Amazon AWS Certified Cloud Practitioner CLF-C02 Practice Test 56
Question 550
A business rarely accesses certain long-lived backup files but needs them rapidly when requested. Which AWS service or cloud concept is the MOST direct match for this need?
- S3 Glacier Deep Archive
- S3 Standard-IA
- Amazon EFS
- AWS Backup
Explanation
Correct Answer
B:S3 Standard-IA fits the need because s3 Standard-IA has lower storage charges but access and minimum-duration considerations compared with frequently accessed classes. The relevant capability or responsibility is: Use S3 Standard-IA for infrequently accessed objects with rapid access needs.
Incorrect Answers
A:S3 Glacier Deep Archive is associated with a different use case: a regulator requires long-term retention of records that will almost never be retrieved. Deep Archive prioritizes low storage cost and accepts retrieval delays, unlike immediately accessed S3 classes. The question instead focuses on a business rarely accesses certain long-lived backup files but needs them rapidly when requested; S3 Standard-IA is the more direct match.
C:Amazon EFS shared files is associated with a different use case: multiple Linux EC2 instances require a shared elastic file system supporting common file semantics. EFS is a managed elastic network file system for supported Linux workloads, unlike S3 object API storage. The question instead focuses on a business rarely accesses certain long-lived backup files but needs them rapidly when requested; S3 Standard-IA is the more direct match.
D:AWS Backup is associated with a different use case: a company needs centralized policies and visibility across supported AWS resource backups. AWS Backup centralizes backup administration across supported resources; it is separate from normal object lifecycle transitions. The question instead focuses on a business rarely accesses certain long-lived backup files but needs them rapidly when requested; S3 Standard-IA is the more direct match.
Question 551
A business wants dashboards and business intelligence over curated organizational data. Which AWS service or cloud concept is the MOST direct match for this need?
- Amazon EMR
- Amazon Rekognition
- Amazon Quick
- Amazon SageMaker AI
Explanation
Correct Answer
C:Amazon Quick fits the need because amazon Quick is the current AWS branding for business intelligence capabilities previously associated with QuickSight. The relevant capability or responsibility is: Use Amazon Quick for supported business intelligence and analytics experiences.
Incorrect Answers
A:Amazon EMR is associated with a different use case: a team wants managed compute for large-scale big-data frameworks such as Apache Spark. EMR runs supported distributed analytics frameworks and is not a relational transaction service. The question instead focuses on a business wants dashboards and business intelligence over curated organizational data; Amazon Quick is the more direct match.
B:Amazon Rekognition is associated with a different use case: a media team wants managed analysis of image or video content without developing its own vision model. Rekognition applies pretrained computer vision to supported image and video analysis tasks. The question instead focuses on a business wants dashboards and business intelligence over curated organizational data; Amazon Quick is the more direct match.
D:Amazon SageMaker AI is associated with a different use case: a machine learning team needs tools to build and deploy custom ML models. SageMaker AI supports building, training and deploying ML models rather than simply translating text. The question instead focuses on a business wants dashboards and business intelligence over curated organizational data; Amazon Quick is the more direct match.
Question 552
A research team runs flexible batch processing jobs that can tolerate interruption. Which AWS service or cloud concept is the MOST direct match for this need?
- EC2 Reserved Instances
- Dedicated Hosts
- Savings Plans
- EC2 Spot Instances
Explanation
Correct Answer
D:EC2 Spot Instances fits the need because eC2 Spot Instances offer discounted unused capacity but can be reclaimed with interruption notices. The relevant capability or responsibility is: Use spare EC2 capacity at a discount with interruption risk.
Incorrect Answers
A:Reserved Instances is associated with a different use case: an enterprise runs a predictable EC2 workload and can make a qualifying commitment. Reserved Instances offer pricing benefits for qualifying EC2 usage with a term commitment and specified attributes. The question instead focuses on a research team runs flexible batch processing jobs that can tolerate interruption; EC2 Spot Instances is the more direct match.
B:Dedicated Hosts is associated with a different use case: an organization needs a physical host dedicated to its account for certain licensing or compliance needs. Dedicated Hosts supply dedicated EC2 physical server capacity with characteristics useful for supported bring-your-own-license needs. The question instead focuses on a research team runs flexible batch processing jobs that can tolerate interruption; EC2 Spot Instances is the more direct match.
