CPSC 4440 AWS ACA 2025 LATEST UPDATE ACTUAL QUESTIONS WITH COMPLETE SOLUTIONS

What is the best definition of cloud architecture? A. Combining frontend and backend software and components to create highly available and scalable we services that meet the needs of an organization B. Applying cloud characteristics to a solution that uses cloud services and features to meet technical and business requirements C. Designing applications in cloud-based, shared IT infrastructure by using virtual machines and fault tolerant data stores in the cloud D. Relocation traditional on premises data centers to internet centers that a vendor manages - CORRECT ANSWER B. Applying cloud characteristics to a solution that uses cloud services and features to meet technical and business requirements The AWS Well Architecture Framework has five pillars. Two of the pillars are security and operational excellence. What are the other pillars? (Select 3) A. Reliability B. Governance C. Privacy D. Performance Efficiency E. Risk Management F. Cost Optimization - CORRECT ANSWER A. Reliability D. Performance Efficiency 2 | P a g e F. Cost Optimization (Sustainability bonus) Which actions are consistent with the operational excellence pillar of the AWS Well Architecture Framework? (select 2) A. Evaluate organizational structures and roles to identify skill gaps B. Apply software engineering principles and methodology to infrastructure as code C. Ensure operations personnel document changes to the infrastructure D. plan and manage the full lifecycle of hardware assets E. Review and improve processes and procedures on a continuous cycle - CORRECT ANSWER B. Apply software engineering principles and methodology to infrastructure as code E. Review and improve processes and procedures on a continuous cycle An application requires a frontend web tier of multiple servers that communicate with a backend application tier of multiple servers. Which design most closely follows Amazon Web Services best practices? A. Assign a dedicated application server and a dedicated connection to each web server B. Create multiple instances that each combine a web fronted and application backend in the same instance C. design the web tier to communication with the application tier through Elastic Load Balancing Service D. Create a full mesh framework between the web and application tiers so that each web server can communicate directly with every application server - CORRECT ANSWER C. 3 | P a g e design the web tier to communication with the application tier through Elastic Load Balancing Service A solutions architect is developing a process for handling server failures. Which process most closely follows AWS best practices? A. Operations detects a system failure. They notify the systems admin, who provisions a new server by using the AWS management Console B. Amazon CloudWatch detects a system failure. It notifies the system administrator, who provisions a new server by using the AWS Man. Console C. Operations detects a system failure. They trigger automation to provision a new server D. Amazon CloudWatch detects a system failure. It triggers automation to provision a new server. - CORRECT ANSWER D. Amazon CloudWatch detects a system failure. It triggers automation to provision a new server. A company wants to change some functionality of their website. They are unsure of what will happen if they make the change. Which approach most closely follows AWS best practices? A. Change the production site while it is online Use backups to undo the change. B. Change the production site during offline maintenance hours. Use backups to undo the change. C. Provision a new server and make changes to it. Use DNS to gradually migrate users to the new server. Shut down the original server after all users migrate D. Test the change on an existing development server. Change the production site during offline maintenance hours. Use backups to undo the change. - CORRECT ANSWER C. Provision a new server and make changes to it. Use DNS to gradually migrate users to the new server. Shut down the original server after all users migrate