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DELL EMC D-ECS-DS-23 Dell ECS Design 2023 Exam Online Training

Question #1

Which workflow factors must be considered when designing an ECS solution?

  • A . Computing, capacity, and sizing
  • B . Current and future workflows and capacity
  • C . Current and future workflows and features
  • D . Capacity, performance, and features

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Correct Answer: D
Question #2

When following best practices, what must the solution architect consider when sizing an upgrade for an existing ECS cluster without adding additional nodes?

  • A . Only add drives of the same capacity within the node.
  • B . Replace all the drives with higher capacity drives.
  • C . Add different capacity drives within the node.
  • D . Disable data replication to free up storage space.

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Correct Answer: A
Question #3

In recommending network separation deployments for an ECS environment, which strategies ensure both security and efficiency?

  • A . Deploying all resources in a single subnet for simplicity
  • B . Using private subnets for database servers and public subnets for web servers
  • C . Implementing network ACLs and security groups for fine-grained access control
  • D . Isolating development, testing, and production environments

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Correct Answer: BCD
Question #4

What access control mechanisms are crucial for implementing data permissions in an ECS cluster for client access?

  • A . Role-Based Access Control (RBAC)
  • B . Network-based ACLs
  • C . Physical security of the data center
  • D . Identity and Access Management (IAM) policies

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Correct Answer: AD
Question #5

Which two statements regarding namespaces on ECS are true? (Select 2)

  • A . Multiple namespaces can share access to the same bucket.
  • B . Namespaces provide logical isolation of data.
  • C . Namespaces provide physical isolation of data.
  • D . Multiple namespaces require unique bucket names.

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Correct Answer: AB
Question #6

Which approach is recommended for managing ECS data lifecycle in a cost-effective manner?

  • A . Storing all data indefinitely, regardless of its value
  • B . Implementing automated data tiering and archival policies
  • C . Manual migration of data to cheaper storage classes as needed
  • D . Using premium storage for all data types to ensure performance

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Correct Answer: B
Question #7

What type of information must the technology architect gather during the research process to draft a solution document?

  • A . Stakeholder requirements
  • B . Application compatibility
  • C . Network separation
  • D . User logins

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Correct Answer: A
Question #8

Which notification server uses an authentication passphrase and can be configured using ECS Management API?

  • A . Syslog
  • B . SRM
  • C . SNMP
  • D . Audit

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Correct Answer: C
Question #9

A regional small business has multiple remote offices with 25 Windows users. The business wants to have a central repository to archive important files and protect them for seven years.

Which ECS utility allows Windows to move files using CIFS protocol to the ECS for archiving and long-term retention?

  • A . GeoDrive
  • B . Grafana
  • C . xDoctor
  • D . S3 browser

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Correct Answer: A
Question #10

Which network is used for inter-rack communication in a multi-rack ECS appliance?

  • A . private
  • B . public
  • C . private.4
  • D . public.rack

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Correct Answer: C

Question #11

Which of the following is NOT an effective method for enhancing the security of an ECS networking solution?

  • A . Implementing strict network ACLs and security group rules
  • B . Using public IP addresses for all instances to ensure accessibility
  • C . Encrypting data in transit using TLS/SSL
  • D . Segregating networks using private and public subnets

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Correct Answer: B
Question #12

Which local data protection method does ECS use?

  • A . Triple mirroring and erasure coding
  • B . Erasure coding only
  • C . Double mirroring and erasure coding
  • D . Triple mirroring only

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Correct Answer: A
Question #13

What two things must be considered when creating a bucket on an ECS cluster? (Select 2)

  • A . Buckets should be created with a unique name within a federation.
  • B . Buckets can be accessed from any VDC belonging to the same replication group.
  • C . Buckets should be created at the VDC closest to the application accessing and updating the objects.
  • D . S3 buckets support NFS and Centera CAS data access.

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Correct Answer: BC
Question #14

For an ECS deployment requiring frequent data recovery tests, which feature is most beneficial?

  • A . Snapshot and cloning capabilities
  • B . Long-term data archiving without retrieval options
  • C . Single-zone data storage for cost savings
  • D . Manual backup processes to external drives

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Correct Answer: A
Question #15

For a globally distributed ECS application, which performance factor is crucial to monitor?

