Practice

Cloud Concepts

Match the clue to the idea: paying only for what you use is variable cost, growing and shrinking with demand is elasticity, and each Well-Architected pillar has its own goal.

A lesson for this domain

Question 1Benefits of the AWS Cloud

Which description best matches agility as a benefit of the AWS Cloud?

Question 2Benefits of the AWS Cloud

A manufacturer is comparing AWS with expanding its own data center. Which statement is a benefit of the AWS Cloud?

Question 3Benefits of the AWS Cloud

A call center application is busy from 8 a.m. to 6 p.m. and almost idle overnight. The company sets it to run fewer instances at night and more during the day. Which benefit of the AWS Cloud is it using?

Question 4Benefits of the AWS Cloud

A health insurer must keep its customer data inside its home country, where an AWS Region is available. How does the AWS global infrastructure let it meet this rule?

Question 5Benefits of the AWS Cloud

A news publisher serves photos through Amazon CloudFront, which caches them at edge locations close to readers. Which benefit do readers around the world notice?

Question 6Benefits of the AWS Cloud

A trainer asks a class which term describes acquiring computing resources when you need them and releasing them when you no longer need them. Which term is correct?

Question 7Benefits of the AWS Cloud

An online store runs web servers in two Availability Zones. It wants a service that spreads customer requests across them and stops sending requests to any server that fails a health check. Which should it use?

Question 8Benefits of the AWS Cloud

A clinic moves its database from a server it manages to a managed AWS database service, so AWS handles hardware, patching of the database software and automated backups. Which benefit does the clinic gain?

Question 9Benefits of the AWS Cloud

A retailer's data team starts using a managed machine learning service the same afternoon it has the idea, without buying hardware or hiring people to run servers. Which benefit of the AWS Cloud does this show?

Question 10Benefits of the AWS Cloud

A photo-sharing app expects its users to grow steadily from thousands to millions over the next three years. The founders want an architecture that can grow to handle the extra load by adding resources. Which property are they asking for?

Question 11Benefits of the AWS Cloud

To handle more visitors, a news website adds four more web servers of the same size behind its load balancer. What is this approach called?

Question 12Benefits of the AWS Cloud

A payroll application runs on one Amazon EC2 instance. An architect recommends adding a second instance in another Availability Zone in the same Region. What is the main reason?

Question 13Benefits of the AWS Cloud

An insurance company copies its backups to a second AWS Region far from its main Region. What does this give the company?

Question 14Benefits of the AWS Cloud

A three-person startup in Brazil wants its app to serve customers in Japan with low latency starting next week. It has no staff or offices outside Brazil. Which advantage of the AWS Cloud makes this practical?

Question 15Cloud economics

Why does automatic scaling usually cost less than a fixed fleet sized for peak traffic?

Question 16Cloud economics

A company plans to bring its own software licenses to AWS. What must it check?

Question 17Cloud economics

A distribution company moves most of its servers from its own data center to AWS. How does its cost structure usually change?

Question 18Cloud economics

A small accounting firm could never buy hardware in the volumes a global cloud provider does. How does it still benefit from those volumes on AWS?

Question 19Cloud economics

A regional bank moves its workloads from its own data center to AWS. Which cost does it stop paying directly?

Question 20Cloud economics

Which statement describes license-included pricing on AWS?

Question 21Cloud economics

A software company wants to track how many of its software licenses are in use across its on-premises servers and AWS, and to set rules that stop it exceeding its license limits. Which AWS service is designed for this?

Question 22Cloud economics

A company moves its database to Amazon RDS. Which staff cost does this reduce?

Question 23Cloud economics

Which of these is an operational expense (OpEx) for a company?

Question 24Cloud economics

A toy retailer buys enough on-premises servers to handle its December peak. For the rest of the year most of them sit idle. Which cost problem does this describe?

Question 25Cloud economics

A company rightsized its instances when it migrated to AWS two years ago. How often should it rightsize now?

Question 26Cloud economics

A development team sets an automated schedule that stops its test instances every evening and weekend and starts them each workday morning. Which idea from cloud economics does this use?

Question 27Cloud economics

Why are variable costs useful for a startup that does not yet know how popular its product will be?

Question 28Migration benefits and strategies

A migration team installs an agent on each on-premises server to record its configuration, performance, running processes and network connections, so it can plan which servers to move together. Which AWS service is designed for this?

Question 29Migration benefits and strategies

A chief executive wants to make sure cloud spending speeds up the company's digital transformation and produces clear business outcomes. Which AWS CAF perspective focuses on this?

