-COMPLETE STUDY GUIDE - AWS
Certified Solutions Architect - Associate
(SAA-C02) Certification 2025/2026 Exam
Question and Answers [100% Correct]
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What type of AWS account is initially created when setting up AWS and has full administrator access?
Root account
When a ...
What type of AWS account is initially created when setting up AWS and has full administrator access?
Root account
When a new IAM account is created in AWS, what permissions does it have by default?
No permissions until granted
When a new IAM user is granted programmatic access, what does AWS assign to them?
An Access Key ID and Secret Access Key
What is the primary use of Access Keys in AWS?
To access AWS services via the CLI and SDK (not for console access)
What happens to AWS Access Keys once they are created?
They are only shown once. If lost, they must be deleted and recreated.
What security feature should always be enabled on the root account in AWS?
Multi-Factor Authentication (MFA)
Who is responsible for enabling MFA on IAM users in AWS?
The user must enable MFA themselves, not an administrator.
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,What feature in IAM allows you to enforce password complexity and automatic password rotation?
Password policies
In AWS IAM, what are the types of identities that can be created?
Users, Groups, and Roles
What is an IAM user in AWS?
An entity that logs into the AWS console or interacts with AWS resources programmatically
How do IAM Groups in AWS help manage permissions?
They group users who share similar permissions, such as admins or developers.
What does an IAM Role in AWS allow you to do?
Assign permissions to a role and assign that role to a user or group.
What type of document is an IAM Policy, and what does it define?
A JSON document that grants permissions for a specific user, group, or role to access AWS services
What are Managed Policies in IAM, and how are they handled?
Policies provided by AWS that cannot be edited by users
What are Customer Managed Policies in IAM?
Policies created by the customer that can be edited as needed
What are Inline Policies in IAM?
Policies that are directly attached to a specific user, group, or role
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,What is AWS Kinesis used for?
To collect, process, and analyze streaming data in real-time
What is the purpose of Kinesis Data Streams?
To organize data into shards where each consumer maintains its own data position, with data
retention from 24 hours to 168 hours.
How does Kinesis Firehose differ from Kinesis Data Streams?
Kinesis Firehose processes data and sends it directly to services like S3, Redshift, or Elasticsearch
without storing it.
What is Kinesis Data Analytics used for?
To perform real-time queries on streaming data, with input and output coming from Kinesis Data
Streams or Firehose.
What does Kinesis Video Analytics do?
It ingests and processes video and audio data for machine learning applications like SageMaker
and Rekognition.
What is the Kinesis Producer Library (KPL)?
A Java library designed to simplify the process of writing data to Kinesis Data Streams.
What is AWS Lambda?
A serverless computing service that lets you run code without managing servers.
How is AWS Lambda serverless?
You do not need to worry about managing the underlying infrastructure.
What is AWS Lambda best suited for?
Short-running tasks that do not require a customized operating system environment.
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, Which AWS service should you consider if your tasks need a long runtime or a custom OS environment?
AWS Fargate
Which programming languages does AWS Lambda support?
Ruby, Python, Java, Node.js, C#, PowerShell, and Go
How does AWS Lambda billing work?
You pay per invocation, based on the duration and memory used, rounded up to the nearest 100
milliseconds. The first 1 million requests are free.
What configuration options can you adjust for an AWS Lambda function?
You can adjust the function’s duration timeout (up to 15 minutes) and memory (up to 3008 MB).
What triggers AWS Lambda functions?
Lambda functions can be triggered by AWS services like S3, API Gateway, and DynamoDB, or
directly through the SDK.
How does AWS Lambda handle scaling?
Lambda can scale up to 1000 concurrent executions by default, which can be increased upon
request.
What is a cold start in AWS Lambda?
It’s the delay that occurs when a Lambda function is invoked after not being executed for a period
of time.
What happens during a cold start in AWS Lambda?
The response time increases as the Lambda function initializes a new instance to handle the
request.
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