  • A . Local workstation CPU usage
  • B . Global Content Delivery Network (CDN) effectiveness
  • C . The office Internet connection speed
  • D . The screen resolution of end-users

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Correct Answer: B
Question #16

What is the main type of traffic supported by ECS back-end switches in an EX500 cluster?

  • A . Internal Management
  • B . Internal Replication
  • C . Production
  • D . External

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Correct Answer: A
Question #17

Which metric is least useful for identifying ECS infrastructure issues?

  • A . Disk space availability
  • B . Number of active user sessions
  • C . CPU steal time
  • D . Memory swap usage

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Correct Answer: B
Question #18

In the context of ECS data management, which configurations are essential for designing resiliency against potential failure scenarios?

  • A . Multi-AZ deployments for critical data
  • B . Single-instance storage for cost-efficiency
  • C . Regularly tested backup and restore procedures
  • D . Automatic failover mechanisms

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Correct Answer: ACD
Question #19

ECS enforces multiple policy rules to ensure compliance with SEC 17a-4(f) regulations.

Which two policy rules are valid after enabling compliance? (Select 2)

  • A . A compliant bucket can be deleted while it still has objects under retention.
  • B . Retained objects cannot be erased until their retention period expires.
  • C . Retention periods for stored objects can be increased but not decreased.
  • D . Both ECS Appliance and ECS software-only solutions supports policy-based compliance.

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Correct Answer: BC
Question #20

A customer is required to keep three copies of data by government regulation. They have questions about ECS recoverability from multiple site failures.

Which two statements are true regarding multiple site failures? (Select 2)

  • A . If there is a second site failure that occurs after PSO completed and after data recovery completes, some data may be lost.
  • B . If there is a second site failure that occurs after PSO completed but before data recovery completes, some data may be lost.
  • C . ECS supports recovery from multiple site failures under any condition if the surviving site has sufficient free capacity.
  • D . ECS can recover from multiple site failures if both PSO and data recovery operations complete between the site outages.

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Correct Answer: BD

Question #21

For a real-time analytics use case on ECS, what are the essential hardware requirements to ensure optimal performance?

  • A . High-frequency CPUs
  • B . Large-scale storage options
  • C . High-bandwidth networking
  • D . Energy-efficient cooling systems

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Correct Answer: AC
Question #22

For a cloud-native application that requires frequent scaling, which ECS node type is most suitable?

  • A . Fixed-capacity high-memory nodes
  • B . Scalable general-purpose compute nodes
  • C . Single-threaded compute nodes
  • D . Fixed-capacity storage-optimized nodes

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Correct Answer: B
Question #23

Where is erasure coding applied in ECS?

  • A . To the system index only
  • B . To the metadata chunks only
  • C . To chunks containing object data only
  • D . To the data tables only

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Correct Answer: C
Question #24

What is a key benefit of using an Application Load Balancer over a Classic Load Balancer in ECS?

  • A . Simpler and older technology
  • B . Ability to route traffic based on content type
  • C . Limited to HTTP/HTTPS traffic
  • D . Higher costs for small-scale applications

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Correct Answer: B
Question #25

Which two statements regarding ECS compliance are true? (Select 2)

  • A . Applies only to a namespace containing either CAS or S3 buckets
  • B . Must be enabled when creating a namespace
  • C . Applies only to a namespace containing both CAS and S3 buckets
  • D . Can be enabled on an existing bucket
  • E . Must be enabled when creating a bucket

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Correct Answer: AB
Question #26

Which of the following is NOT a recommended activity during the solutions design process for ECS?

  • A . Prototyping and testing different configurations
  • B . Ignoring scalability and future expansion needs
  • C . Evaluating security and compliance requirements
  • D . Gathering user feedback and requirements

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Correct Answer: B
Question #27

Which two actions should be taken during the design phase to ensure that Dell Technologies’ hardware and software fulfill the customer’s needs? (Select 2)

  • A . Hand-off the solution document to the Solutions Architect.
  • B . Conduct prequalification interview with the end users.
  • C . All key stakeholders should review solution document.
  • D . Analyze the customer environment.