C:Savings Plans is associated with a different use case: a business expects steady eligible compute spending and can commit to a consistent hourly amount. Savings Plans provide discounts for covered usage in exchange for a one- or three-year commitment to an hourly spend amount. The question instead focuses on a research team runs flexible batch processing jobs that can tolerate interruption; EC2 Spot Instances is the more direct match.
Question 553
A learner is explaining Amazon Route 53 to colleagues facing this situation: a business needs a managed DNS service for resolving public application domain names. Which explanation is MOST accurate?
- Route 53 supplies managed DNS records and routing policies, rather than acting as a virtual machine host.
- A VPC is a logically isolated virtual network in which customers can organize subnets, routes and connectivity.
- VPC network ACLs apply to subnets and are stateless, unlike security groups' stateful behavior.
- Site-to-Site VPN provides encrypted tunnels using internet-based connectivity, subject to supported gateway arrangements.
Explanation
Correct Answer
A:Route 53 supplies managed DNS records and routing policies, rather than acting as a virtual machine host. The explanation directly connects Amazon Route 53 to use Amazon Route 53 for managed DNS and related domain routing features for the stated requirement.
Incorrect Answers
B:This statement is true of Amazon VPC, which addresses a team wants a logically isolated network environment for its AWS compute resources. It does not explain the particular role of Amazon Route 53; Route 53 supplies managed DNS records and routing policies, rather than acting as a virtual machine host.
C:This statement is true of Network ACLs, which addresses a VPC owner needs network traffic rules at the subnet boundary and wants stateless filtering. It does not explain the particular role of Amazon Route 53; Route 53 supplies managed DNS records and routing policies, rather than acting as a virtual machine host.
D:This statement is true of AWS Site-to-Site VPN, which addresses a company wants an encrypted tunnel between an office network and its AWS VPC over the internet. It does not explain the particular role of Amazon Route 53; Route 53 supplies managed DNS records and routing policies, rather than acting as a virtual machine host.
Question 554
Which AWS service or cloud principle is the BEST fit for this outcome or responsibility: meet this requirement: a government customer requires that certain datasets be stored in a specified legal jurisdiction?
- Multiple Availability Zones
- Data sovereignty Region choice
- Availability Zone
- AWS Global Accelerator
Explanation
Correct Answer
B:Data sovereignty Region choice directly addresses this outcome. Region choice is a customer decision for residency compliance, subject to service availability and contractual requirements. A common relevant example is: a government customer requires that certain datasets be stored in a specified legal jurisdiction.
Incorrect Answers
A:Multiple Availability Zones instead focuses on a different requirement, such as an application must remain available if one Availability Zone experiences an outage. Multi-AZ deployments can avoid a single-AZ failure taking down the whole application. It is not the primary match for the requirement described here: meet this requirement: a government customer requires that certain datasets be stored in a specified legal jurisdiction.
C:Availability Zone instead focuses on a different requirement, such as a service must use separate isolated locations within one selected AWS Region. Availability Zones are distinct locations within a Region designed to reduce shared failure risks. It is not the primary match for the requirement described here: meet this requirement: a government customer requires that certain datasets be stored in a specified legal jurisdiction.
D:AWS Global Accelerator instead focuses on a different requirement, such as an internet-facing app has regional endpoints and needs stable global entry points for traffic routing. Global Accelerator provides static anycast IP addresses and routes traffic over the AWS global network to healthy endpoints. It is not the primary match for the requirement described here: meet this requirement: a government customer requires that certain datasets be stored in a specified legal jurisdiction.
Question 555
A project manager compares EC2 Spot Instances with other AWS concepts while considering this need: a research team runs flexible batch processing jobs that can tolerate interruption. Which pairing assigns the responsibilities or benefits correctly?
- EC2 Spot Instances: trade some flexibility for eligible discounted capacity or spending commitments; Compute commitment flexibility: meet this requirement: a research team runs flexible batch processing jobs that can tolerate interruption
- EC2 Spot Instances: reserve eligible compute capacity without necessarily purchasing a usage discount; On-Demand Capacity Reservations: meet this requirement: a research team runs flexible batch processing jobs that can tolerate interruption
- EC2 Spot Instances: meet this requirement: a research team runs flexible batch processing jobs that can tolerate interruption; On-Demand Capacity Reservations: reserve eligible compute capacity without necessarily purchasing a usage discount
- EC2 Spot Instances: account for service- and route-dependent data transfer pricing; AWS data transfer charges: meet this requirement: a research team runs flexible batch processing jobs that can tolerate interruption
Explanation
Correct Answer
C:The first pairing identifies EC2 Spot Instances with its actual role: use spare EC2 capacity at a discount with interruption risk. EC2 Spot Instances offer discounted unused capacity but can be reclaimed with interruption notices. The comparison is valid because On-Demand Capacity Reservations instead addresses reserve eligible compute capacity without necessarily purchasing a usage discount.
