Cloud Practitioner General Flashcards

Which compute purchasing option offers the largest discounts but can be interrupted by AWS with little notice?

Answer: Spot Instances

Spot Instances use spare capacity at steep discounts but can be reclaimed by AWS when needed.

Which AWS service monitors resource metrics and can trigger alarms based on thresholds?

Answer: Amazon CloudWatch

Amazon CloudWatch collects metrics and logs and can trigger alarms and actions based on thresholds.

Which connectivity option provides a dedicated private physical network connection from on-premises to AWS?

Answer: AWS Direct Connect

AWS Direct Connect establishes a dedicated private physical link between your premises and AWS.

Which fully managed NoSQL database service offers single-digit millisecond performance at any scale?

Answer: Amazon DynamoDB

Amazon DynamoDB is a fully managed NoSQL key-value and document database with single-digit millisecond latency.

What is a key advantage of the cloud described as 'trading capital expense for variable expense'?

Answer: You pay only for what you consume instead of large upfront investments

The cloud lets you pay variable, usage-based costs instead of large upfront capital purchases.

Which service simplifies deploying and scaling web applications by handling capacity, load balancing, and health monitoring?

Answer: AWS Elastic Beanstalk

AWS Elastic Beanstalk handles deployment details like provisioning, load balancing, and scaling for your application.

Which AWS infrastructure component is a fully isolated geographic area containing multiple Availability Zones?

Answer: Region

An AWS Region is a separate geographic area that contains multiple, isolated Availability Zones.