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EMC D-XTR-MN-A-24 Exam Syllabus Topics:
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NEW QUESTION # 20
In an XtremIO X2, what is the maximum number of lifetime cycles for NVRAM?
- A. 7,000
- B. 5,000
- C. 10,000
- D. 4,000
Answer: C
Explanation:
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.
NEW QUESTION # 21
Which port is used to connect to the Storage Controller (SC) to service an XtremIO X2 with the Technician Advisor tool?
- A. Dedicated USB port on the back of the SC
- B. Dedicated USB port on the front of the SC
- C. Dedicated serial port on the back on the SC
- D. Dedicated Management port on the back of the SC
Answer: D
Explanation:
To service an XtremIO X2 with the Technician Advisor tool, the connection is made through the dedicated Management port located on the back of the Storage Controller (SC). This port is specifically designed for management tasks and allows service technicians to access the system for diagnostics and configuration using the Technician Advisor tool1.
The process typically involves:
Locating the dedicated Management port on the back of the SC.
Connecting a compatible cable from the technician's device to the Management port.
Using the Technician Advisor tool to perform the necessary service tasks.
This information is outlined in the Official Dell XtremIO Maintenance Achievement document, which provides detailed instructions for servicing and maintaining XtremIO X2 storage systems1.
NEW QUESTION # 22
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?
Answer:
Explanation:
1 - X3-SC1
2 - X3-DAE
3 - X3-BBU
4 - X3-SC2
NEW QUESTION # 23
What is the minimum XtremlO software version required for expanding a Starter X-Brick cluster?
- A. 4.0.2
- B. 4.0.1
- C. 4.0.4
- D. 4.0.0
Answer: C
Explanation:
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.
NEW QUESTION # 24
A multi X-Brick XtremlO X1 cluster is being installed. How many BBU connections, and of which type, are required per X-Brick?
- A. 1 BBU providing protective power to the Storage Controllers
2 BBU COM ports; one 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. 2 BBUs providing protective power to X-Brick 1 and 2 Storage Controllers only
4 BBU COM ports connected to each Storage Controller
Answer: A
Explanation:
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.
NEW QUESTION # 25
A customer has decided to deploy a virtual XMS server. Which file name extension does the template use to deploy the server?
- A. gz
- B. tar
- C. ovf
- D. ova
Answer: D
Explanation:
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.
NEW QUESTION # 26
In a multi X-brick cluster, what happens when both DAE Controllers in a single X-Brick fail?
- A. Entire cluster shuts down
- B. Cluster operations continue normally
- C. Only LUNs with data on that DAE go offline
- D. Cluster performance is degraded
Answer: C
Explanation:
In a multi X-brick cluster, each X-brick consists of multiple Disk Array Enclosures (DAEs) that work together to provide storage and data redundancy.
If both DAE controllers in a single X-Brick fail, the impact is localized to the LUNs (Logical Unit Numbers) that store data on that particular DAE.
The entire cluster does not shut down; rather, only the data on the affected DAE becomes unavailable.
This design ensures that the rest of the cluster continues to operate normally, albeit with potential performance degradation depending on the data distribution and workload.
NEW QUESTION # 27
What is the correct sequence of steps to power up an XtremlO X1 cluster after an emergency shutdown?
Answer:
Explanation:
1 - Determine the cause of the shutdown
2 - Power up the Battery Backup Units
3 - Power up the XMS
4 - Power up the Storage Controllers
5 - Start the cluster
NEW QUESTION # 28
Where can the Technician Advisor be found?
- A. SolVe Desktop
- B. XtremIO GUI
- C. support.emc.com
- D. On the XMS
Answer: A
Explanation:
The Technician Advisor can be found on SolVe Desktop. SolVe Desktop is a comprehensive tool provided by Dell EMC that includes installation, maintenance, and troubleshooting procedures for various Dell EMC products, including XtremIO. It is an essential resource for technicians working with these systems.
NEW QUESTION # 29
When comparing XtremlO X1 to XtremlO X2, how much memory is installed in a Storage Controller that has a DAE attached with 400 GB SSDs?
