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A multimedia analytics startup stores JSON summaries and thumbnails in a single Amazon S3 bucket (average object size 200 KB; ~80,000 new objects per hour; both reads and writes by the application); The company must deploy identical application stacks in two AWS Regions (us-east-1 and ap-southeast-2) to reduce latency, support writes from both Regions, provide a single data access endpoint for the application, accept eventual consistency with replication lag under 15 minutes, require only minimal application code changes, and achieve the least operational overhead—which solution should the company implement?
A fintech startup operates a currency-quotation API on AWS for a compliance program that will last the next 3 years. The API runs on 20 Amazon EC2 On-Demand Instances registered in a target group behind a Network Load Balancer (NLB) across two Availability Zones. The service is stateless and runs 24x7. Users report slow responses; metrics show average CPU at 10% during normal traffic, but CPU spikes to 100% during market open hours for a few hours each day. The company needs a new architecture that resolves latency during spikes while minimizing cost over the 3-year period. Which solution is the MOST cost-effective?
A fintech firm runs a risk analytics tool on Windows VMs in a co-location facility, and the tool reads and writes to a 65 TB shared file repository over SMB with an average daily change rate of about 100 GB. The firm wants to move the shared storage to Amazon S3 for durability and cost, but the application will not be refactored to use native S3 APIs for another 4 months. During this period, the on-premises application must continue to access the same dataset via SMB with minimal client changes, and the cutover must not require running file servers in AWS. A solutions architect must migrate the data to its new S3 location while ensuring uninterrupted SMB access from on premises during and after migration. Which solution will meet these requirements?
A healthcare analytics enterprise operates an AWS Organizations organization with 320 member accounts across three Regions (us-east-1, us-west-2, and eu-west-1) and needs to enforce baseline protection against the OWASP Top 10 by using AWS WAF on all existing and new Application Load Balancers (ALBs) in every account within those Regions; which combination of steps should the solutions architect take to centrally apply and continuously enforce this protection across the organization? (Choose three.)
An ad-tech company operates 12 microservices across dev, staging, and prod and manages IaC with AWS CDK while storing synthesized templates and container artifacts in Amazon S3 and Amazon ECR with versioning enabled; developers connect to a single Amazon EC2 Linux workstation that hosts an IDE to pull artifacts from S3/ECR, run unit tests locally, and push updates back, but the team now wants to modernize by implementing CI/CD with AWS CodePipeline with the following requirements: use AWS CodeCommit for source control, automatically run unit tests and security scanning on every commit to the main and release/* branches, alert the team within 2 minutes when unit tests fail, allow dynamic feature toggles to turn specific APIs on/off and customize environment configuration during the pipeline, and require the lead developer to approve before promotion to production; which solution best meets these requirements?
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A real-time multiplayer gaming platform is deploying a session state and matchmaking service on a fleet of Amazon EC2 instances where one coordinator node and ten worker nodes must share and replicate hot game-state shards entirely in memory, the coordinator monitors node health, ingests up to 250,000 player events per second, dispatches work to workers, and aggregates responses, worker nodes perform frequent east-west replication to maintain sub-millisecond consistency, and the company requires the absolute lowest possible instance-to-instance network latency within a single Availability Zone to maximize throughput and minimize tail latency; which solution will meet these requirements?
A mobility analytics startup needs to ingest telemetry from connected e-bikes every 60 seconds to calculate usage-based insurance rates. Each device sends JSON payloads to Amazon API Gateway, which invokes an AWS Lambda function that writes normalized records to an Amazon DynamoDB table. During a limited beta (2,000 bikes), the Lambda invocations completed in 2–4 seconds. After scaling to 35,000 bikes and adding new accelerometer and battery health metrics, the average Lambda duration increased to 70–120 seconds, and durations continue to grow as additional metrics are added. The team observes many ProvisionedThroughputExceededException errors on DynamoDB PutItem calls and frequent TooManyRequestsException errors returned from Lambda via API Gateway. Which combination of changes will most effectively remediate these issues while maintaining near-real-time processing? (Choose two.)
An international e-learning platform operates workloads for 12 cost centers across 8 AWS accounts under a single AWS Organizations management account, every resource in all accounts already carries a tag named CostCenter with the correct value, and Finance must allocate 100% of monthly and daily AWS spend to each cost center across all accounts and publish interactive dashboards by cost center within 48 hours after month end while retaining at least 12 months of history; which solution will meet these requirements?
A global logistics enterprise plans to migrate 420 VMware VMs (Windows and Linux) from two on-premises data centers to AWS and, after submitting a Migration Evaluator assessment request, requires a 21-day initial discovery that produces (1) a visualization of inter-application dependencies at port/process level and (2) a Quick Insights assessment report of the on-premises estate, and the company can deploy OVA appliances and install agents without constraints, so which approach provides the required outcomes with the LEAST operational overhead?
A regional energy utility must archive 180 TB of monthly meter reports (PDF/CSV) for 7 years and make them available only to internal staff through the corporate intranet; employees connect via an AWS Client VPN to a VPC, all access must stay private (no public endpoints), the files are duplicate copies of records also stored on offline tape, the expected request rate is fewer than 10 retrieval batches per week, and retrieval latency of up to 12 hours is acceptable with no availability or speed-of-retrieval requirements. Which solution will meet these requirements at the lowest cost?
Período de estudo: 3 months
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Período de estudo: 3 months
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Período de estudo: 1 month
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Período de estudo: 2 months
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Período de estudo: 1 month
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