Incorrect Answers
A:The roles are swapped. Compute commitment flexibility is associated with trade some flexibility for eligible discounted capacity or spending commitments; EC2 Spot Instances instead has the role: Use spare EC2 capacity at a discount with interruption risk. EC2 Spot Instances offer discounted unused capacity but can be reclaimed with interruption notices.
B:The roles are swapped. On-Demand Capacity Reservations is associated with reserve eligible compute capacity without necessarily purchasing a usage discount; EC2 Spot Instances instead has the role: Use spare EC2 capacity at a discount with interruption risk. EC2 Spot Instances offer discounted unused capacity but can be reclaimed with interruption notices.
D:The roles are swapped. AWS data transfer charges is associated with account for service- and route-dependent data transfer pricing; EC2 Spot Instances instead has the role: Use spare EC2 capacity at a discount with interruption risk. EC2 Spot Instances offer discounted unused capacity but can be reclaimed with interruption notices.
Question 556
An organization needs a physical host dedicated to its account for certain licensing or compliance needs. Which AWS service or cloud concept is the MOST direct match for this need?
- Savings Plans
- Compute commitment flexibility
- On-Demand Capacity Reservations
- Dedicated Hosts
Explanation
Correct Answer
D:Dedicated Hosts fits the need because dedicated Hosts supply dedicated EC2 physical server capacity with characteristics useful for supported bring-your-own-license needs. The relevant capability or responsibility is: Use Dedicated Hosts when eligible licensing requires host visibility and control.
Incorrect Answers
A:Savings Plans is associated with a different use case: a business expects steady eligible compute spending and can commit to a consistent hourly amount. Savings Plans provide discounts for covered usage in exchange for a one- or three-year commitment to an hourly spend amount. The question instead focuses on an organization needs a physical host dedicated to its account for certain licensing or compliance needs; Dedicated Hosts is the more direct match.
B:Compute commitment flexibility is associated with a different use case: finance wants to compare flexible compute consumption with paying less under a usage commitment. Commitment options can lower qualifying compute costs, but suitability depends on sustained predictable usage and terms. The question instead focuses on an organization needs a physical host dedicated to its account for certain licensing or compliance needs; Dedicated Hosts is the more direct match.
C:On-Demand Capacity Reservations is associated with a different use case: a business needs assurance that EC2 capacity will be available in a chosen Availability Zone for a planned event. An On-Demand Capacity Reservation addresses EC2 capacity availability rather than by itself providing a commitment pricing reduction. The question instead focuses on an organization needs a physical host dedicated to its account for certain licensing or compliance needs; Dedicated Hosts is the more direct match.
Question 557
A learner is explaining Amazon ElastiCache to colleagues facing this situation: a shopping service needs fast in-memory access to frequently requested session information. Which explanation is MOST accurate?
- ElastiCache reduces repeated backend reads by keeping appropriate data in memory for fast access.
- Neptune supports graph data models for workloads centered on relationships among connected entities.
- DynamoDB supports key-value and document data models and is not a general-purpose relational SQL database.
- RDS manages selected database infrastructure work for relational workloads, while users still control database schema and access.
Explanation
Correct Answer
A:ElastiCache reduces repeated backend reads by keeping appropriate data in memory for fast access. The explanation directly connects Amazon ElastiCache to use Amazon ElastiCache for managed in-memory caching for the stated requirement.
Incorrect Answers
B:This statement is true of Amazon Neptune, which addresses a fraud team needs to query relationships and connections among entities. It does not explain the particular role of Amazon ElastiCache; ElastiCache reduces repeated backend reads by keeping appropriate data in memory for fast access.
C:This statement is true of Amazon DynamoDB, which addresses a game needs low-latency access to large volumes of key-value player state without managing servers. It does not explain the particular role of Amazon ElastiCache; ElastiCache reduces repeated backend reads by keeping appropriate data in memory for fast access.
D:This statement is true of Amazon RDS relational database, which addresses a web application needs a managed relational database that supports SQL queries and transactions. It does not explain the particular role of Amazon ElastiCache; ElastiCache reduces repeated backend reads by keeping appropriate data in memory for fast access.
