[2024年10月10日]GoShiken NCSE-Core問題集でNutanix SE Academy合格確定させる練習問題集
Nutanix NCSE-Core実際にある問題とブレーン問題集
質問 # 81
An SE is working with a financial institution prospect on a VDI environment refresh. The institution currently has 5000 named VDI users, with a peak of 2800 concurrent users.
How many VDI VMs does the SE need to size for, factoring in an additional 10% for growth?
- A. 0
- B. 1
- C. 2
- D. 3
正解：B
解説：
* Current User Metrics:
* The financial institution has 5000 named VDI users.
* Peak concurrent users are 2800.
* Growth Factor Calculation:
* To account for growth, an additional 10% needs to be added to the peak concurrent users.
* Calculation: 2800 concurrent users * 1.10 = 3080 users.
* Conclusion:
* The SE should size the VDI environment for 3080 VMs to accommodate current and near-future needs.
References:
* VDI sizing guidelines from Nutanix best practices.
* Growth factor considerations from industry standards.
質問 # 82
when reviewing Nutanix cluster upgrades. a customer engineer is concerned that their VM will be forced to repeatedly migrate between nodes. Which Nutanix feature allows VMs to remain on a host during an AOS upgrade?
- A. RF3
- B. Data Locality
- C. Shadow Clones
- D. CVM Autopathing
正解：D
質問 # 83
An administrator is managing a highly active SQL workload that is writing I/Os in 2 MB chunks to a vDisk.
The administrator wants to optimize capacity setting for the computer.
Which storage optimization technology should the administration select to meet these requirement?
- A. Capacity Deduplication
- B. Cache Deduplication
- C. Compression
- D. Erasure Coding
正解：C
解説：
For highly active SQL workloads that write I/Os in 2 MB chunks to a vDisk, compression is the most suitable storage optimization technology. Compression works well with larger I/O sizes and can significantly reduce the storage footprint, providing better capacity optimization. This approach ensures that the large chunks of data are compressed efficiently, maximizing storage utilization and performance.
質問 # 84
A prospect that is currently virtualized using Dell servers is willing to provide a Live Optics report to assist with sizing a partial infrastructure refresh with Nutanix.
Which two items from an approach for sampling accurate sizing data with Live Optics? (Choose one)
- A. 12-hour windows during any period
- B. 12-hour windows during a period of peak utilization
- C. 24-hour windows during any period
- D. 24-hour windows during a period of peak utilization
正解：D
解説：
When using Live Optics to assist with sizing a partial infrastructure refresh, it's crucial to capture data that accurately reflects the peak usage periods to ensure the sizing will accommodate the highest demands placed on the infrastructure. Here are the detailed steps and reasons:
* Peak Utilization:
* Capturing data during peak utilization provides a realistic picture of the maximum load the infrastructure needs to handle.
* It ensures that the proposed sizing can accommodate the highest performance and capacity demands, reducing the risk of undersizing.
* 24-hour Window:
* A 24-hour window captures a full day's cycle, including peak and off-peak hours, providing a comprehensive view of the utilization patterns.
* This duration helps in understanding not only the peak loads but also the variations and average loads throughout the day.
Combining these two factors, the most accurate and comprehensive data for sizing would be gathered during
24-hour windows at periods of peak utilization.
質問 # 85
Which two items are considered by Sizer when calculating the required cluster resources with only the Raw input workload type for a multi-VM workload? (Choose two)
- A. The vCPU:pCore ratio applied to all VMs
- B. The vCPU:pCore ratio applied for specific VMs
- C. Large VM NUMA requirements
- D. The required RAM for the CVM
正解：A、D
質問 # 86
A prospect wants to target Nutanix as infrastructure for running VMs built as part of their new Continuous Integration and Delivery (CICD) pipeline. Hundreds of builds will occur per day across their development organization.
Which two items should the SE identify to begin sizing the Nutanix deployment? (Choose two.)
- A. The build manager that the company will use for the builds
- B. The frequency and lifespan of each application build
- C. The configuration/specs of the VMs within each application build
- D. The configuration manager that the customer will use with the application builds
正解：B、C
解説：
B:The frequency and lifespan of each application build:
* Understanding how often builds occur and how long they need to be retained is crucial for sizing storage and compute resources. This information helps determine the I/O and storage requirements for the Nutanix environment.
D:he configuration/specs of the VMs within each application build:
* Knowing the specifications of the VMs, such as CPU, memory, and storage requirements, is essential for accurately sizing the Nutanix cluster. This information ensures that the infrastructure can handle the workload generated by the CI/CD pipeline.
