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Latest Amazon SAA-C02 Exam Practice Questions and Answers
QUESTION 1
A solutions architect is designing a web application that will run on Amazon EC2 instances behind an Application Load
Balancer (ALB) The company strictly requires that the application be resilient against malicious internet activity and
attacks, and protect against new common vulnerabilities and exposures
What should the solutions architect recommend?
A. Leverage Amazon CloudFront with the ALB endpoint as the origin
B. Deploy an appropriate managed rule for AWS WAF and associate it with the ALB
C. Subscribe to AWS Shield Advanced and ensure common vulnerabilities and exposures are blocked
D. Configure network ACLs and security groups to allow only ports 80 and 443 to access the EC2 instances
Correct Answer: B
QUESTION 2
A customer has a production application that frequently overwrites and deletes data, the application requires the most
up-to-date version of the data every time it is requested. Which storage should a Solutions Architect recommend to bet
accommodate this use case?
A. Amazon S3
B. Amazon RDS
C. Amazon RedShift
D. AWS Storage Gateway
Correct Answer: A
QUESTION 3
A solutions architect is deploying a distributed database on multiple Amazon EC2 instances The database stores all
data on multiple instances so it can withstand the loss of an instance The database requires block storage with latency
and throughput to support several million transactions per second per server
Which storage solution should the solutions architect use?
A. Amazon EBS
B. Amazon EC2 instance store
C. Amazon EFS
D. Amazon S3
Correct Answer: B
QUESTION 4
A company captures clickstream data from multiple websites and analyzes it using batch processing. The data is loaded
nightly into Amazon Redshift and is consumed by business analysts. The company wants to move towards nearrealtime data processing for timely insights. The solution should process the streaming data with minimal effort and
operational overhead.
Which combination of AWS services are MOST cost-effective for this solution? (Choose two.)
A. Amazon EC2
B. AWS Lambda
C. Amazon Kinesis Data Streams
D. Amazon Kinesis Data Firehose
E. Amazon Kinesis Data Analytics
Correct Answer: AD
QUESTION 5
A company has on-premises servers running a relational database The current database serves high read traffic for
users in different locations The company wants to migrate to AWS with the least amount of effort The database solution
should support disaster recovery and not affect the company\\’s current traffic flow.
Which solution meets these requirements?
A. Use a database in Amazon RDS with Multi-AZ and at least one read replica
B. Use a database in Amazon RDS with Multi-AZ and at least one standby replica
C. Use databases hosted on multiple Amazon EC2 instances in different AWS Regions
D. Use databases hosted on Amazon EC2 instances behind an Application Load Balancer in different Availability Zones
Correct Answer: A
QUESTION 6
A company is evaluating Amazon S3 as a data storage solution for their daily analyst reports. The company has
implemented stringent requirements concerning the security of the data at rest. Specifically, the CISO asked for the use
of envelope encryption with separate permissions for the use of an envelope key, automated rotation of the encryption
keys, and visibility into when an encryption key was used and by whom.
Which steps should a Solutions Architect take to satisfy the security requirements requested by the CISO?
A. Create an Amazon S3 bucket to store the reports and use Server-Side Encryption with Customer- Provided Keys
(SSE-C).
B. Create an Amazon S3 bucket to store the reports and use Server-Side Encryption with Amazon S3- Managed Keys
(SSE-S3).
C. Create an Amazon S3 bucket to store the reports and use Server-Side Encryption with AWS KMS- Managed Keys
(SSE-KMS).
D. Create an Amazon S3 bucket to store the reports and use Amazon s3 versioning with Server-Side Encryption with
Amazon S3-Managed Keys (SSE-S3).
Correct Answer: C
QUESTION 7
A Solutions Architect is designing an application that requires having six Amazon EC2 instances running at all times.
The application will be deployed in the sa-east-1 region, which has three Availability Zones: sa- east-1a, sa-east-1b, and
saeast-1c.
Which action will provide 100 percent fault tolerance and the LOWEST cost in the event that one Availability Zone in the
region becomes unavailable?
