AWS Cloud Practitioner Exam 2023 with complete and correct answers

What architectural best practice aims to reduce interdependencies between services? Loose coupling: as application complexity increases, a desirable attribute of an IT system is that it can be broken into smaller, loosely coupled components How does AWS assist organizations' with their capacity requirements? You don't need to guess your capacity needs What is the scope of VPC within a region? Spans all Availability Zones within the region What two benefits does Amazon EC2 provide over using non-cloud servers? 1. Elastic web scale computing 2. Inexpensive What is a Resource Group? A collection of resources that share one or more tags What can you use to quickly connect your office securely to your Amazon VPC? AWS Managed VPN Which AWS service can you use to install a 3rd party database? Amazon EC2 Which services can be used for asynchronous integration between application components? AWS Step Functions Amazon SQS What is not a benefit of Amazon S3? - Amazon S3 cannot run any type of application or backend system - Amazon S3 cannot be scaled manually to store and retrieve any amount of data from anyqhere Which feature can you use to grant read/write access to an Amazon S3 bucket? IAM Policy What benefits are provided by CloudFront? - Content is cached at Edge Locations for fast distribution to customers - Built in DDoS attack protection Which services are involved in reducing application latency and increasing performance for end users? - Amazon ElastiCache - Amazon CloudFront What is the most cost-effective EC2 pricing option to use for a non-critical overnight workload? Spot Instance Which benefit of the AWS Cloud eliminates the need for users to try estimating future infrastructure usage? Elasticity of AWS Cloud Which pricing model should you use for EC2 instances that will be used in a lab environment for several hours on a weekend and must run uninterrupted? On Demand: use for adhoc cases where you need to run instance for a short period of time What considerations are there when choosing which region to use? - Latency - Data Sovereignty An AWS user is trying to launch an EC2 instance in a given region. What is the region-specific constraint that the AMI must meet so that it can be used for this EC2 instance? You must use an AMI from the same region as that of the EC2 instance. The region of the AMI has no bearing on the performance of the EC2 instance.