Amazon Elastic Container Service (Amazon ECS) and Amazon DynamoDB are used by a firm to execute its mission-critical web application. Multiple times during the day, the workload jumps to up to ten times the regular level.
Which AWS Cloud feature helps the business to adapt to these demand changes?
A company is developing a mobile app that needs a high-performance NoSQL database.
Which AWS services could the company use for this database? (Choose two.)
Amazon Aurora
Amazon RDS
Amazon Redshift
Amazon DocumentDB (with MongoDB compatibility)
Amazon DynamoDB
Answers are; Amazon DocumentDB (with MongoDB compatibility) Most Voted
E. Amazon DynamoDB Most Voted
RDS is a SQL based DB. Dynamo DB and Document DB are the only No-SQL options.
Which AWS service or feature can be used to create a private connection between an on-premises workload and an AWS Cloud workload?
Amazon Route 53
Amazon Macie
AWS Direct Connect
AWS PrivateLink
Answer is AWS Direct Connect
Direct connect is for private dedicated connection between on premise and AWS.
PrivateLink provides direct secure connections from VPCs to other AWS services.
VPC Private Link is a way of making your service available to set of consumers. You can expose a service and the consumers can consume your service by creating an endpoint for your service.With PrivateLink, endpoints are instead created directly inside of your VPC, using Elastic Network Interfaces (ENIs) and IP addresses in your VPC's subnets.To use AWS PrivateLink, create a VPC endpoint in your VPC, specifying the name of the service and a subnet. This creates an elastic network interface in the subnet that serves as an entry point for traffic destined to the service. The service is now in your VPC, enabling connectivity to AWS services via private IP addresses.
A company wants to improve the overall availability and performance of its applications that are hosted on AWS.
Which AWS service should the company use?
A company is planning to run a global marketing application in the AWS Cloud. The application will feature videos that can be viewed by users. The company must ensure that all users can view these videos with low latency.
Which AWS service should the company use to meet this requirement?
AWS Auto Scaling
Amazon Kinesis Video Streams
Elastic Load Balancing
Amazon CloudFront
Answer is Amazon CloudFront
Amazon CloudFront is a content delivery network (CDN) service built for high performance, security, and developer convenience.
Reduce latency by delivering data through 410+ globally dispersed Points of Presence (PoPs) with automated network mapping and intelligent routing.
A large company has multiple departments. Each department has its own AWS account. Each department has purchased Amazon EC2 Reserved Instances.
Some departments do not use all the Reserved Instances that they purchased, and other departments need more Reserved Instances than they purchased.
The company needs to manage the AWS accounts for all the departments so that the departments can share the Reserved Instances.
Which AWS service or tool should the company use to meet these requirements?
AWS Systems Manager
Cost Explorer
AWS Trusted Advisor
AWS Organizations
Answer is AWS Organizations
AWS organization manages and optimises costs across AWS accounts and resources using the tool "Cost Explorer"
Which component of the AWS global infrastructure is made up of one or more discrete data centers that have redundant power, networking, and connectivity?
AWS Region
Availability Zone
Edge location
AWS Outposts
Answer is Availability Zone
An Availability Zone is a single data center or a group of data centers within a Region.
Availability Zones are located tens of miles apart from each other. This helps them to provide interconnectivity to support the services and applications that run within a Region.
An availability zone can be made of one or multiple datacenters. An AWS region has at least 3 availability zones, that are separated by multiple kilometers. Then, a region has at least 3 datacenters.