最適な練習法にはEMC D-XTR-MN-A-24問題集で素晴らしいD-XTR-MN-A-24試験問題PDF
更新された検証済みの合格させるD-XTR-MN-A-24試験リアル問題と解答
EMC D-XTR-MN-A-24 認定試験の出題範囲：
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質問 # 31
A multi X-Brick XtremlO X1 cluster is being installed. How many BBU connections, and of which type, are required per X-Brick?
- A. 2 BBUs providing protective power to X-Brick 1 and 2 Storage Controllers only
4 BBU COM ports connected to each Storage Controller - B. 1 BBU providing protective power to the bottom Storage Controller
2 BBU COM ports; one connected to each Storage Controller - C. 2 BBUs providing protective power to the Storage Controllers
1 BBU COM port connected to the bottom Storage Controller - D. 1 BBU providing protective power to the Storage Controllers
2 BBU COM ports; one connected to each Storage Controller
正解：D
解説：
For a multi X-Brick XtremIO X1 cluster, each X-Brick requires one Battery Backup Unit (BBU) that provides protective power to both Storage Controllers within the X-Brick. Additionally, there are two BBU COM (communication) ports required, with one connected to each Storage Controller. This configuration ensures that in the event of a power failure, the BBU can maintain power to the Storage Controllers, allowing them to safely shut down and protect data integrity1.
The installation process would typically involve:
Installing the BBU in the designated slot within the X-Brick.
Connecting the BBU power cable to the power supply of both Storage Controllers.
Connecting a BBU COM port to each Storage Controller for communication and monitoring purposes.
This setup is crucial for maintaining the high availability and data protection standards that XtremIO systems are known for1.
質問 # 32
Which type of InfiniBand switch is used in a multi-brick XtremIO X2-R array?
- A. 12 port switch
- B. 18 port switch
- C. 24 port switch
- D. 36 port switch
正解：D
解説：
In a multi-brick XtremIO X2-R array, a 36 port InfiniBand switch is used. This type of switch provides the necessary number of ports to accommodate the connectivity requirements of a multi-brick configuration, ensuring high-speed data transfer and communication between the bricks and other components of the storage array1.
The InfiniBand switch plays a crucial role in the XtremIO X2-R's architecture, as it allows for the interconnection of multiple bricks, which collectively contribute to the array's performance and scalability. The 36 port switch ensures that there are enough ports available for current use and potential future expansion1.
質問 # 33
Into which directory must the XtremApp software be copied on the XMS?
- A. /home
- B. /xtremapp
- C. /media
- D. /images
正解：B
解説：
The XtremApp software must be copied into the /xtremapp directory on the XtremIO Management Server (XMS). This directory is specifically designated for the XtremApp software, ensuring that it is stored in the correct location for installation and execution1.
The process for copying the software typically involves:
Accessing the XMS via a secure shell (SSH) connection.
Navigating to the root directory.
Locating or creating the /xtremapp directory.
Using the appropriate command to copy the XtremApp software from its source location to the /xtremapp directory on the XMS.
It is important to follow the Official Dell XtremIO Maintenance Achievement document for the correct procedures and to ensure that the software is placed in the proper directory for successful installation and operation1.
質問 # 34
Which ports need to be open between the XMS and X1-SC1 to successfully operate Technician Advisor on an XtremIO X2?
- A. TCP ports 80 and 443
- B. UDP ports 80 and 442
- C. UDP ports 22 and 442
- D. TCP ports 22 and 443
正解：A
解説：
To successfully operate Technician Advisor on an XtremIO X2, TCP ports 80 and 443 need to be open between the XMS (XtremIO Management Server) and X1-SC1 (Storage Controller). These ports are used for HTTP and HTTPS communication, respectively, allowing for secure management and operation of the storage system.
質問 # 35
What is the maximum mixed read/write IOPS rate achievable in a two X-Brick XtremIO X2 array?
