- web.groovymark@gmail.com
- November 26, 2024
Question 21
Which AWS service is used to migrate databases to AWS?
a) AWS Database Migration Service (DMS)
b) AWS Glue
c) Amazon RDS
d) AWS Lambda
Correct Answer: a) AWS Database Migration Service (DMS)
Explanation: AWS DMS helps you migrate databases to AWS quickly and securely.
Question 22
What is the primary function of Amazon RDS Multi-AZ deployments?
a) Provides automatic failover for high availability
b) Scaling database instances horizontally
c) Delivering content globally
d) Storing data in object storage
Correct Answer: a) Provides automatic failover for high availability
Explanation: Amazon RDS Multi-AZ deployments provide enhanced availability and durability for RDS instances by automatically failing over to a standby database instance in another Availability Zone.
Question 23
What type of storage is Amazon EBS designed for?
a) Block storage
b) Object storage
c) Archive storage
d) Streaming data
Correct Answer: a) Block storage
Explanation: Amazon Elastic Block Store (EBS) provides block storage volumes for use with Amazon EC2 instances.
Question 24
Which AWS service offers an in-memory caching solution?
a) Amazon ElastiCache
b) Amazon S3
c) AWS Lambda
d) AWS Shield
Correct Answer: a) Amazon ElastiCache
Explanation: Amazon ElastiCache offers in-memory data caching to improve the performance of web applications by retrieving information from managed, in-memory caches.
Question 25
Which service provides real-time insights into application performance and resource utilization in AWS?
a) Amazon CloudWatch
b) Amazon S3
c) AWS KMS
d) AWS DMS
Correct Answer: a) Amazon CloudWatch
Explanation: Amazon CloudWatch provides monitoring for AWS resources and applications, offering real-time insights into performance metrics.
Question 26
What is the function of AWS Direct Connect?
a) Establish a dedicated network connection between your premises and AWS
b) Scale databases horizontally
c) Provide object storage
d) Automate serverless computing
Correct Answer: a) Establish a dedicated network connection between your premises and AWS
Explanation: AWS Direct Connect lets you establish a dedicated, high-bandwidth, low-latency network connection from your data center to AWS.
Question 27
What type of service is AWS Fargate?
a) Serverless compute for containers
b) Object storage
c) NoSQL database service
d) Content delivery service
Correct Answer: a) Serverless compute for containers
Explanation: AWS Fargate allows you to run containers without managing servers, making it easier to deploy and manage containerized applications.
Question 28
What does AWS Elastic Beanstalk automate for developers?
a) Application deployment and scaling
b) Data warehousing
c) Object storage
d) DNS management
Correct Answer: a) Application deployment and scaling
Explanation: AWS Elastic Beanstalk simplifies application deployment by automating provisioning, load balancing, scaling, and monitoring.
Question 29
Which AWS service is designed to process large-scale analytics workloads?
a) Amazon EMR
b) Amazon RDS
c) Amazon S3
d) AWS Lambda
Correct Answer: a) Amazon EMR
Explanation: Amazon EMR (Elastic MapReduce) is a cloud big data platform for processing large-scale datasets using open-source frameworks such as Apache Hadoop and Apache Spark.
Question 30
What does Amazon Inspector help with?
a) Security assessment
b) Data backup
c) DNS routing
d) Content delivery
Correct Answer: a) Security assessment
Explanation: Amazon Inspector helps improve the security and compliance of applications by identifying potential security vulnerabilities.
Question 31
Which AWS service provides secure, resizable compute capacity in the cloud?
a) Amazon EC2
b) Amazon S3
c) AWS Lambda
d) Amazon RDS
Correct Answer: a) Amazon EC2
Explanation: Amazon EC2 provides scalable computing capacity in the AWS cloud, allowing users to launch virtual servers and configure the required environment.
Question 32
Which storage class is best for data archiving with infrequent access in Amazon S3?
a) S3 Glacier
b) S3 Standard
c) S3 Intelligent-Tiering
d) S3 One Zone-Infrequent Access
Correct Answer: a) S3 Glacier
Explanation: Amazon S3 Glacier is a storage class designed for long-term archival storage, offering low-cost storage for infrequently accessed data.
Question 33
Which AWS service helps you automatically scale the number of EC2 instances based on demand?
a) Auto Scaling
b) Amazon S3
c) AWS CloudFormation
d) Amazon RDS
Correct Answer: a) Auto Scaling
Explanation: Auto Scaling automatically adjusts the number of EC2 instances based on current demand to ensure optimal performance and cost-efficiency.
Question 34
What does AWS Snowball help with?
a) Physical data migration to AWS
b) Serverless computing
c) Content delivery
d) Real-time data streaming
Correct Answer: a) Physical data migration to AWS
Explanation: AWS Snowball is a data transport solution that allows you to physically migrate large amounts of data to AWS using secure storage devices.
Question 35
What is the primary purpose of Amazon SageMaker?
a) Build, train, and deploy machine learning models
b) Host web applications
c) Provide object storage
d) Manage virtual networks
Correct Answer: a) Build, train, and deploy machine learning models
Explanation: Amazon SageMaker is a fully managed service that enables data scientists and developers to build, train, and deploy machine learning models quickly.
Question 36
What is the benefit of using Amazon Aurora over standard MySQL databases?
a) 5x performance improvement over MySQL
b) Reduced storage cost
c) Increased security
d) Simplified DNS management
Correct Answer: a) 5x performance improvement over MySQL
Explanation: Amazon Aurora is a MySQL-compatible relational database engine that offers up to five times better performance than standard MySQL databases.
Question 37
Which AWS service enables the coordination of components of distributed applications and microservices?
a) AWS Step Functions
b) AWS Glue
c) Amazon RDS
d) Amazon S3
Correct Answer: a) AWS Step Functions
Explanation: AWS Step Functions allows you to coordinate multiple AWS services into serverless workflows by managing each step of the process.
Question 38
What does AWS Artifact provide?
a) Access to AWS compliance reports and agreements
b) Data storage
c) Machine learning tools
d) Virtual machine scaling
Correct Answer: a) Access to AWS compliance reports and agreements
Explanation: AWS Artifact provides customers with on-demand access to AWS compliance reports and agreements.
Question 39
What does AWS OpsWorks automate?
a) Server configuration and application deployment
b) DNS routing
c) Object storage
d) Data archiving
Correct Answer: a) Server configuration and application deployment
Explanation: AWS OpsWorks provides configuration management services to automate the deployment of applications and manage infrastructure using Chef and Puppet.
Question 40
What is the purpose of Amazon Elastic File System (EFS)?
a) Scalable, managed file storage for EC2 instances
b) Block storage for virtual machines
c) Object storage for web applications
d) Scaling machine learning models
Correct Answer: a) Scalable, managed file storage for EC2 instances
Explanation: Amazon EFS provides scalable file storage for use with Amazon EC2 instances, offering high availability and durability.