References:
* Nutanix Sizer tool and best practices for sizing environments based on specific workload requirements, particularly for CI/CD pipelines.
質問 # 87
A customer has deployed Nutanix with Esxi for VDI workloads and is considering Nutanix for a major server virtualization project. The customer is running z/Virtual Machine today for a mission critical workload and would like to consider Nutanix as a potential platform.
Which reason would currently disqualify this prospect as an opportunity?
- A. There is no assurance of project progression yet.
- B. Nutanix does not support z/OS or z/VM
- C. New hardware will be announced next quarter.
- D. Accurate sizing information is not available
正解：B
解説：
* Understanding Customer Requirements:
* The customer needs to run z/Virtual Machine (z/VM) for mission-critical workloads.
* Nutanix Support:
* z/OS and z/VM Support: Nutanix currently does not support IBM mainframe environments, including z/OS and z/VM.
質問 # 88
Refer to the exhibit.
Assuming a prospect is currently using Thick Provisioned virtual disk, at a minimum, which two tabs should be evaluated in an RVTools report to determine required resources for sizing? (Choose two.)
- A. vDisk
- B. vCluster
- C. vNetwork
- D. vInfo
- E. vPartition
正解：D、E
質問 # 89
Which two targets are valid options when selecting a remote site to Prism? (Choose Two)
- A. Physical Cluster
- B. Tape Library
- C. Cloud
- D. XI Cloud Services
- E. Network attached storage
正解：A、C
質問 # 90
A custormer's database administrator is concerned about restoring data locality for their VMs after they migrate during an AHV upgrade. Which feature that addresses the issue should the systems engineer highlight?
- A. All VM data is moved from the source to the destination node with the VM.
- B. Mirroring the database on two VMs eliminates the need for data locality
- C. Shadow clones mitigate the need for data locality.
- D. AHV's built-in scheduler automatically restores data locality
正解：D
質問 # 91
When reviewing Nutanix cluster upgrades, a customer engineer is concerned that their VM will be forced to repeatedly migrate between nodes Which Nutanix feature allows VMs to remain on a host during an AOS upgrade?
- A. R3
- B. Data Locality
- C. Shadow Clones
- D. CVM Autopathing
正解：D
質問 # 92
During a sales motion with a new prospect, the prospect and SE agree to evaluate Nutanix and a computing platform using XRay.
The prospect is currently using 3-tier architecture and considering Nutanix and HPE Simplivity.
Which two details must be discussed with the prospect before the POC starts? (Choose two)
- A. Gather details of customer's existing 3-tier hardware
- B. Model of Fibre Channel switch
- C. ldentify appropriate POC hardware
- D. What type of external storage will be connected
- E. A test plan with agreed upon success criteria
正解：C、E
解説：
C: Identify appropriate POC hardware:
* It is essential to identify and confirm the hardware that will be used for the Proof of Concept (POC) to ensure that the resources match the requirements of the workloads being tested. This includes selecting Nutanix and HPE SimpliVity hardware that can be compared under similar conditions.
D: test plan with agreed upon success criteria:
* Developing a detailed test plan with agreed-upon success criteria ensures that both the prospect and the SE have a clear understanding of the goals and objectives of the POC. This includes defining performance metrics, features to be evaluated, and acceptable thresholds for success.
* A clear test plan helps in systematically evaluating the capabilities of Nutanix versus HPE SimpliVity, ensuring that the evaluation is fair and comprehensive.
質問 # 93
An SE is working with a financial institution prospect on a VDI environment refresh. The institution currently has 5000 named VDI users, with a peak of 2800 concurrent users.
How many VDI VMs does the SE need to size for, factoring in an additional 10% for growth?
- A. 0
- B. 1
- C. 2
- D. 3
正解：B
質問 # 94
A prospect provides sizing details for a new application that will require 15TiB of usable storage. The prospect needs to plan for an additional 20% storage growth as part of the initial purchase. Including capacity to fully re-protect in the event of a node failure, which configuration provides minimal cost while meeting the capacity requirement?
- A. Option A
- B. Option B
- C. Option D
- D. Option C
正解：C
解説：
To determine the best configuration, we need to calculate the required storage, including the additional 20% growth and the capacity to re-protect in the event of a node failure:
* Initial Storage Requirement:
* Usable storage required: 15 TiB
* Additional storage for 20% growth: 15×0.2=3 TiB15 \times 0.2 = 3 \text{ TiB}15×0.2=3 TiB
* Total storage required: 15+3=18 TiB15 + 3 = 18 \text{ TiB}15+3=18 TiB
* Storage with Re-protection:
* To ensure data protection and availability, Nutanix typically uses a replication factor (RF) of 2, meaning each piece of data is stored twice.
