- web.groovymark@gmail.com
- November 26, 2024
Question 01
What AWS service is primarily used for real-time data analytics?
a) Amazon Kinesis
b) Amazon RDS
c) Amazon Redshift
d) Amazon S3
Correct Answer: a) Amazon Kinesis
Explanation: Amazon Kinesis enables real-time processing of streaming data and is often used for real-time analytics of large data streams.
Question 02
What AWS service is primarily used for real-time data analytics?
a) S3 Object Lock
b) AWS Shield
c) S3 Server-Side Encryption (SSE)
d) Amazon Macie
Correct Answer: c) S3 Server-Side Encryption (SSE)
Explanation: S3 Server-Side Encryption automatically encrypts data stored in Amazon S3 using AWS managed keys.
Question 03
What is the default timeout value for AWS Lambda function execution?
a) 15 minutes
b) 5 minutes
c) 3 minutes
d) 10 minutes
Correct Answer: b) 5 minutes
Explanation: The default maximum execution time for an AWS Lambda function is 5 minutes, but it can be adjusted up to 15 minutes.
Question 04
Which AWS service helps in scheduling, tracking, and managing batch workloads?
a) AWS Step Functions
b) AWS Batch
c) AWS Glue
d) Amazon SQS
Correct Answer: b) AWS Batch
Explanation: AWS Batch is used to efficiently run hundreds of thousands of batch computing jobs, helping users schedule and manage batch workloads.
Question 05
In AWS CloudFormation, what is the purpose of the “DependsOn” attribute?
a) To create cross-region resources
b) To specify resource creation order
c) To delay resource deletion
d) To auto-scale resources
Correct Answer: b) To specify resource creation order
Explanation: The "DependsOn" attribute in AWS CloudFormation ensures that certain resources are created in the order specified by the user.
Question 06
What does Amazon Macie primarily help with?
a) Securing EC2 instances
b) Optimizing cloud costs
c) Detecting and protecting sensitive data
d) Managing API Gateways
Correct Answer: c) Detecting and protecting sensitive data
Explanation: Amazon Macie is an AWS service that automatically discovers, classifies, and protects sensitive data like PII stored in AWS.
Question 07
Which Amazon RDS engine supports both relational and NoSQL databases?
a) Aurora
b) DynamoDB
c) PostgreSQL
d) None of the above
Correct Answer: a) Aurora
Explanation: Amazon Aurora is a relational database but has capabilities that support both MySQL and PostgreSQL, and can scale to handle NoSQL workloads with Aurora Serverless.
Question 08
What AWS service is used to manage infrastructure as code?
a) AWS CodeDeploy
b) AWS CodeCommit
c) AWS CloudFormation
d) AWS Glue
Correct Answer: c) AWS CloudFormation
Explanation: AWS CloudFormation allows users to model and set up AWS resources so they can manage infrastructure as code.
Question 09
Which AWS service allows you to run containers without managing the underlying infrastructure?
a) AWS Fargate
b) Amazon ECS
c) Amazon EKS
d) AWS Elastic Beanstalk
Correct Answer: a) AWS Fargate
Explanation: AWS Fargate is a serverless compute engine for containers, allowing users to run containers without managing servers or clusters.
Question 10
Which AWS service enables event-driven computing without provisioning or managing servers?
a) Amazon EC2
b) AWS Lambda
c) Amazon Elastic Beanstalk
d) AWS Batch
Correct Answer: b) AWS Lambda
Explanation: AWS Lambda allows you to run code in response to events, such as changes in data or user requests, without provisioning or managing any servers.
Question 11
What AWS service enables multi-factor authentication for user accounts?
a) AWS IAM
b) AWS Shield
c) AWS WAF
d) AWS Organizations
Correct Answer: a) AWS IAM
Explanation: AWS Identity and Access Management (IAM) enables multi-factor authentication (MFA) to provide additional security for user accounts.
Question 12
What is the maximum retention period for Amazon SQS messages?
a) 4 days
b) 14 days
c) 7 days
d) 30 days
Correct Answer: b) 14 days
Explanation: The maximum retention period for messages in Amazon Simple Queue Service (SQS) is 14 days.
Question 13
Which AWS service helps in creating and managing machine learning models?
a) AWS Glue
b) Amazon SageMaker
c) AWS Elastic Beanstalk
d) AWS CodeStar
Correct Answer: b) Amazon SageMaker
Explanation: Amazon SageMaker provides tools for building, training, and deploying machine learning models.
Question 14
What is the purpose of AWS CodePipeline?
a) Automating infrastructure scaling
b) Automating code deployment
c) Monitoring application performance
d) Hosting static websitesa
Correct Answer: b) Automating code deployment
Explanation: AWS CodePipeline is a continuous integration and delivery service for automating code deployment pipelines.
Question 15
What AWS service provides managed distributed in-memory caching?
a) Amazon Redshift
b) Amazon ElastiCache
c) AWS Lambda
d) AWS Config
Correct Answer: b) Amazon ElastiCache
Explanation: Amazon ElastiCache provides in-memory caching for faster retrieval of data in distributed systems.
Question 16
In the AWS shared responsibility model, what is AWS responsible for?
a) Securing customer data
b) Security “of” the cloud
c) Securing access control lists
d) Securing application-level firewalls
Correct Answer: b) Security "of" the cloud
Explanation: AWS is responsible for securing the infrastructure that runs AWS services, including hardware, software, networking, and facilities.
Question 17
What AWS service is used to provide recommendations for cost optimization and performance improvements?
a) AWS CodeBuild
b) AWS Trusted Advisor
c) AWS Personal Health Dashboard
d) AWS Config
Correct Answer: b) AWS Trusted Advisor
Explanation: AWS Trusted Advisor provides real-time best practices and recommendations to optimize AWS resources.
Question 18
Which AWS service helps you configure access controls and security policies across multiple accounts?
a) AWS Shield
b) AWS IAM
c) AWS Organizations
d) AWS CodeCommit
Correct Answer: c) AWS Organizations
Explanation: AWS Organizations allows you to centrally manage policies and control access across multiple AWS accounts.
Question 19
Which type of scaling is used to maintain performance by adding or removing instances in response to load?
a) Horizontal scaling
b) Vertical scaling
c) Instance scaling
d) Auto scaling
Correct Answer: a) Horizontal scaling
Explanation: Horizontal scaling refers to adding or removing instances to handle load, as opposed to vertical scaling, which increases the power of existing instances.
Question 20
What AWS service can be used to monitor your AWS resources in real time?
a) AWS Config
b) Amazon CloudWatch
c) AWS X-Ray
d) Amazon Inspector
Correct Answer: b) Amazon CloudWatch
Explanation: Amazon CloudWatch provides real-time monitoring for AWS resources and applications running on AWS.