- A. 1000 K
- B. 600 K
- C. 300 K
- D. 500 K
正解：B
解説：
This performance metric is derived from the system's ability to deliver linear scalability, meaning that two X-Bricks can deliver twice the IOPS of a single X-Brick configuration2.
The calculation for this is based on the performance of a single X-Brick, which can achieve up to 300,000 IOPS under the same workload conditions. Therefore, with two X-Bricks, the system can achieve double that amount, resulting in 600,000 IOPS1.
This information is crucial for planning and sizing purposes, ensuring that the storage array meets the performance requirements of the applications it supports2.
質問 # 36
Which document provides details about temperature and humidity requirements?
- A. XtremIO Storage Array Software Installation and Upgrade Guide
- B. XtremIO Storage Array Site Preparation Guide
- C. XtremlO Storage Array Hardware Installation and Upgrade Guide
- D. XtremIO Storage Array Pre-Installation Checklist
正解：B
解説：
The XtremIO Storage Array Site Preparation Guide is the document that provides detailed information about the environmental requirements, including temperature and humidity, for XtremIO storage systems. This guide is essential for ensuring that the site where the XtremIO system will be installed meets the necessary conditions for optimal operation and longevity of the equipment1.
The guide typically includes:
The acceptable temperature range for both operating and non-operating conditions.
The recommended humidity levels to prevent condensation and other moisture-related issues.
Guidelines for airflow and cooling to maintain the specified temperature and humidity levels.
It is important to adhere to these requirements to ensure the reliable performance of the XtremIO storage array and to avoid any potential environmental-related issues1.
質問 # 37
In an XtremIO X2, what is the maximum number of lifetime cycles for NVRAM?
- A. 4,000
- B. 5,000
- C. 7,000
- D. 10,000
正解：D
解説：
In an XtremIO X2 system, the maximum number of lifetime cycles for NVRAM is 10,000. This number represents the total count of write and erase cycles the NVRAM can endure throughout its lifespan, ensuring data integrity and reliability over time.
質問 # 38
What are field replaceable on an XtremIO X1 Storage Controller?
- A. Entire component and SSD
- B. SSD and RAM
- C. PSU and SSD
- D. Entire component and PSU
正解：D
解説：
The field replaceable units (FRUs) on an XtremIO X1 Storage Controller include the entire component and the Power Supply Unit (PSU). This information is verified as per the Official Dell XtremIO Maintenance Achievement document, which outlines the FRU replacement procedures for XtremIO products1.
質問 # 39
How much virtual hard drive space is recommended when deploying a virtual XMS?
- A. 400 GB
- B. 200 GB
- C. 900 GB
- D. 80 GB
正解：B
解説：
When deploying a virtual XtremIO Management Server (XMS), it is recommended to allocate a virtual hard drive space of 200 GB. This recommendation is based on the requirements for the operating system, the XMS application, and additional space for updates, logs, and other system files that may be generated during operation1.
The deployment process would typically involve:
Preparing a virtual environment that meets the minimum hardware specifications.
Allocating the recommended virtual hard drive space of 200 GB to ensure adequate room for the XMS application and associated data.
Proceeding with the installation of the XMS application on the prepared virtual machine.
It is important to follow the official Dell XtremIO documentation to ensure that the virtual environment is correctly configured to support the XMS application2.
質問 # 40
What is the minimum XtremlO software version required for expanding a Starter X-Brick cluster?
- A. 4.0.0
- B. 4.0.1
- C. 4.0.4
- D. 4.0.2
正解：C
解説：
The minimum XtremIO software version required for expanding a Starter X-Brick cluster is 4.0.4. This version includes the necessary features and improvements to support the expansion process, ensuring compatibility and optimal performance.
質問 # 41
Which firewall ports need to be opened for an XtremlO cluster to use FTPS for Connect Home?
- A. 25 and 162
- B. 989 and 990
- C. 3260 and 11111
- D. 443 and 8443
正解：B
解説：
For an XtremIO cluster to use FTPS (File Transfer Protocol Secure) for the Connect Home feature, the firewall ports that need to be opened are 989 and 990. These ports are used for data connections and control connections under implicit security for FTPS1.
