Amazon SAP-C02 AWS Certified Solutions Architect – Professional (SAP-C02) Free Practice Test — 30 Questions

Question 1

A company is evaluating its cloud expenditure on AWS services and is considering switching from an On-Demand pricing model to a Reserved Instances (RIs) pricing model for its EC2 instances. The company currently runs 10 m5.large instances, each costing $0.096 per hour under the On-Demand model. If the company opts for a 1-year Reserved Instance, which offers a significant discount of 30% compared to the On-Demand pricing, what will be the total cost savings over the year if the company runs these instances continuously?

Accepted Answer

$6,048

Question 2

A financial services company is implementing a new data protection strategy to comply with the General Data Protection Regulation (GDPR). They need to ensure that personal data is encrypted both at rest and in transit. The company decides to use AWS services for this purpose. Which combination of AWS services and features would best ensure compliance with GDPR while providing robust data protection?

Accepted Answer

AWS Key Management Service (KMS) for encryption at rest and AWS Certificate Manager (ACM) for SSL/TLS certificates to encrypt data in transit

Question 3

In a cloud-based application development project, a team is tasked with creating comprehensive technical documentation to ensure seamless communication among developers, stakeholders, and end-users. The documentation must include system architecture diagrams, API specifications, and user guides. Given the importance of clarity and precision in technical documentation, which approach should the team prioritize to enhance understanding and usability across diverse audiences?

Accepted Answer

Utilize standardized templates and visual aids to present information clearly and consistently.

Question 4

A company is evaluating its cloud infrastructure costs and is considering implementing a combination of Reserved Instances (RIs) and Spot Instances to optimize its AWS spending. The company currently runs a workload that requires 100 EC2 instances, each costing $0.10 per hour on-demand. They estimate that by committing to RIs for 70% of their instances, they can reduce their costs by 40% for those instances. The remaining 30% of instances will be run as Spot Instances, which are expected to cost 60% less than the on-demand price. What will be the total cost per hour for the company\'s EC2 instances after implementing this cost optimization strategy?

Accepted Answer

$6.00

Question 5

In a microservices architecture, a company is experiencing issues with service communication and data consistency across its distributed services. They are considering implementing an event-driven architecture to improve these aspects. Which architectural pattern would best facilitate asynchronous communication and ensure eventual consistency among services in this scenario?

Accepted Answer

Event Sourcing

Question 6

A company is developing a serverless application using AWS Lambda to process incoming data from IoT devices. The application needs to handle varying loads, with peak traffic reaching up to 10,000 requests per second. The company wants to ensure that the Lambda function can scale efficiently and minimize costs. Given that the function has a memory allocation of 512 MB and executes in an average of 200 milliseconds, what is the estimated cost of running this Lambda function for one hour during peak traffic? Assume the AWS Lambda pricing is $0.00001667 per GB-second and that the free tier is not applicable in this scenario.

Accepted Answer

$20.00

Question 7

A company is evaluating the implementation of a new serverless architecture using AWS Lambda for its data processing pipeline. They need to ensure that the solution can handle variable workloads efficiently while minimizing costs. The team is considering using AWS Step Functions to orchestrate the Lambda functions and manage the workflow. What is the primary benefit of using AWS Step Functions in this scenario, particularly in relation to error handling and state management?

Accepted Answer

It allows for the automatic retry of failed tasks and maintains the state of the workflow across multiple Lambda executions.

Question 8

A company is migrating its on-premises application to AWS and needs to ensure high availability and fault tolerance. The application consists of a web front end, an application layer, and a database. The company decides to deploy the application across multiple Availability Zones (AZs) in a region. Which architecture design pattern should the company implement to achieve the desired outcome while minimizing latency and ensuring data consistency across AZs?

Accepted Answer

Multi-AZ deployment with Amazon RDS for the database and Elastic Load Balancing for the web front end

Question 9

A company is planning to migrate its on-premises application infrastructure to AWS. The application consists of a web server, application server, and a database server. The current architecture is designed for high availability and redundancy, with load balancers distributing traffic across multiple instances. As part of the migration planning, the company needs to determine the best approach to ensure minimal downtime and data integrity during the transition. Which strategy should the company adopt to effectively manage the migration while maintaining operational continuity?

Accepted Answer

Implement a blue-green deployment strategy to switch traffic between the old and new environments seamlessly.

Question 10

A company is designing a serverless application using Amazon DynamoDB to store user session data. The application is expected to handle a peak load of 10,000 requests per second, with each request resulting in a read operation that retrieves a user session record. Each session record is approximately 1 KB in size. The company wants to ensure that they provision enough read capacity units (RCUs) to handle this load while also considering the eventual consistency of reads. How many read capacity units should the company provision to meet the peak load requirements?

Accepted Answer

5,000 RCUs

Question 11

In a microservices architecture, an e-commerce platform utilizes an event-driven approach to manage inventory updates. When a customer places an order, an event is triggered that updates the inventory service. The inventory service then emits an event to notify the shipping service to prepare the order for dispatch. If the inventory service processes 100 events per minute and the shipping service can handle 80 events per minute, what is the maximum backlog of events that can accumulate in the shipping service if the inventory service operates continuously for 10 minutes without any downtime?