* Therefore, the total raw storage needed: 18 TiB×2=36 TiB18 \text{ TiB} \times 2 = 36 \text{ TiB}18 TiB×2=36 TiB Given these calculations, we should look for a configuration that provides at least 36 TiB of raw storage.
Based on typical Nutanix node configurations, Option D provides the best balance of cost and capacity, ensuring that the requirement for 36 TiB of raw storage is met.
質問 # 95
A customer has a requirement to run a single instance Oracle Database VM on AHV that is driving over
250,000 IOPs. Which AOS feature should be positioned to deliver the highest level of performance?
- A. App Mobility Fabric
- B. Shadow Clones
- C. Volume Group Load Balancer
- D. Data Locality
正解：D
解説：
For running a single instance Oracle Database VM on AHV that is driving over 250,000 IOPS, the AOS feature that should be positioned to deliver the highest level of performance is Data Locality.
* Data Locality Overview:
* Data Locality ensures that data is kept local to the node where the VM is running. This minimizes the latency involved in data access because it avoids traversing the network to fetch data from remote nodes.
* Performance Benefits:
* By keeping the data local to the node, it leverages the local SSDs and RAM for the highest
* possible performance.
* This is crucial for high IOPS workloads such as an Oracle Database VM, where low latency and high throughput are essential.
* Implementation:
* Nutanix AOS automatically manages data locality, ensuring that read and write operations are performed on the local storage as much as possible.
References:
* Nutanix Bible on Data Locality.
* Nutanix Documentation on Performance Optimization.
質問 # 96
A customer has a requirement to run a single instance Oracle Database VM on AHV that is driving over
250,000 IOPs. Which AOS feature should be positioned to deliver the highest level of performance?
- A. App Mobility Fabric
- B. Volume Group Load Balancer
- C. Data Locality
- D. Shadow Clones
正解：B
質問 # 97
A customer is conceded that IT will not be able to take advantage of Nutanix's frequent feature releases due to the man hour requirements of maintaining compliance with industry regulatory controls.
Which item should the SE discuss at the next customer visit with IT?
- A. Two-factor Authentication
- B. Factory-installed self-encryption drives (SED)
- C. Security Configuration Management Automation (SCMA)
- D. Data at Rest Encryption (Software)
正解：C
質問 # 98
A systems engineer is building a solution for a federal government prospect that requires. FIPS 140-2 Level 2 encryption for data at rest. Which two items are required to deliver a solution that meets the encryption standard? (Choose two)
- A. Nutanix Software Encryption
- B. Self-Encrypting Drive
- C. A supported key Management Server
- D. Nutanix Prism Pro Licensing
正解：B、C
解説：
To meet the FIPS 140-2 Level 2 encryption requirement for data at rest for a federal government prospect, the solution must include the following:
* A supported Key Management Server (KMS): Nutanix supports external KMS solutions that are FIPS
140-2 compliant, ensuring secure key management.
* Self-Encrypting Drive (SED): SEDs provide hardware-based encryption that meets the FIPS 140-2 Level 2 standard, ensuring that the data is encrypted at rest with high security.
質問 # 99
A customer intends to build out their VDI environment over a period of 18 months. They require a consistent user experience as their numbers grow. what element of the Nutanix WebScale architecture would a systems engineer discuss with them?
- A. No single point of failure
- B. All intelligence in software
- C. Linear performance with predictable scaling
- D. Nutanix can run on multiple hardware vendor platforms
正解：C
質問 # 100
When sizing for Splunk, the customer states the daily ingest rate is 500GB and they are currently using Search Factor 2 and Splunk Replication Factor 2.
Which two additional input are required by Sizer? (Choose two)
- A. Data Retention
- B. Number of Events
- C. Network Bandwidth
- D. Number of Datastores
- E. Concurrent Search Users
正解：A、E
質問 # 101
An SE is performing workload discovery with an SMB prospect running SQL Server. The databases is less than 1 TB, but its performance and uptime are critical to the prospect's business operations. Sizer sugests using 1065S nodes.
Which aspects of the NX-1065S-G5 would cause an SE to filter out that nodel from Sizer's Automatic configuration? (choose two.)