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Correct Answer: CD
Question #27

Which two actions should be taken during the design phase to ensure that Dell Technologies’ hardware and software fulfill the customer’s needs? (Select 2)

  • A . Hand-off the solution document to the Solutions Architect.
  • B . Conduct prequalification interview with the end users.
  • C . All key stakeholders should review solution document.
  • D . Analyze the customer environment.

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Correct Answer: CD
Question #27

Which two actions should be taken during the design phase to ensure that Dell Technologies’ hardware and software fulfill the customer’s needs? (Select 2)

  • A . Hand-off the solution document to the Solutions Architect.
  • B . Conduct prequalification interview with the end users.
  • C . All key stakeholders should review solution document.
  • D . Analyze the customer environment.

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Correct Answer: CD
Question #27

Which two actions should be taken during the design phase to ensure that Dell Technologies’ hardware and software fulfill the customer’s needs? (Select 2)

  • A . Hand-off the solution document to the Solutions Architect.
  • B . Conduct prequalification interview with the end users.
  • C . All key stakeholders should review solution document.
  • D . Analyze the customer environment.

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Correct Answer: CD

Question #27

Which two actions should be taken during the design phase to ensure that Dell Technologies’ hardware and software fulfill the customer’s needs? (Select 2)

  • A . Hand-off the solution document to the Solutions Architect.
  • B . Conduct prequalification interview with the end users.
  • C . All key stakeholders should review solution document.
  • D . Analyze the customer environment.

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Correct Answer: CD
Question #27

Which two actions should be taken during the design phase to ensure that Dell Technologies’ hardware and software fulfill the customer’s needs? (Select 2)

  • A . Hand-off the solution document to the Solutions Architect.
  • B . Conduct prequalification interview with the end users.
  • C . All key stakeholders should review solution document.
  • D . Analyze the customer environment.

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Correct Answer: CD
Question #27

Which two actions should be taken during the design phase to ensure that Dell Technologies’ hardware and software fulfill the customer’s needs? (Select 2)

  • A . Hand-off the solution document to the Solutions Architect.
  • B . Conduct prequalification interview with the end users.
  • C . All key stakeholders should review solution document.
  • D . Analyze the customer environment.

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Correct Answer: CD
Question #27

Which two actions should be taken during the design phase to ensure that Dell Technologies’ hardware and software fulfill the customer’s needs? (Select 2)

  • A . Hand-off the solution document to the Solutions Architect.
  • B . Conduct prequalification interview with the end users.
  • C . All key stakeholders should review solution document.
  • D . Analyze the customer environment.

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Correct Answer: CD
Question #27

Which two actions should be taken during the design phase to ensure that Dell Technologies’ hardware and software fulfill the customer’s needs? (Select 2)

  • A . Hand-off the solution document to the Solutions Architect.
  • B . Conduct prequalification interview with the end users.
  • C . All key stakeholders should review solution document.
  • D . Analyze the customer environment.

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Correct Answer: CD
Question #27

Which two actions should be taken during the design phase to ensure that Dell Technologies’ hardware and software fulfill the customer’s needs? (Select 2)

  • A . Hand-off the solution document to the Solutions Architect.
  • B . Conduct prequalification interview with the end users.
  • C . All key stakeholders should review solution document.
  • D . Analyze the customer environment.

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Correct Answer: CD
Question #27

Which two actions should be taken during the design phase to ensure that Dell Technologies’ hardware and software fulfill the customer’s needs? (Select 2)

  • A . Hand-off the solution document to the Solutions Architect.
  • B . Conduct prequalification interview with the end users.
  • C . All key stakeholders should review solution document.
  • D . Analyze the customer environment.

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Correct Answer: CD
Question #27

Which two actions should be taken during the design phase to ensure that Dell Technologies’ hardware and software fulfill the customer’s needs? (Select 2)

  • A . Hand-off the solution document to the Solutions Architect.
  • B . Conduct prequalification interview with the end users.
  • C . All key stakeholders should review solution document.
  • D . Analyze the customer environment.

