A company needs to set up billing alarms to monitor estimated charges for an AWS account.Which AWS service or tool will meet this requirement?
Answer(s): B
Amazon CloudWatch can create billing alarms based on estimated AWS charges. These alarms can notify the company when estimated costs exceed configured thresholds.
A company is designing AWS architecture that will add compute resources when the company needs them.The architecture also includes a disaster recovery plan with automatic failover.Which pillar of the AWS Well-Architected Framework does this architecture represent?
Answer(s): A
The reliability pillar focuses on a workload’s ability to perform its intended function correctly and consistently,recover from failures, and dynamically acquire resources to meet demand. Automatic failover and scaling compute capacity are key reliability practices.
A company is running a globally-accessible application on AWS. The company wants to optimize the application's network traffic.Which AWS service will meet this requirement?
Answer(s): D
AWS Global Accelerator improves the performance and availability of globally distributed applications by directing user traffic to the optimal AWS endpoint using the AWS global network. This optimizes network traffic and reduces latency for users worldwide.
Which tasks are responsibilities of the customer, according to the AWS shared responsibility model? (Choose two.)
Answer(s): B,D
https://aws.amazon.com/compliance/shared-responsibility-model/
A company needs to automatically protect its Amazon EC2 instances from distributed denial of service (DDoS)attacks.Which AWS service or tool will provide this protection?
AWS Shield is a managed DDoS protection service that automatically safeguards applications running onAWS, including EC2 instances, from common and large-scale DDoS attacks.Network ACL provides basic traffic filtering but does not protect against DDoS.Security group acts as a virtual firewall for EC2, but it does not offer DDoS mitigation.Amazon GuardDuty is a threat detection service that analyzes logs for suspicious activity, but it does not actively block DDoS attacks.
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