Course #1 Practice Test Flashcards
(15 cards)
What is a key broad theme applicable across many cloud benefits like scalability, high availability, reliability, and predictability?
a) Centralized control
b) Manual resource allocation
c) Automation plus instantly available resources
d) Limited flexibility
c) Automation plus instantly available resources
What does high availability in the cloud primarily mean?
a) Low cost
b) Systems are always available, even automatically
c) Easy management
d) High performance
b) Systems are always available, even automatically
Scalability in the cloud refers to what types of scaling and resource provision?
a) Only scaling up manually
b) Scaling out (horizontal) or scaling up (vertical), while automatically providing resources
c) Reducing resource usage
d) Fixed resource allocation
b) Scaling out (horizontal) or scaling up (vertical), while automatically providing resources
Reliability in the cloud, as described, concerns the ability to tolerate what?
a) High costs
b) Failures or even total disasters
c) Security breaches
d) Slow performance
b) Failures or even total disasters
Predictability in the cloud involves knowing what aspects of your application?
a) Only future costs
b) Only current performance
c) Always knowing expected minimum performance and cost (now and future)
d) Only security vulnerabilities
c) Always knowing expected minimum performance and cost (now and future)
Which cloud service type is most easily thought of as managed infrastructure and is almost always synonymous with virtual machines (VMs)?
a) SaaS
b) PaaS
c) IaaS
d) Serverless
c) IaaS
Compared to other cloud service models, which one offers the most amount of control and flexibility, but also the most customer responsibility?
a) Software as a Service (SaaS)
b) Platform as a Service (PaaS)
c) Infrastructure as a Service (IaaS)
d) Serverless
c) Infrastructure as a Service (IaaS
Which cloud service type is defined as a fully managed cloud solution where the vendor handles the underlying infrastructure, freeing the customer to focus on application development?
a) Infrastructure as a Service (IaaS)
b) Software as a Service (SaaS)
c) Platform as a Service (PaaS)
d) Managed Infrastructure Service
c) Platform as a Service (PaaS)
Serverless computing is described as an extreme version of which cloud service type?
a) IaaS
b) PaaS
c) SaaS
d) Hybrid Cloud
b) PaaS
Which cloud service type is defined as ready-to-go cloud-based software, typically productivity applications, accessed over the internet with hosting and scaling handled?
a) Infrastructure as a Service (IaaS)
b) Platform as a Service (PaaS)
c) Software as a Service (SaaS)
d) Serverless
c) Software as a Service (SaaS)
What is the definition of cloud computing?
a) Storing data off-site
b) Renting physical servers
c) The on-demand delivery of compute services over the internet
d) Building a private data center
c) The on-demand delivery of compute services over the internet
In the shared responsibility model, what is the customer always responsible for?
a) Physical host, physical network, physical data center access
b) Information and data, device security, and accounts and identities c) Operating system updates
d) Physical security
b) Information and data, device security, and accounts and identities
In the shared responsibility model, what is the cloud provider always responsible for?
a) Customer data
b) Device security
c) Accounts and identities
d) All the physical assets like physical host, physical network, and the physical data center access
d) All the physical assets like physical host, physical network, and the physical data center access
Which cloud model is described as a cloud for one customer, similar to an on-premises data center, not available to the general public?
a) Public cloud
b) Hybrid cloud
c) Private cloud
d) Community cloud
c) Private cloud
What is the key difference between Capital Expenditures (CapEx) and Operational Expenditures (OpEx)?
a) CapEx is pay-as-you-go, OpEx is upfront
b) OpEx is a pay-as-you-go structure versus the large upfront investments of CapEx
c) CapEx is operational cost, OpEx is capital investment
d) Both involve forecasting long-term needs
b) OpEx is a pay-as-you-go structure versus the large upfront investments of CapEx