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Correct Answer: CD
Question #27

Which two actions should be taken during the design phase to ensure that Dell Technologies’ hardware and software fulfill the customer’s needs? (Select 2)

  • A . Hand-off the solution document to the Solutions Architect.
  • B . Conduct prequalification interview with the end users.
  • C . All key stakeholders should review solution document.
  • D . Analyze the customer environment.

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Correct Answer: CD
Question #27

Which two actions should be taken during the design phase to ensure that Dell Technologies’ hardware and software fulfill the customer’s needs? (Select 2)

  • A . Hand-off the solution document to the Solutions Architect.
  • B . Conduct prequalification interview with the end users.
  • C . All key stakeholders should review solution document.
  • D . Analyze the customer environment.

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Correct Answer: CD

Question #27

Which two actions should be taken during the design phase to ensure that Dell Technologies’ hardware and software fulfill the customer’s needs? (Select 2)

  • A . Hand-off the solution document to the Solutions Architect.
  • B . Conduct prequalification interview with the end users.
  • C . All key stakeholders should review solution document.
  • D . Analyze the customer environment.

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Correct Answer: CD
Question #27

Which two actions should be taken during the design phase to ensure that Dell Technologies’ hardware and software fulfill the customer’s needs? (Select 2)

  • A . Hand-off the solution document to the Solutions Architect.
  • B . Conduct prequalification interview with the end users.
  • C . All key stakeholders should review solution document.
  • D . Analyze the customer environment.

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Correct Answer: CD
Question #27

Which two actions should be taken during the design phase to ensure that Dell Technologies’ hardware and software fulfill the customer’s needs? (Select 2)

  • A . Hand-off the solution document to the Solutions Architect.
  • B . Conduct prequalification interview with the end users.
  • C . All key stakeholders should review solution document.
  • D . Analyze the customer environment.

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Correct Answer: CD
Question #44

Available site checks for XOR copy on another online VDC.

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Correct Answer: A
Question #45

Which factors should be monitored to ensure optimal ECS performance during peak usage times?

  • A . Temperature of the server room
  • B . Latency and error rates of API calls
  • C . CPU and GPU utilization rates
  • D . Memory allocation and paging rates

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Correct Answer: BCD
Question #46

When designing a solution on ECS, which of the following node types is best suited for a high-throughput data processing workflow?

  • A . General-purpose compute node
  • B . High Memory node
  • C . GPU-accelerated compute node
  • D . Storage-optimized node

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Correct Answer: C
Question #47

For an ECS cluster, which protocol is best suited for web-based applications that require secure data transfer?

  • A . HTTPS
  • B . RPC
  • C . FTPS
  • D . Telnet

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Correct Answer: A
Question #48

What are the two considerations for designing ECS replication groups in an archive solution? (Select 2)

  • A . Fast ingest on EXF900 may speed up the replication process and reduce RPO.
  • B . WAN latency may create performance bottlenecks during remote reads.
  • C . Global replication groups are mandatory in a two or more ECS VDC setup.
  • D . Limit the number of replication groups to reduce indexing overhead.

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Correct Answer: BD
Question #49

Which type of traffic is associated with the management of the nodes between ECS racks?

  • A . Cluster
  • B . Replication
  • C . Segment
  • D . Inter-node

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Correct Answer: A
Question #50

What type of routing does ECS use for network separation?

  • A . Source-based
  • B . Source-based and target-based
  • C . Target-based
  • D . Protocol-based

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Correct Answer: A

Question #51

A service provider with a 64 node ECS in a single VDC requires logical separation of data for each tenant. All tenants would like to use 12+4 erasure coding scheme for data protection.

What is the recommended way to configure ECS?

  • A . Create a single storage pool with one replication group per tenant.
  • B . Create a single storage pool with one or more namespaces per tenant.
  • C . Create a single storage pool per tenant with the same replication group.
  • D . Create a single namespace with one bucket per tenant.

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Correct Answer: B
Question #52

Which ECS EX-series model supports SSD drives only?

  • A . EX300
  • B . EXF900
  • C . EX500
  • D . EX5000

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Correct Answer: B
Question #53

A company has recently implemented ECS EX500 nodes for two in-house applications. There is a defined bucket for the data of each application. The storage administration team is receiving complaints about the performance difference in the two applications.