Accepted Answer

200 events

Question 12

In a project management scenario, a team leader is tasked with improving team collaboration and leadership effectiveness within a software development team. The leader decides to implement a new communication tool and organizes weekly brainstorming sessions. After three months, the team reports a 30% increase in project delivery speed and a 25% improvement in team satisfaction scores. However, the leader notices that while the tool is being used, some team members are still hesitant to share their ideas during the sessions. Which approach should the leader take to further enhance collaboration and ensure all team members feel comfortable contributing?

Accepted Answer

Foster an inclusive environment by actively encouraging quieter team members to share their thoughts and implementing a rotating facilitator role during brainstorming sessions.

Question 13

A company is implementing a notification system using Amazon Simple Notification Service (SNS) to alert users about critical system events. They want to ensure that messages are delivered reliably and that users can subscribe to different types of notifications based on their preferences. The company is considering the use of both SNS topics and subscriptions, as well as the integration of AWS Lambda for processing messages. Which approach should the company take to optimize message delivery and user subscription management while ensuring that the system can scale effectively?

Accepted Answer

Create multiple SNS topics for different notification types and use AWS Lambda to filter and process messages before sending them to the appropriate subscriptions.

Question 14

A multinational corporation is planning to migrate its on-premises data center to AWS to enhance its scalability and reduce operational costs. The organization has multiple departments, each with distinct workloads and compliance requirements. The IT team is tasked with designing a multi-account strategy using AWS Organizations to manage these workloads effectively. Which approach should the team take to ensure that each department can operate independently while maintaining centralized governance and security?

Accepted Answer

Implement Service Control Policies (SCPs) at the organizational unit (OU) level to enforce compliance and restrict access to specific AWS services for each department.

Question 15

A financial services company is migrating its applications to AWS and is concerned about maintaining compliance with the Payment Card Industry Data Security Standard (PCI DSS). They need to implement a solution that ensures sensitive cardholder data is encrypted both at rest and in transit. Which approach should the company take to achieve this while also ensuring that they can manage encryption keys securely?

Accepted Answer

Use AWS Key Management Service (KMS) to manage encryption keys and enable server-side encryption with AWS S3 for data at rest, while using TLS for data in transit.

Question 16

A company is deploying a microservices architecture using Amazon EKS (Elastic Kubernetes Service) to manage its containerized applications. The architecture requires a highly available setup across multiple Availability Zones (AZs) to ensure fault tolerance. The company needs to configure the EKS cluster with the appropriate node groups and scaling policies. Given that the application experiences variable workloads, what is the best approach to ensure that the EKS cluster can automatically scale the number of nodes based on demand while maintaining high availability across the AZs?

Accepted Answer

Configure the EKS cluster with an Auto Scaling Group (ASG) that spans multiple AZs and set up Cluster Autoscaler to manage the scaling of the node groups based on resource requests and limits defined in the pods.

Question 17

A company is experiencing fluctuating traffic patterns on its e-commerce platform, leading to inconsistent performance and increased costs. The architecture is currently set up with an Auto Scaling group configured to scale out based on CPU utilization. The team is considering implementing a more sophisticated Auto Scaling strategy that includes both scheduled scaling and dynamic scaling based on multiple metrics. If the team decides to implement a scheduled scaling policy to handle predictable traffic spikes during holiday sales, how should they configure the scaling actions to ensure optimal resource utilization while minimizing costs?

Accepted Answer

Schedule scaling actions to increase the instance count before the expected traffic surge and decrease it after the peak period ends.

Question 18

A financial services company is implementing a continuous data replication strategy to ensure that their transactional data is consistently available across multiple AWS regions for disaster recovery and high availability. They have chosen Amazon RDS for their database needs and are considering the use of AWS Database Migration Service (DMS) for this purpose. Given their requirements, which of the following configurations would best support continuous data replication while minimizing latency and ensuring data integrity?

Accepted Answer

Set up AWS DMS with a source endpoint pointing to the primary RDS instance and a target endpoint pointing to a read replica in another region, enabling ongoing replication with minimal lag.

Question 19

A company is experiencing rapid growth in its user base, leading to increased demand on its web application. The application is currently hosted on a single EC2 instance, which is becoming a bottleneck. The company wants to redesign the architecture to ensure scalability and performance while minimizing costs. Which architectural approach should the company adopt to effectively handle the increased load while maintaining high availability and fault tolerance?

Accepted Answer

Implement an Auto Scaling group with multiple EC2 instances behind an Application Load Balancer (ALB)

Question 20

A company is planning to deploy a multi-tier application on AWS using Amazon VPC. The application consists of a web tier, an application tier, and a database tier. The web tier needs to be publicly accessible, while the application and database tiers should remain private. The company wants to ensure that the database tier is not directly accessible from the internet and can only be accessed by the application tier. Given this scenario, which configuration would best meet these requirements while ensuring optimal security and performance?

Accepted Answer

Create a public subnet for the web tier, a private subnet for the application tier, and another private subnet for the database tier, using security groups to control access between the application and database tiers.

