Tüm alıştırma soruları

A company hosts its static website assets, such as images and stylesheets, in an Amazon S3 bucket. The company wants to reduce latency for global users accessing these assets and reduce the request load on the S3 bucket.

Which solution should a solutions architect recommend to meet these requirements?

A company hosts a critical web application on Amazon EC2 instances behind an Application Load Balancer (ALB) in the us-west-2 Region. The application queries a Multi-AZ Amazon RDS DB instance. The company wants to implement an active-passive disaster recovery (DR) strategy with a Recovery Time Objective (RTO) of under 2 minutes. The passive site consists of a static maintenance website hosted in an Amazon S3 bucket in the us-east-1 Region. The system must automatically redirect users to the maintenance page if the primary application servers or the database fail. Which configuration should a solutions architect implement to meet these requirements?

A media company hosts a containerized microservice on Amazon ECS using AWS Fargate that runs continuously to handle steady-state traffic. The company wants to optimize its compute costs over a 1-year period. Which strategy will provide the most cost-effective compute purchasing strategy for this workload?

An online auction platform experiences massive spikes in read and write traffic during the final minutes of high-profile auctions. The system requires sub-millisecond latency for retrieving item details, and must handle a write rate of over $80,000$ updates per second for bid submissions. The database architecture must scale dynamically to handle these bursts without throttling. Which combination of database configurations will meet these performance requirements? (Select TWO.)

A financial analytics firm is deploying a high-frequency risk assessment platform on AWS. The application uses a distributed, memory-intensive computing grid on Amazon EC2 instances to process real-time market feeds. The compute nodes must exchange state data with node-to-node network latency of less than 10 microseconds. The platform receives incoming market data streams via UDP on port 9999. A Network Load Balancer (NLB) is used to distribute the incoming UDP traffic across the EC2 instances. To monitor the health of the risk assessment application, a management service runs on TCP port 8080 on each instance. The instance fleet must scale dynamically based on CPU utilization.

Which combination of placement strategy and load balancer configuration should a Solutions Architect recommend to satisfy these requirements?

A logistics company uploads daily vehicle telemetry reports averaging $10\text{ MB}$ to an Amazon S3 Standard bucket. The files are accessed frequently for the first $30$ days, after which they are rarely accessed. The reports must be retained for a total of $90$ days and can then be deleted.

Which TWO configurations should a solutions architect implement in an S3 Lifecycle policy to meet these requirements cost-effectively?

A company runs a web application in the $us-west-2$ Region that serves global clients. Users in Europe are experiencing high latency due to TCP handshake overhead across the public internet. Additionally, the company's on-premises data center needs to transfer daily database backups of approximately $5\text{ GB}$ to an Amazon S3 bucket in the same Region. The on-premises transfer requires a minimum of $2\text{ Gbps}$ bandwidth over a secure connection, but the current network setup is unable to scale beyond $1.25\text{ Gbps}$ throughput. Which TWO configurations should a solutions architect implement to address the user latency and network throughput requirements?

A solutions architect is designing a high-performance computing (HPC) database application on Amazon EC2. The database nodes require maximum network performance and the lowest possible latency for node-to-node communication. Which configuration should the solutions architect use to meet these network performance requirements?

A solutions architect is designing a database solution for a web application that displays real-world financial indices. The application runs on Amazon RDS for MySQL. The database workload is highly read-heavy, with a read-to-write ratio of $10:1$, and requires read latencies of less than $10$ milliseconds. During peak market hours, the CPU utilization on the database instance reaches $90\%$, resulting in latency spikes. Which action should the solutions architect take to improve database read performance?

A company is migrating a legacy application from an on-premises data center to Amazon EC2 instances. The application consists of both Linux and Windows servers that must concurrently access a shared file system. The application requires support for both NFS and SMB protocols, along with block-level storage access via iSCSI. The storage solution must deliver sub-millisecond latency and support thin provisioning to optimize storage usage. Which combination of actions should a solutions architect take to meet these requirements? (Select TWO.)

A healthcare provider is designing a data ingestion pipeline to collect real-time health metrics from $20,000$ patient monitoring devices. Each device transmits a $4\text{ KB}$ JSON payload every $10\text{ seconds}$ to a public endpoint. The provider needs to ingest these payloads, transform them into Apache Parquet format, and save them to Amazon S3. The data must be queryable in Amazon Athena within $3\text{ minutes}$ of generation. Additionally, the chronological order of records sent by each device must be maintained during ingestion to ensure clinical analysis accuracy. The architecture must scale dynamically to handle peak traffic with minimal management overhead. Which architecture meets these requirements?