Question 30Migration benefits and strategies

Site reliability engineers set up observability, incident management and patch management so cloud services meet the level the business agreed to. Which AWS CAF perspective does this work belong to?

Question 31Migration benefits and strategies

A manufacturer moves its workloads to AWS partly to cut the energy use and carbon footprint of its IT. Which AWS CAF business outcome does this target?

Question 32Migration benefits and strategies

A publisher expects the cloud to let it launch new digital subscription products and enter new markets faster. Which AWS CAF business outcome is it aiming for?

Question 33Migration benefits and strategies

A credit union moves to AWS expecting fewer outages, a stronger security posture and less chance of buying hardware it later does not need. Which AWS CAF business outcome does this describe?

Question 34Migration benefits and strategies

A group of architects and engineers is building a scalable hybrid cloud environment, modernizing existing workloads and adding cloud-native applications. Which AWS CAF perspective covers their work?

Question 35Migration benefits and strategies

A chief information security officer leads the part of a cloud adoption plan that protects the confidentiality, integrity and availability of data and workloads. Which AWS CAF perspective is this?

Question 36Migration benefits and strategies

Before deciding to migrate, a chief financial officer wants a data-driven business case that uses the company's on-premises server inventory and utilization to project what it would cost to run on AWS. Which AWS offering is designed for this?

Question 37Migration benefits and strategies

A media company wants to move its whole VMware-based environment to the cloud at the hypervisor level, keeping its virtual machines and operations as they are and buying no new hardware. Which migration strategy describes this?

Question 38Migration benefits and strategies

A logistics firm is moving from a commercial database engine to a different, open-source-compatible engine on AWS. It first needs to convert the database schema and stored procedures to work on the new engine. Which tool is designed for this?

Question 39Design principles and the Well-Architected Framework

Which pillar of the Well-Architected Framework includes the design principle 'adopt a consumption model', meaning you pay only for the computing resources you use?

Question 40Design principles and the Well-Architected Framework

A gaming company finds its relational database cannot serve player profile lookups fast enough. It moves those lookups to a key-value database built for that access pattern. Which Well-Architected pillar does this decision reflect?

Question 41Design principles and the Well-Architected Framework

A small company uses a managed machine learning service instead of hiring specialists to build and run ML infrastructure. Which pillar's design principle 'democratize advanced technologies' does this follow?

Question 42Design principles and the Well-Architected Framework

A healthcare startup decides to encrypt patient records both when stored and when sent over the network. Which pillar of the Well-Architected Framework does this decision address?

Question 43Design principles and the Well-Architected Framework

A team schedules a planned event where it simulates an Availability Zone failure in a test environment to practice its response. Which general design principle of the Well-Architected Framework is this?

Question 44Design principles and the Well-Architected Framework

To reduce the environmental impact of its storage, a research lab deletes data sets no one has used in years and moves rarely read data to colder storage classes. Which pillar is the lab applying?

Question 45Design principles and the Well-Architected Framework

Which pillar of the Well-Architected Framework includes the design principles 'maximize utilization' and 'anticipate and adopt new, more efficient hardware and software offerings'?

Question 46Design principles and the Well-Architected Framework

A bank uses automated tools so that employees do not need to read customer records directly to do their jobs. Which pillar's design principle 'keep people away from data' does this apply?

Question 47Design principles and the Well-Architected Framework

A retailer replaces one very large web server with several smaller servers spread across Availability Zones, so a single failure affects only a fraction of its customers. Which pillar's design principle does this follow?

Question 48Design principles and the Well-Architected Framework

A software team ships many small updates each day, each one easy to roll back if something goes wrong. Which Well-Architected pillar lists 'make frequent, small, reversible changes' as a design principle?

Question 49Design principles and the Well-Architected Framework

A company tags every resource with the team that owns it so it can see which teams drive its cloud spending and hold them accountable. Which Well-Architected pillar does this practice support?

Question 50Design principles and the Well-Architected Framework

A company regularly tests its recovery procedures by simulating the failures that have hurt it in the past. Which pillar of the Well-Architected Framework includes the design principle of testing recovery procedures?

Question 51Design principles and the Well-Architected Framework

A team building a serverless application wants Well-Architected guidance that is specific to serverless workloads, on top of the general framework. What should it apply in the AWS Well-Architected Tool?

Question 52Design principles and the Well-Architected Framework

A project manager asks what the AWS Well-Architected Tool does. Which description is accurate?