Question 21

A company is developing a microservices architecture using Amazon API Gateway to manage its APIs. They want to implement a throttling mechanism to control the rate of requests to their backend services. The company anticipates a peak load of 1,000 requests per second and wants to ensure that no single client can exceed 100 requests per second. Additionally, they want to allow a burst capacity of 200 requests for short periods. How should they configure the API Gateway to meet these requirements while ensuring that the backend services remain responsive?

Accepted Answer

Set a rate limit of 100 requests per second with a burst limit of 200 requests.

Question 22

A company is migrating its on-premises data center to AWS and plans to use AWS Transit Gateway to connect multiple VPCs and on-premises networks. The company has three VPCs in different regions, each with a CIDR block of 10.0.0.0/16, and an on-premises network with a CIDR block of 192.168.1.0/24. The company wants to ensure that all VPCs can communicate with each other and with the on-premises network without overlapping IP addresses. What is the best approach to configure the Transit Gateway to achieve this?

Accepted Answer

Create a Transit Gateway and attach all VPCs and the on-premises network, ensuring that the CIDR blocks do not overlap.

Question 23

In a cloud architecture design, a solutions architect is tasked with creating a diagram that illustrates the interaction between various AWS services for a multi-tier web application. The application consists of a front-end hosted on Amazon S3, a back-end API running on AWS Lambda, and a database managed by Amazon RDS. The architect needs to ensure that the diagram clearly represents the flow of data and the relationships between these services. Which diagramming tool would best facilitate the creation of this architecture diagram, allowing for easy updates and collaboration among team members?

Accepted Answer

AWS Architecture Icons and Diagrams

Question 24

In designing a highly available architecture for a web application hosted on AWS, you need to represent various components using AWS Architecture Icons. You are tasked with creating a diagram that includes an Amazon EC2 instance, an Amazon RDS database, and an Amazon S3 bucket. Which combination of icons would best represent these components while adhering to AWS\'s architectural best practices for clarity and communication?

Accepted Answer

An EC2 instance icon, an RDS database icon, and an S3 bucket icon

Question 25

A company is implementing a tagging strategy for its AWS resources to enhance cost allocation and resource management. They plan to use a combination of environment, project, and owner tags. The company has multiple projects running in different environments (development, testing, production) and wants to ensure that each resource is tagged appropriately. If the company has 5 projects, each with 3 environments, and each resource can have up to 3 tags, how many unique combinations of tags can be created if each tag must be distinct and chosen from the available categories?

Accepted Answer

15

Question 26

A company is evaluating its AWS infrastructure costs and wants to optimize its spending while maintaining performance. They currently use a mix of On-Demand and Reserved Instances for their EC2 instances. The company has a steady workload that requires 10 m5.large instances running 24/7. The On-Demand price for an m5.large instance is $0.096 per hour, while the Reserved Instance price is $0.045 per hour for a one-year term. If the company decides to switch to Reserved Instances for all 10 instances, what will be the total cost savings over a year compared to using On-Demand instances?

Accepted Answer

$37,440

Question 27

A multinational corporation is planning to implement a hybrid cloud architecture that integrates their on-premises data center with AWS. They need to ensure that their applications can communicate securely and efficiently across both environments. The company is considering using AWS Direct Connect for a dedicated network connection and AWS VPN for secure communication. Given the requirements for low latency and high throughput, which combination of services and configurations would best meet their needs while ensuring redundancy and failover capabilities?

Accepted Answer

AWS Direct Connect with a VPN backup connection

Question 28

A company is designing a new cloud architecture for its e-commerce platform, which experiences significant traffic fluctuations during sales events. The architecture must ensure high availability and scalability while minimizing costs. Which design principle should the architects prioritize to achieve these goals effectively?

Accepted Answer

Implementing auto-scaling groups to dynamically adjust resources based on demand

Question 29

A company is planning to implement a hybrid networking solution to connect its on-premises data center with its AWS environment. They need to ensure that their applications can communicate seamlessly across both environments while maintaining high availability and low latency. The company is considering using AWS Direct Connect and a VPN connection as part of their hybrid architecture. If the on-premises data center has a bandwidth of 1 Gbps and the AWS Direct Connect link is provisioned at 500 Mbps, what is the maximum theoretical throughput for data transfer between the two environments, assuming no other bottlenecks exist? Additionally, how would the use of a VPN connection impact the overall latency and security of the data transfer?

Accepted Answer

500 Mbps with increased latency and encryption overhead

Question 30

A company is planning to migrate its data storage to Amazon S3 and is evaluating the cost implications of different storage classes. They anticipate storing 10 TB of data that will be accessed frequently for the first month, then infrequently for the next six months, and finally archived for the remaining five months. The company is considering using the S3 Standard storage class for the first month, transitioning to S3 Infrequent Access (IA) for the next six months, and finally moving to S3 Glacier for the last five months. Given the following pricing: S3 Standard at $0.023 per GB per month, S3 IA at $0.0125 per GB per month, and S3 Glacier at $0.004 per GB per month, what will be the total estimated cost for storing this data over the entire period?

Accepted Answer

$276.50

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