A company has a hybrid network architecture where their on-premises database must replicate data to multiple Amazon RDS instances deployed across three VPCs in the AWS Cloud. The replication workload requires a continuous, low-latency connection with a guaranteed throughput of $4\text{ Gbps}$. The architecture must be highly available and resilient to single points of failure. Which TWO steps should the solutions architect take to design a high-performing and scalable network architecture that meets these requirements? (Select TWO.)

A company's reporting application queries an Amazon RDS for PostgreSQL database. During business hours, the database experiences high CPU utilization and performance degradation due to a high volume of read-only queries. A solutions architect needs to design a solution to offload the read traffic and reduce database latency. Which solution will meet these requirements?

A security and analytics company collects telemetry data and daily aggregated summaries from IoT sensors.

The data characteristics are as follows:

* Telemetry Reports: Average file size of $80\text{ KB}$, with $10\text{ million}$ new files generated daily. The files are frequently analyzed for $10\text{ days}$, after which they are rarely accessed. They must be deleted after $90\text{ days}$.
* Aggregated Summaries: Average file size of $5\text{ MB}$, with $10,000\text{ new files}$ generated daily. They are frequently accessed for $45\text{ days}$. Between day $46$ and day $90$, they are accessed occasionally (one or two times per month). After day $90$, they are rarely accessed but must be retained indefinitely for long-term audit purposes, with a recovery time of up to $12\text{ hours}$ acceptable.

Which two S3 Lifecycle configurations will provide the most cost-effective solution for this data? (Select TWO.)

A genomics research organization is deploying a pipeline on AWS to perform real-time DNA sequence alignment. The workload requires a cluster of compute-intensive EC2 instances that need to exchange large datasets continuously with sub-millisecond node-to-node latency. A fleet of worker instances is managed by an Auto Scaling group behind an Application Load Balancer (ALB). The containerized alignment application runs on the instances and is configured to bind to custom TCP port 8443, while the ALB exposes HTTPS port 443 to external clients. The system must maximize node-to-node network performance and ensure the Auto Scaling group scales correctly without falsely terminating healthy instances. Which combination of actions should a solutions architect perform to satisfy these requirements? (Select TWO.)

A solutions architect is deploying a high-performance distributed application on Amazon EC2 instances in a private subnet. The application nodes require low-latency node-to-node network communication. An Application Load Balancer (ALB) routes traffic to the application, which listens on custom port 8080.

Which combination of configurations will meet these requirements? (Select TWO.)

A media publishing platform hosts its static assets in an Amazon S3 bucket and distributes them globally via an Amazon CloudFront distribution. During a high-traffic breaking news event, the Amazon S3 bucket experiences a massive surge in read requests, leading to performance degradation and high costs. An investigation reveals that a developer set the CloudFront cache behavior TTL values to 0 to ensure that readers always receive the most up-to-date images and CSS files. Which solution should a solutions architect implement to resolve the S3 performance issue while ensuring users still receive updated assets immediately?

A company is designing a $3$-year cost-optimization strategy for a web application deployed on AWS. The application consists of the following components:
- A containerized API hosted on Amazon ECS with AWS Fargate that requires a steady-state baseline of $4\text{ vCPUs}$ and $8\text{ GB}$ of RAM. During peak hours, the API dynamically scales up to $16\text{ vCPUs}$ and $32\text{ GB}$ of RAM.
- A batch processing job that runs once daily for $3\text{ hours}$. The job is fault-tolerant, can be interrupted without loss of progress, and requires a minimum of $8\text{ vCPUs}$.
- An Amazon DynamoDB table that stores user sessions. The table experiences highly unpredictable, spiky traffic patterns with long periods of inactive idle time.

Which combination of compute purchasing models and database capacity settings will provide the most cost-effective architecture?

A financial technology company runs a real-time ledger application that processes high-frequency ledger entries. The transaction volume peaks at $25,000$ write operations per second. The application uses an Amazon DynamoDB table with a partition key of `AccountID` (UUID) and a sort key of `TransactionTimestamp`. During peak trading hours, transactions for a few high-volume institutional accounts are throttled with `ProvisionedThroughputExceededException` errors, even though the table's total read and write capacities are scaled using on-demand mode. The application requires consistent sub-second write response times and must retrieve transactions for any account sorted chronologically. Which database optimization strategy should a solutions architect recommend to resolve the throttling issue while meeting the performance requirements?

An advertising technology platform generates temporary campaign performance report files that average $45\text{ MB}$ in size. These reports are queried frequently by analytics tools for exactly $10\text{ days}$ after creation, after which they are no longer needed and must be deleted. A solutions architect needs to design a cost-optimized storage strategy for these files. Which strategy will meet these requirements at the lowest cost?