A. Deploy six Amazon EC2 instances in sa-east-1a, six Amazon EC2 instances in sa-east-1b, and six Amazon EC2
instances in sa-east-1c
B. Deploy six Amazon EC2 instances in sa-east-1a, four Amazon EC2 instances in sa-east-1b, and two Amazon EC2
instances in sa-east-1c
C. Deploy three Amazon EC2 instances in sa-east-1a, three Amazon EC2 instances in sa-east-1b, and three Amazon
EC2 instances in sa-east-1c
D. Deploy two Amazon EC2 instances in sa-east-1a, two Amazon EC2 instances in sa-east-1b, and two Amazon EC2
instances in sa-east-1c
Correct Answer: C
QUESTION 8
You have recently joined a startup company building sensors to measure street noise and air quality in urban areas. The
company has been running a pilot deployment of around 100 sensors for 3 months each sensor uploads 1KB of sensor
data every minute to a backend hosted on AWS. During the pilot, you measured a peak or 10 IOPS on the database,
and you stored an average of 3GB of sensor data per month in the database. The current deployment consists of a load-balanced auto scaled Ingestion layer using EC2 instances and a PostgreSQL RDS database with 500GB standard
storage. The pilot is considered a success and your CEO has managed to get the attention of some potential investors.
The business plan requires a deployment of at least 100K sensors which needs to be supported by the backend. You
also need to store sensor data for at least two years to be able to compare year over year Improvements. To secure
funding, you have to make sure that the platform meets these requirements and leaves room for further scaling. Which
setup win meet the requirements?
A. Add an SQS queue to the ingestion layer to buffer writes to the RDS instance
B. Ingest data into a DynamoDB table and move old data to a Redshift cluster
C. Replace the RDS instance with a 6 node Redshift cluster with 96TB of storage
D. Keep the current architecture but upgrade RDS storage to 3TB and 10K provisioned IOPS
Correct Answer: C
You cannot go with DynamoDB because the application is currently using a Postgre SQL which is an RDS. Replacing
an RDS SQL with a NoSQL DB, for the sake of scaling, is not a sensible option.
QUESTION 9
A company runs an application on a group of Amazon Linux EC2 instances The application writes log files using
standard API calls For compliance reasons, all log files must be retained indefinitely and will be analyzed by a reporting
tool that must access all files concurrently
Which storage service should a solutions architect use to provide the MOST cost-effective solution?
A. Amazon EBS
B. Amazon EFS
C. Amazon EC2 instance store
D. Amazon S3
Correct Answer: D
QUESTION 10
A company must generate sales reports at the beginning of every month. The reporting process launches 20 Amazon
EC2 instances on the first of the month. The process runs for 7 days and cannot be interrupted. The company wants to
minimize costs.
Which pricing model should the company choose?
A. Reserved Instances
B. Spot Block Instances
C. On-Demand Instances
D. Scheduled Reserved Instances
Correct Answer: C
QUESTION 11
An organization is currently hosting a large amount of frequently accessed data consisting of key-value pairs and semistructured documents in their data center. They are planning to move this data to AWS. Which of one of the following
services MOST effectively meet their needs?
A. Amazon Redshift
B. Amazon RDS
C. Amazon DynamoDB
D. Amazon Aurora
Correct Answer: C
Reference: https://aws.amazon.com/blogs/aws/amazon-dynamodb-internet-scale-data-storage-the-nosql-way/
QUESTION 12
An application stack includes an Elastic Load Balancer in a public subnet, a fleet of Amazon EC2 instances in an Auto Scaling group, and an Amazon RDS MySQL cluster. Users connect to the application from the Internet. The application
servers and databases must be secure.
How should a Solutions Architect perform this task?
A. Create a private subnet for the Amazon EC2 instances and a public subnet for the Amazon RDS cluster.
B. Create a private subnet for the Amazon EC2 instances and a private subnet for the Amazon RDS cluster.
C. Create a public subnet for the Amazon EC2 instances and a private subnet for the Amazon RDS cluster.
D. Create a public subnet for the Amazon EC2 instances and a public subnet for the Amazon RDS cluster.
Correct Answer: C
QUESTION 13
A customer has a 10 GB AWS Direct Connect connection to an AWS region where they have a web application hosted
on Amazon Elastic Computer Cloud (EC2). The application has dependencies on an on-premises mainframe database
that uses a BASE (Basic Available. Sort stale Eventual consistency) rather than an ACID (Atomicity. Consistency
isolation. Durability) consistency model. The application is exhibiting undesirable behavior because the database is not
able to handle the volume of writes. How can you reduce the load on your on-premises database resources in the most
cost-effective way?
A. Use an Amazon Elastic Map Reduce (EMR) S3DistCp as a synchronization mechanism between the on-premises
database and a Hadoop cluster on AWS.
B. Modify the application to write to an Amazon SQS queue and develop a worker process to flush the queue to the on-premises database.
C. Modify the application to use DynamoDB to feed an EMR cluster that uses a map function to write to the on-premises database.
D. Provision an RDS read-replica database on AWS to handle the writes and synchronize the two databases using Data
Pipeline.
Correct Answer: B
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