OA Exams

  • web.groovymark@gmail.com
  • November 26, 2024

Question 41

What is the purpose of Amazon ElastiCache?

a) In-memory data caching for faster database performance
b) Long-term data archiving
c) Serverless compute functions
d) DNS management

Correct Answer: a) In-memory data caching for faster database performance

Explanation: Amazon ElastiCache provides in-memory caching for applications, helping to improve the performance of databases and reduce latency.

Question 42

 Which AWS service provides scalable domain name system (DNS) management?

a) Amazon Route 53
b) Amazon S3
c) AWS Lambda
d) AWS CloudTrail

Correct Answer: a) Amazon Route 53

Explanation: Amazon Route 53 is a scalable DNS and domain name management service that routes end users to internet applications hosted on AWS.

Question 43

What does AWS Auto Scaling help with?

a) Automatically adjusts resource capacity based on demand
b) Provides DNS management
c) Delivers content globally
d) In-memory data caching

Correct Answer: a) Automatically adjusts resource capacity based on demand

Explanation: AWS Auto Scaling monitors applications and automatically adjusts the resource capacity to maintain steady performance at the lowest possible cost.

Question 44

Which service provides relational database management in AWS?

a) Amazon RDS
b) Amazon S3
c) Amazon CloudWatch
d) AWS Lambda

Correct Answer: a) Amazon RDS

Explanation: Amazon RDS provides fully managed relational databases, including support for MySQL, PostgreSQL, Oracle, and SQL Server.

Question 45

What is Amazon CloudWatch used for?

a) Monitoring and logging AWS resources
b) Data replication across regions
c) In-memory caching for applications
d) DNS management

Correct Answer: a) Monitoring and logging AWS resources

Explanation: Amazon CloudWatch is a monitoring service for AWS resources and applications that collects log data, metrics, and events in real time.

Question 46

. Which AWS service helps in automating the continuous integration and continuous delivery (CI/CD) pipeline?

a) AWS CodePipeline
b) Amazon EC2
c) AWS Lambda
d) Amazon S3

Correct Answer: a) AWS CodePipeline

Explanation: AWS CodePipeline automates the process of building, testing, and deploying code as part of the continuous integration and continuous delivery (CI/CD) pipeline.

Question 47

 Which AWS service helps secure web applications by filtering and monitoring web traffic?

a) AWS WAF
b) Amazon RDS
c) Amazon DynamoDB
d) AWS CloudTrail

Correct Answer: a) AWS WAF

Explanation: AWS WAF is a web application firewall that helps secure web applications by filtering and monitoring HTTP and HTTPS requests.

Question 48

Which AWS service provides a scalable NoSQL database?

a) Amazon DynamoDB
b) Amazon RDS
c) Amazon S3
d) AWS Lambda

Correct Answer: a) Amazon DynamoDB

Explanation: Amazon DynamoDB is a fully managed NoSQL database service that scales automatically to handle large amounts of data.

Question 49

Which AWS service allows you to run code in response to events without provisioning servers?

a) AWS Lambda
b) Amazon RDS
c) Amazon S3
d) AWS CloudTrail

Correct Answer: a) AWS Lambda

Explanation: AWS Lambda is a serverless compute service that automatically runs your code in response to events

Question 50

What is the purpose of AWS Trusted Advisor?

a) Provides best practice recommendations for cost optimization, performance, security, and fault tolerance
b) Monitors EC2 instances for health checks
c) Automates application deployment
d) Manages data replication between AWS regions

Correct Answer: a) Provides best practice recommendations for cost optimization, performance, security, and fault tolerance

Explanation: AWS Trusted Advisor is an online resource that provides real-time guidance to help users optimize their AWS environment in terms of cost, performance, security, and fault tolerance.

Complete the Captcha to view next question set.

Prev Post
WGU D319 Practice Exam Questions – Set 2 – Part 2
Next Post
WGU D319 Practice Exam Questions – Set 3 – Part 1