AWS Certified Cloud Practitioner Study Guide - Chapter 1

Which of the following are signs of a highly available application? (Select TWO) A. A failure in one geographoic region will trigger an automatic failover to resources in a different region B. Applicaitons are protected behind multiple layers of seurity C. virtualized hypervisor-driven systems are depoloyed as mandated by company policy D. Spikes in user demakd are met through automatically increatsing resources

A. A failure in one geographoic region will trigger an automatic failover to resources in a different region D. Spikes in user demakd are met through automatically increatsing resources

Which of the following are direct benefits of server virtualization? (Select TWO) A. Fast resource provisioning and launching B. Efficient (high-density) use of resources C. Greater application security D. Elastic applicaiton designs

A. Fast resource provisioning and launching B. Efficient (high-density) use of resources

Which of the following best describes scalability? A. The ability of an application to automatically add preconfigured compute resources to meet increasing demand B. The ability of an application to increase or decrease compute resources to match changing demand C. The ability to more densely pack virtualized resources onto a single physical server D. The ability to bill resource usage using a pay-per-user model

A. The ability of an application to automatically add preconfigured compute resources to meet increasing demand

Which of the following characteristics most help AWS provide such scalable services? A. The enormous number of servers it operates B. The value of its capitalized assets C. Its geographic reach D. Its highly automated infrastructure adminitration systems

A. The enormous number of servers it operates D. Its highly automated infrastructure adminitration systems

Which of the following best describes Software as a Service products? A. Service that give you direct contol over underlying compute and storage resources B Service that provide a service to end users through a public network C. Services that hide infrastructure complexity bvehind a simle interface D. Platforms that allow developers to run their code over short periods on cloud servers

B Service that provide a service to end users through a public network

How does the metered paymen tmodel make many benefits of cloud computing possible? (Select TWO) A. Greatere applicaiton security is now possible B. Experiments with multiple configuraiton options are now cost-effective C. Applicaitons are now hightly scalable D. Fullstack applications are possible without the need to invest in capital expenses

B. Experiments with multiple configuraiton options are now cost-effective D. Fullstack applications are possible without the need to invest in capital expenses

Which of the following best describes server virtualization? A. "Sharding" data from multiple sources into a single virtual data store B. Logically partitioning physical compute and storage devices into multiple smaller virtual devices C. Aggregating physical resources spread over multiple physical devices into a single virtual device D. Abstractivng the compexity of physical infrastructure behind a simple web interface

B. Logically partitioning physical compute and storage devices into multiple smaller virtual devices

Which of the following does not contribute significantly to the operational value of a large cloud provider like AWS? A. Multiregional presence B. Highly eperienced teams of security engineers C. Deep experience in the retail sphere D. Metered, pay-per-use pricing

C. Deep experience in the retail sphere

Which of the following best describes Infrastructure as a Service products? A. Services that hide infrastructure complexity bvehind a simle interface B Service that provide a service to end users through a public network C. Service that give you direct contol over underlying compute and storage resources D. Platforms that allow developers to run their code over short periods on cloud servers

C. Service that give you direct contol over underlying compute and storage resources

Which of the following best describes Platform as a Service products? C. Services that hide infrastructure complexity bvehind a simple interface D. Platforms that allow developers to run their code over short periods on cloud servers A. Service that give you direct contol over underlying compute and storage resources B Service that provide a service to end users through a public network

C. Services that hide infrastructure complexity bvehind a simple interface

Which of the following best describes elasticity? A. The ability to more densely pack virtualized resources onto a single physical server B. The ability to bill resource usage using a pay-per-user model C. The ability of an application to increase or decrease compute resourcces to match changing demand D. The ability of an applicaiton to automatically add preconfigured comput resources to meet increasing demand

C. The ability of an application to increase or decrease compute resourcces to match changing demand

What is a hypervisor? A. Hardware device used to provide an interface between storage and compute modules B. Hardware device used to provide an interface between networking and compute modules C. Software used to log and monitor virtualized operations D. Software used to administrate virtualized resources run on physical infrastructure

D. Software used to administrate virtualized resources run on physical infrastructure