0's. The decimal value 223 (binary 11011111) breaks this rule due to the zero bit in the middle of the octet. Therefore, the array initialization script would reject this value as a syntax error.
In most standard implementation scenarios where a gateway of 10.24.18.1 is provided, the intended network is a /24 (255.255.255.0), which allows for hosts 10.24.18.1 through 10.24.18.254. While Option C (/23) is a valid subnet mask, it assumes a larger network scope than is typically implied by a standard typo. Correcting the mask to the standard /24 is the safest and most logical remediation to ensure the array can communicate with the gateway and the management network.
質問 # 198
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