Amazon AWS Certified Cloud Practitioner Exam Practice Questions (P. 2)

GPT-4o - Answer

Absolutely, Cost Explorer is spot on for tracking and reviewing your AWS expenses over time. You can dig into how much you're spending monthly on specific services like Amazon EC2 and RDS. It's super handy as it not only shows past usage but also throws in some predictions for future costs, which is great for budget planning. Plus, it updates daily so you're always looking at the latest data. Definitely your go-to tool for getting a handle on your AWS expenses.

GPT-4o - Answer

AWS Lambda is the ideal choice for the company's needs as it offers a serverless compute service which means there's no need for server management. It automatically scales according to the application's needs and charges only for the compute time used, making it cost-effective for applications with a short runtime that are triggered by events. This setup maximizes operational efficiency by managing the compute resources dynamically, aligning perfectly with the application's invocation model and short runtime requirement.

GPT-4o - Answer

Absolutely, let's dive right into the meat of it! The true power player here is the AWS software development kits (SDKs). These handy toolkits are chock-full of APIs and language-specific libraries that serve one main purpose: letting developers get hands-on with AWS programmatically. Whether you're coding in Python, Ruby, or any other language under the sun, these SDKs are your golden ticket to interacting, automating, and managing all the AWS services directly through your code. No clicky-clicky in the console, just pure coded commands doing the heavy lifting. So, when it's about programming your way through AWS, SDKs are your best friend.

GPT-4o - Answer

The storage tier chosen in Amazon S3 plays a critical role in determining the cost of maintaining a data lake. Each tier is priced differently based on how frequently the data is accessed and the speed at which it must be available. For instance, data that is seldom accessed can be stored in the Glacier or Deep Archive tiers at a much lower cost compared to the S3 Standard tier, which is designed for data that needs to be frequently accessed. Making informed decisions about which tier to use based on your data access patterns can lead to significant cost savings over time.

GPT-4o - Answer

For your company's ecommerce application that needs to be available at all times over the next 12 months, utilizing Amazon EC2 Savings Plans is indeed the smartest financial move. These plans let you commit to a consistent usage level (like compute power) for a fixed term of 1 or 3 years, offering substantial discounts up to 72% compared to On-Demand pricing. This is perfect for scenarios where workload requirements are predictable and stable, making Savings Plans not just affordable but perfectly suited for your application's demands.

GPT-4o - Answer

The correct tool for identifying resource usage across different business units in AWS is the Cost Allocation Tags. These tags attach metadata to AWS resources, making it straightforward to categorize and track expenses per business unit, project, or department. This specific functionality enhances visibility into how resources are consumed and how costs are distributed, which is essential for effective management and budgeting within a company. These tags are designed not just for cost tracking but also for enabling more detailed and precise cost management and reporting.