- A. X1: 384 GB; X2: 384 GB
- B. X1: 256 GB; X2: 512 GB
- C. X1: 512 GB; X2: 1024 GB
- D. X1: 256 GB; X2: 384 GB
Answer: B
Explanation:
When comparing XtremIO X1 to XtremIO X2, the amount of memory installed in a Storage Controller with a DAE attached with 400 GB SSDs differs. For the X1, it is 256 GB, while for the X2, it is 512 GB. This increase in memory in the X2 model supports higher performance and improved handling of data operations.
NEW QUESTION # 30
On an XtremlO X2-S, which ports are used on the InfiniBand switches for an ISL connection?
- A. 1 and 2
- B. 35 and 36
- C. 17 and 18
- D. 11 and 12
Answer: B
Explanation:
For an XtremIO X2-S, the ports used on the InfiniBand switches for an Inter-Switch Link (ISL) connection are typically high-numbered ports, which are usually at the end of the port range on the switch. While the specific port numbers can vary depending on the switch model and configuration, ports 35 and 36 are commonly used for ISL connections in many configurations1.
The process to identify the ISL ports is as follows:
Access the InfiniBand switch via the management interface.
Use the appropriate command to list the port configuration (this command can vary based on the switch's firmware).
Identify the ports configured for ISL, which will be indicated in the port configuration settings.
It's important to refer to the official Dell XtremIO Maintenance Achievement document or the InfiniBand switch documentation for the exact port numbers as they can differ based on the switch model and the cluster configuration1.
NEW QUESTION # 31
Which type of InfiniBand switch is used in a multi-brick XtremIO X2-R array?
- A. 24 port switch
- B. 36 port switch
- C. 12 port switch
- D. 18 port switch
Answer: B
Explanation:
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.
NEW QUESTION # 32
How much rack space is required for a four X-Brick XtremIO X2 cluster with a physical XMS?
- A. 21U
- B. 19U
- C. 16U
- D. 24U
Answer: A
Explanation:
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.
NEW QUESTION # 33
What is indicated when the XtremIO X2 NVRAM status LED is flashing red at one second intervals?
- A. Firmware or driver is loaded
- B. Backup is in progress
- C. Uncorrectable error
- D. Restore is in progress
Answer: C
Explanation:
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.
NEW QUESTION # 34
What is a feature of the XtremlO storage array?
- A. Synchronous replication
- B. Inline compression
- C. Post process deduplication
- D. Disk sparing
Answer: B
Explanation:
A key feature of the XtremIO storage array is inline compression. This feature allows data to be compressed in real-time as it is written to the storage system, which helps to reduce storage footprint and improve storage efficiency without impacting performance.
NEW QUESTION # 35
What is the minimum number of SSDs required to upgrade a single X-Brick XtremIO X2 cluster that contains 36 SSDs?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
Explanation:
The XtremIO X2 storage system can be expanded for capacity (Scale-Up) or both capacity and performance (Scale-Out). The system begins with a single building block, called an X-Brick, with a minimum of 18 SSDs. When additional capacity is required, the system scales up, with up to 72 SSDs for a single X-Brick1. Therefore, to upgrade a single X-Brick XtremIO X2 cluster that already contains 36 SSDs, the minimum number of SSDs required would be 18, which is the base configuration for an X-Brick.
NEW QUESTION # 36
Refer to the Exhibit.
Based on the exhibit, which ports are used for FC2 and iSCSI1 connections on an XtremIO X1?
- A. a and c
- B. b and c
- C. a and d
- D. b and d
Answer: D
Explanation:
Based on the provided exhibit, ports "b" and "d" are used for FC2 (Fibre Channel 2) and iSCSI1 connections on an XtremIO X1. These ports are designated for specific connection types to ensure optimal performance and correct configuration of the storage network.
NEW QUESTION # 37
What are field replaceable on an XtremIO X1 Storage Controller?
- A. Entire component and PSU
- B. Entire component and SSD
- C. SSD and RAM
- D. PSU and SSD
Answer: A
Explanation:
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.
NEW QUESTION # 38
What is the correct order in which the XtremlO X1 cluster components should be powered on for the first time?
Answer:
Explanation:
1 - PDU (Power Distribution Unit)
2 - BBUs (Battery Backup Units)
3 - XMS (XtremIO Management Server)
4 - Storage Controllers
NEW QUESTION # 39
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