Mastering the Basics: Top 10 AWS Interview Questions (Part 4)

Read : Mastering the Basics: Top 50 Amazon AWS Interview Questions (Part 1)

Read : Mastering the Basics: Top 10 AWS Interview Questions (Part 2)

Read : Mastering the Basics: Top 10 AWS Interview Questions (Part 3)

⭐Q71:If I am performing a Multi-AZ deployment on my DB Instance, can I use the standby DB Instance for read or write operations in addition to the primary DB instance?

The primary database instance is not operational.

⭐Q72:Which AWS services would you employ to capture and handle e-commerce data for near-real-time analysis?

Amazon DynamoDB is excellent.

⭐Q73:Which statements are appropriate for Amazon DynamoDB?

Metadata storage for Amazon S3 objects, as well as the execution of relational joins and sophisticated changes.

⭐Q74:Your application must retrieve data from your users' mobile devices every 5 minutes, and the data is then saved in DynamoDB. Later each day at a specific time, the data is pulled into S3 on a per user basis, and your application is then used to visualize the data to the user. What would you do if you were required to optimize the design of the backend system in order to save costs?

Use Amazon ElastiCache to cache reads from the Amazon DynamoDB table and minimize provided read performance.

⭐Q75:You are hosting a website on EC2 instances that can be distributed across various Availability Zones using a Multi-AZ RDS MySQL Extra Large DB Instance, for example. The site then executes a high number of tiny reads and writes per second, relying on the eventual consistency approach. Following the extensive testing, you notice that there is read contention on RDS MySQL. Which techniques are the most effective in meeting these requirements?

Deploy ElastiCache in-memory cache in each availability zone, followed by increasing the RDS MySQL Instance size and implementing provided IOPS.

⭐Q76:Assume you have an application that requires you to produce graphics as well as perform some general processing. Which service will best meet your requirements?

It is used on the Application Load Balancer.

⭐Q77: How will you update the instance type for the instances operating in your application tier and then use Auto Scaling? Where are you going to modify it from areas?

The launch configuration sections are now auto-scaled.

⭐Q78: You have a content management system operating on an Amazon EC2 instance that is nearing 100% CPU utilization. Which choice will lower the burden on the Amazon EC2 instance?

Create a load balancer and register the Amazon EC2 instance with it.

⭐Q79: What does the Draining Connection do?

The re-routes traffic from instances that are scheduled to be upgraded (or) failed a health check.

⭐Q80: When an instance becomes unhealthy, it is terminated and replaced with a fresh one; which service handles this?

The service creates fault tolerance.

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Mastering the Basics: Top 10 AWS Interview Questions (Part 4)