When using explicit security, FTPS can also use port 21, but since the question specifies FTPS for Connect Home, which typically uses implicit security, the correct ports are 989 for data transmission and 990 for the control connection1. It's important to ensure these ports are open to allow secure file transfer capabilities for the XtremIO cluster.
質問 # 42
Which command is used to initiate a Storage Controller power supply replacement for XtremlO cluster ABC123?
- A. replace-storage-controller-psu cluster-id="ABC123"
- B. replace-storage-controller-prepare sc-psu-id=1 cluster-id="ABC123"
- C. replace-storage-controller-psu sc-psu-id=1 cluster-id="ABC123"
- D. replace-storage-controller-prepare cluster-id="ABC123"
正解：C
解説：
To replace a power supply unit (PSU) in a storage controller of an XtremIO cluster, a specific command needs to be executed.
The correct command to initiate this process is replace-storage-controller-psu sc-psu-id=1 cluster-id="ABC123".
This command specifies the action to replace the PSU (replace-storage-controller-psu), the PSU ID (sc-psu-id=1), and the specific cluster ID (cluster-id="ABC123").
Using this command ensures that the correct PSU in the specified cluster is prepared for replacement.
質問 # 43
What is the correct sequence of steps to perform a planned shutdown of an XtremIO X2?
正解：
解説：
1 - Verify no host I/O
2 - Verify the cluster PSNT and health
3 - Disable notifications
4 - Stop the cluster service
5 - Power off the hardware
質問 # 44
Upon which technology is the XtremIO X2 WebUl based?
- A. XHTML
- B. HTML4
- C. HTML5
- D. XML
正解：C
解説：
The XtremIO X2 WebUI is based on HTML5 technology. HTML5 is the latest version of the Hypertext Markup Language, the code that describes web pages. It's actually three kinds of code: HTML, which provides the structure; Cascading Style Sheets (CSS), which take care of presentation; and JavaScript, which makes things happen1.
HTML5 is designed to deliver almost everything you'd want to do online without requiring additional software such as browser plugins. It does everything from animation to apps, music to movies, and can also be used to build complicated applications that run in your browser.
XtremIO X2's use of HTML5 allows for a more interactive and responsive WebUI that is compatible with a wide range of devices, including tablets and smartphones, providing a better user experience and easier management of the storage array1.
質問 # 45
On XtremlO X1, what is required before the cluster will start?
- A. BBUs must be charged to at least 70%
- B. BBUs must be charged to at least 50%
- C. End of Life BBUs must be replaced
- D. At least one BBU has to be online
正解：A
解説：
Before an XtremIO X1 cluster can start, it is required that the Battery Backup Units (BBUs) are charged to at least 70%. This ensures that there is sufficient power reserve to maintain data integrity and allow for safe shutdown procedures in case of an unexpected power loss. The BBUs provide power to the Storage Processors and other critical components during an outage, allowing them to complete any in-progress operations and commit data to SSDs1.
The startup process checks the BBU charge level and will only proceed if the minimum charge requirement is met. This is a safety feature designed to protect the system and the data it holds. If the BBUs are not adequately charged, the system will not start, preventing potential data loss or corruption that could occur if the system were to lose power without the ability to properly shut down1.
質問 # 46
How much rack space is required for a four X-Brick XtremIO X2 cluster with a physical XMS?
- A. 24U
- B. 16U
- C. 19U
- D. 21U
正解：D
解説：
XtremIO X2 clusters are designed for efficient space utilization in data center racks.
A four X-Brick XtremIO X2 cluster requires specific rack space allocation.
Each X-Brick occupies 5U of rack space. Therefore, four X-Bricks would require 20U.
Additionally, the physical XtremIO Management Server (XMS) occupies 1U of rack space.
In total, the four X-Brick XtremIO X2 cluster with a physical XMS requires 21U of rack space.