- A. Limited to 4 nodes
- B. Single HDD
- C. Single Power Supply
- D. Single Socket Processor
- E. 1Gb Networking
正解：D、E
質問 # 102
A prospect is planning to refresh hundreds of remote locations. Each location has the following configuration:
* 2x HPE DL360 servers running vSphere, each using its own local storage
* 3-4 Windows VMs with no plans to expand
Scheduling the initial meeting to discuss the opportunity has been challenging as the prospect believes a Nutanix solution would be overpriced for their remote site needs.
What are two Nutanix capabilities the SE should highlight to address solution cost concerns? (Choose two.)
- A. 1 -Node and 2-Node Clusters
- B. Foundation
- C. Xi DRaaS
- D. AHV
正解：A、D
解説：
A: 1-Node and 2-Node Clusters:
* Nutanix offers 1-node and 2-node cluster configurations, which are ideal for small remote locations with limited hardware requirements. These configurations are cost-effective and provide the necessary compute and storage resources for small workloads, addressing the cost concerns for the prospect's remote sites.
D: AHV:
* AHV (Acropolis Hypervisor) is included with Nutanix at no additional licensing cost, which can significantly reduce the total cost of ownership compared to environments that require separate hypervisor licenses (such as VMware vSphere). Highlighting the cost savings of using AHV can help address the prospect's concerns about pricing.
References:
* Nutanix documentation on small cluster configurations and the benefits of AHV in reducing costs and simplifying management for remote and edge locations.
質問 # 103
A prospective customer uses both Oracle and Microsoft products for critical applications. The prospect. prefers an all flash array over HCI, because they have made a recent, significant investment in physical servers for their Oracle environment to save on licensing costs. Which feature should be discussed to address this objection?
- A. Volumes
- B. AHV
- C. VM Flash Mode
- D. Hyper-V support
正解：A
解説：
* Customer Concern:
* The customer prefers an all-flash array over HCI due to a recent investment in physical servers for their Oracle environment.
* Nutanix Feature:
* Volumes: Nutanix Volumes provide block storage that can be used to present storage to physical servers, similar to traditional SAN storage.
* Explanation:
* Nutanix Volumes: This feature allows customers to connect their existing physical servers to Nutanix storage using iSCSI. This can be beneficial for environments where physical servers are used to optimize licensing costs, such as Oracle databases.
* Benefits: By using Nutanix Volumes, the customer can leverage their recent investment in physical servers while still benefiting from the capabilities of the Nutanix platform.
* Outcome:
* Discussing Nutanix Volumes will address the customer's objection by showing how they can integrate their existing physical infrastructure with Nutanix storage, thus leveraging their recent investment.
References: For more information, refer to Nutanix documentation on Volumes and block storage capabilities.
質問 # 104
During a sales motion with a new prospect, the prospect asks to do a POC so they can experience Nutanix in their environment.
What is the most important item the SE must have in place with the prospect before moving forward with a POC?
- A. Defined and measurable success criteria
- B. Start date of the POC
- C. Meeting frequency
- D. Number of Nodes/Block to be used during the POC
正解：A
質問 # 105
Using the Sizing Option shown, which two configurations are possible configurations that Sizer could provide in Automatic mode? (Choose two) ????
- A. 6x NX-8055-G7 (2 x 7.68TB SSD + 10x 6TB HDD per node)
- B. 4x NX-1075S-G7 (4x 3.85TB SSDs per node) + 4x NX-8035-G7 (6x 3.84TB SSD per node)
- C. 6x NX-3060-G7 (6x 1920GB SSDs per node)
- D. 3x NX-3060-G7 (2x 1920GB SSDs per node) + 3x NX-10755-G7 (4x 3.84TB SSDs per node)
正解：A、B
解説：
When using the Sizer in Automatic mode, it can provide various configurations based on the specified workload and capacity requirements. The following configurations are possible:
* 6x NX-8055-G7:
* Each node has 2 x 7.68TB SSDs and 10x 6TB HDDs.
* This configuration balances high-performance SSDs with large-capacity HDDs, suitable for mixed workload environments.
* 4x NX-1075S-G7 + 4x NX-8035-G7:
* NX-1075S-G7 nodes have 4x 3.85TB SSDs each.
* NX-8035-G7 nodes have 6x 3.84TB SSDs each.
* This combination provides high SSD storage capacity across different node types, optimized for performance-intensive workloads.
References:
* Nutanix Sizer Documentation: Details on how the Sizer tool calculates and recommends configurations.
* Nutanix Hardware Specifications: Specifications for different node models and their storage capabilities.
質問 # 106
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