Question 558
Within the Security and Compliance domain, which business example MOST clearly illustrates AWS S3 infrastructure durability, rather than a different AWS concept?
- A Lambda function processes user data using application code written by a development team
- A customer asks who maintains the physical storage systems used by Amazon S3
- A company uses EC2 but asks who maintains the hardware supporting its virtual machines
- An organization must decide which employees can read an S3 bucket in its AWS account
Explanation
Correct Answer
B:The decisive requirement is: AWS operates and maintains the managed S3 storage infrastructure. This is the role of AWS S3 infrastructure durability. AWS handles service infrastructure, while customers still control object permissions, classifications and retention requirements.
Incorrect Answers
A:This describes a scenario for Customer Lambda function code: the customer is responsible for the function code and its business logic. Serverless eliminates server administration for the customer, not their responsibility for their own application code and data handling. It is not the most direct example of AWS S3 infrastructure durability.
C:This describes a scenario for AWS EC2 host infrastructure: aWS maintains the physical host and underlying cloud virtualization infrastructure. AWS is responsible for facilities, physical servers and underlying cloud infrastructure for EC2. It is not the most direct example of AWS S3 infrastructure durability.
D:This describes a scenario for Customer IAM permissions: the customer configures identity permissions for access to its own data. Even on a managed AWS service, customers remain responsible for authorizing who can access their data. It is not the most direct example of AWS S3 infrastructure durability.
Question 559
A business process needs a coordinated sequence of several AWS service tasks with branching states. Which AWS service or cloud concept is the MOST direct match for this need?
- AWS IoT Core
- Amazon EventBridge
- AWS Step Functions
- Amazon SQS
Explanation
Correct Answer
C:AWS Step Functions fits the need because step Functions models stateful application workflows and service coordination rather than storing the business records. The relevant capability or responsibility is: Use AWS Step Functions for managed workflow orchestration.
Incorrect Answers
A:AWS IoT Core is associated with a different use case: a manufacturer wants connected devices to exchange messages securely with cloud applications. IoT Core helps connect and manage communications with devices, not an end-user email service. The question instead focuses on a business process needs a coordinated sequence of several AWS service tasks with branching states; AWS Step Functions is the more direct match.
B:Amazon EventBridge is associated with a different use case: a SaaS app emits business events that must be routed to different AWS targets based on rules. EventBridge matches events against rules and directs them to supported targets. The question instead focuses on a business process needs a coordinated sequence of several AWS service tasks with branching states; AWS Step Functions is the more direct match.
D:Amazon SQS is associated with a different use case: an order processing system wants queued messages so producers and workers do not need to run at the same speed. SQS buffers work items for asynchronous consumption, unlike a publish-subscribe notification fan-out service. The question instead focuses on a business process needs a coordinated sequence of several AWS service tasks with branching states; AWS Step Functions is the more direct match.
Question 560
A learner is explaining VPC subnets to colleagues facing this situation: an administrator needs separate IP address ranges for application and database resources within one VPC. Which explanation is MOST accurate?
- Site-to-Site VPN provides encrypted tunnels using internet-based connectivity, subject to supported gateway arrangements.
- Route 53 supplies managed DNS records and routing policies, rather than acting as a virtual machine host.
- Transit Gateway acts as a regional routing hub for supported VPC and network attachments.
- Each subnet belongs to one Availability Zone and can have network and routing controls.
Explanation
Correct Answer
D:Each subnet belongs to one Availability Zone and can have network and routing controls. The explanation directly connects VPC subnets to use VPC subnets to divide VPC address space into smaller networks for the stated requirement.
Incorrect Answers
A:This statement is true of AWS Site-to-Site VPN, which addresses a company wants an encrypted tunnel between an office network and its AWS VPC over the internet. It does not explain the particular role of VPC subnets; Each subnet belongs to one Availability Zone and can have network and routing controls.
B:This statement is true of Amazon Route 53, which addresses a business needs a managed DNS service for resolving public application domain names. It does not explain the particular role of VPC subnets; Each subnet belongs to one Availability Zone and can have network and routing controls.
C:This statement is true of AWS Transit Gateway, which addresses a company needs a central networking hub connecting multiple VPCs and applicable on-premises networks. It does not explain the particular role of VPC subnets; Each subnet belongs to one Availability Zone and can have network and routing controls.