Monday, 19 April 2021

AWS

 1. What are the main considerations that influence which AWS Regions to use ? 

Answers : 

Latency reduction for end users

Compliance with laws and regulations


2. What are the main considerations that influence which Availability Zone to use ? 

Answers : 

Protection against localized natural disasters

Application resiliency during system failures


3. What is the best definition of Cloud Architecture ?

Answer : 

Applying cloud characteristics to a solution that uses cloud services and features to meet technical and business requirements. 

4. Which use cases indicate that a non-relational database might be a better solution than a relational database ? 

Answers : 

Horizontal scaling for massive data volume

Data with unpredictable attributes

5. Which statement that compares a database service that Amazon Web Services (AWS) manages with a database on an Amazon EC2 instance is true ? 

Answer : 

AWS manages DB patches for a database on a managed datbase service


6.Which examples are good use cases for Amazon Relational Database Service ( Amazon RDS ) ?

Answer : 

An application that requires the database to enforce syntax rules

An application that requires complex joins of data

Runnng a Microsoft SQL Server in AWS


7. A small company is deciding which service to use for an enrollment system for their online training website. Choices are MySQL on Amazon EC2, MySQL in Amazon RDS and Amazon DynamoDB. Which combination of use cases suggests using Amazon RDS ? 

Answer : 

The data is highly structured

Student , course , and regirstration data are stored in many different tables

The company doesn't want to manage database patches


8.Which scenarios are good use cases for Amazon DynamoDB ?

Answer : 

Database for serverless architectures

Applications that require ACID transactions

Document database for JavaScript Object Notation (JSON)-based documents


9. A small game company is designing an online game, where thousands of players can cretae their own in-game objects. The current design uses a MySQL database in Amazon RDS to store data for player- cretaed objects. Which use cases suggest that DynamoDB might be a better solution ?

Answer : 

Unpredictable attributes for player-created objects

Large number of player-created objects, each with different attributes


10. Which attributes are reasons to choose Amazon EC2 ? 

Answers : 

Complete control of computing resources

Ability to run any type of workload

Complete control of computing resources


11. What are the benefits using AMI ? 

Answers : 

B, D and E - Launching instances with the same configuration


12. A workload requires high read/write access to large local datasets. Which instance types would perform best for this workload ?

Answers : 

Memory Optimized 

Storate Optimized


13. Use the user data of each instance to access the MAC address through the instance metadata


14. Provisioned IOPS SSD EBS volumes are optimized for I/O-intensive workloads


15. Which features does Amazon FSx for Windows File Server Provide ?

Answers : 

Fully managed windows file servers


16. Spread




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