質問 # 47
A customer has decided to deploy a virtual XMS server. Which file name extension does the template use to deploy the server?
- A. ovf
- B. gz
- C. tar
- D. ova
正解：D
質問 # 48
What is the correct sequence of steps to install a virtual XMS prior to creating the cluster on an XtremIO X2?
正解：
解説：
1 - Deploy the OVF Template
2 - Configure the XMS
3 - Transfer the Installation Package to the XMS Server
4 - Install only the XMS
5 - Display the Installation Package on the Storage Controller
質問 # 49
In which download section on support.emc.com can the virtual XMS OVA be found?
- A. Tools & Utilities
- B. Full Release
- C. Product Tools
- D. Add-ons
正解：A
解説：
The virtual XtremIO Management Server (XMS) OVA file can be found in the Tools & Utilities download section on support.emc.com. This is confirmed by the information provided in the Dell XtremIO Maintenance Achievement document, which details the resources and procedures for maintaining XtremIO products, including the deployment of the XMS1.
質問 # 50
Which port should SC1-IB1 be connected to in a single X-Brick XtremIO X2?
- A. IBSW1-P01
- B. SC2-IB2
- C. IBSW2-P01
- D. SC2-IB1
正解：A
解説：
In a single X-Brick XtremIO X2 configuration, the port SC1-IB1 should be connected to IBSW1-P01. This connection ensures proper communication and data flow between the storage controller and the InfiniBand switch, which is critical for system performance and redundancy.
質問 # 51
A customer has decided to deploy a virtual XMS server. Which file name extension does the template use to deploy the server?
- A. ovf
- B. gz
- C. tar
- D. ova
正解：D
解説：
When deploying a virtual XtremIO Management Server (XMS), the template uses the file name extension .ova. This is a standard format for virtual appliances, which are pre-configured virtual machines that can be imported and run on various virtualization platforms. The .ova file extension stands for Open Virtual Appliance (or Application) and is typically used for packaging and distributing software to be run in virtual machines1.
The deployment process using an .ova file typically involves the following steps:
Download the .ova file from the official source or portal.
Import the .ova file into the virtualization platform (such as VMware vSphere or Oracle VM VirtualBox).
Follow the prompts to configure the virtual machine settings as needed.
Once the import is complete, power on the virtual machine to begin the initial setup and configuration of the virtual XMS server.
This information is consistent with the practices outlined in the Official Dell XtremIO Maintenance Achievement document, ensuring that the deployment of the virtual XMS server aligns with Dell's recommended procedures2.
質問 # 52
From bottom to top, what is the correct racking order of the first four components to expand an XtremlO X1 configuration from a dual X-Brick to a quad X-Brick?
正解：
解説：
1 - X3-SC1
2 - X3-DAE
3 - X3-BBU
4 - X3-SC2
質問 # 53
What is indicated when the XtremIO X2 NVRAM status LED is flashing red at one second intervals?
- A. Backup is in progress
- B. Uncorrectable error
- C. Restore is in progress
- D. Firmware or driver is loaded
正解：B
解説：
When the NVRAM status LED on an XtremIO X2 is flashing red at one-second intervals, it indicates an uncorrectable error. This is a critical status that typically signifies a hardware malfunction or failure within the NVRAM module, which requires immediate attention. NVRAM, or Non-Volatile Random Access Memory, is crucial for retaining data integrity during power losses or system crashes1.
The steps to address this issue usually involve:
Investigating the system logs to identify the specific nature of the error.
Contacting Dell EMC support for guidance on diagnosing and resolving the issue.
Following the recommended procedures for troubleshooting or replacing the affected NVRAM module, as per the support team's instructions.
It is important to resolve such errors promptly to prevent potential data loss and to maintain the overall health and performance of the storage system1.
質問 # 54
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更新されたPDF（2024年最新）実際にあるEMC D-XTR-MN-A-24試験問題：https://www.jpntest.com/shiken/D-XTR-MN-A-24-mondaishu
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