Why is the performance different between the two buckets?

  • A . One bucket is using flash drives, and the other bucket is using SATA drives.
  • B . Neither bucket is using a load balancer.
  • C . One bucket is configured with a load balancer, and the other bucket has no load balancer.
  • D . One bucket is using NFS, and the other bucket is using S3.

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Correct Answer: D
Question #54

In differentiating between protection configurations, which option provides the highest level of data durability for ECS object storage?

  • A . Single-copy storage in one Availability Zone
  • B . Data replication across multiple Availability Zones within a region
  • C . Encryption at rest only, without additional replication
  • D . Storing backups on physical media offsite

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Correct Answer: B
Question #55

What is the minimum number of VDCs that can be managed as a federation?

  • A . 3
  • B . 4
  • C . 2
  • D . 5

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Correct Answer: C
Question #56

Which is the functionality that only a full-featured load balancer offers?

  • A . Quality of Service
  • B . Application routing to the specific storage nodes
  • C . DNS routing from the FQDN
  • D . Managing Network Address Translation

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Correct Answer: D
Question #57

What is NOT a recommended activity in the solutions design process for an ECS deployment focused on machine learning tasks?

  • A . Ignoring the importance of data privacy and security
  • B . Benchmarking different machine learning frameworks
  • C . Selecting appropriate GPU-accelerated nodes
  • D . Evaluating different data preprocessing methods

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Correct Answer: A
Question #58

What monitoring capability is critical for ensuring the security and performance of ECS applications?

  • A . Tracking the number of coffee breaks taken by the operations team
  • B . Real-time detection of unauthorized access attempts
  • C . Monitoring the ambient temperature outside the data center
  • D . Counting the number of emails sent by the application

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Correct Answer: B
Question #59

For a mission-critical application that requires 99.99% availability, which ECS networking solution components should be implemented?

  • A . Multiple Availability Zones deployment
  • B . Single instance deployment in one Availability Zone
  • C . Application Load Balancers with health checks
  • D . Network Load Balancers for TCP traffic

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Correct Answer: ACD
Question #60

What is a primary consideration when optimizing performance for a data-heavy ECS application?

  • A . The brand of hardware in use
  • B . Efficient data indexing and query optimization
  • C . The color depth of display monitors
  • D . The physical location of the development team

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Correct Answer: B

Question #61

When designing an ECS network for a large-scale, distributed application, which of the following would be least important?

  • A . Ensuring low-latency connectivity between regions
  • B . The brand of server hardware used in the ECS environment
  • C . Implementing redundancy across multiple availability zones
  • D . Using direct connect or VPN connections for secure, private connectivity

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Correct Answer: B
Question #62

A customer must implement a mission-critical, high-performance application and physically separate the data into an ECS cluster.

Which platform meets these requirements?

  • A . EX5000D
  • B . EXF900
  • C . EX5000S
  • D . EX500

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Correct Answer: B
Question #63

What factor has the least impact on ECS performance?

  • A . Choice of storage media (SSD vs. HDD)
  • B . Color scheme of the user interface
  • C . Network bandwidth and throughput
  • D . Type of workload (compute-intensive vs. memory-intensive)

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Correct Answer: B
Question #64

When designing resiliency for potential failure scenarios in ECS, which of the following is least effective?

  • A . Multi-region deployment for critical services
  • B . Regular vulnerability assessments and patching
  • C . Relying solely on physical security measures
  • D . Implementing robust data encryption techniques

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Correct Answer: C
Question #65

Which is true regarding access to data in multiple namespaces?

  • A . The system administrator can access objects on any namespace.
  • B . Different authentication providers can authenticate the object user for the different namespaces.
  • C . The namespace administrator can give a traditional object user access to multiple namespaces.
  • D . Only an S3 IAM user can be given access to multiple namespaces.

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Correct Answer: D
Question #66

Which ECS Portal dashboard panel displays the RPO?

  • A . Geo monitoring
  • B . Capacity utilization
  • C . Performance
  • D . Storage efficiency

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Correct Answer: A
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