AZ-900 · Practice set 3 of 5
Cloud Computing and Shared Responsibility: 10 practice questions
10 free AZ-900 practice questions on Cloud Computing and Shared Responsibility, with an explanation for every answer. Untimed. The full mock exam and the timed version are in the app.
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Question 1 of 10
What is cloud computing?
- AThe replacement of internet services with a private network
- BBuying physical servers for an on-site datacenter
- CThe maintenance of computing services without internet delivery
- DThe delivery of computing services over the internet
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Internet delivery is the defining boundary; buying and maintaining local physical infrastructure describes traditional datacenter operation.
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Question 2 of 10
Which resource is always the cloud provider's responsibility?
- AThe physical hosts in the provider's datacenter
- BThe customer's accounts and identities in the environment
- CThe customer's devices permitted to connect to the cloud
- DCustomer information stored in cloud services
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Physical datacenters, networks, and hosts stay with the provider, while data, connected devices, accounts, and identities stay with the consumer.
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Question 3 of 10
Which item always remains the cloud consumer's responsibility?
- AThe power and cooling for the physical datacenter
- BPhysical hosts running the cloud platform
- CThe information and data stored in the cloud
- DThe physical network inside the provider's datacenter
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The consumer retains ownership of stored information and data; the provider owns the facilities and physical infrastructure beneath the service.
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Question 4 of 10
Which set contains responsibilities that can shift with the cloud service type?
- APhysical datacenters, physical networks, and physical hosts
- BDatacenter power, datacenter cooling, and physical security
- COperating systems, network controls, and applications
- DCustomer data, connected devices, and customer accounts
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Software and control layers can move between consumer and provider as the service type changes; physical infrastructure stays with the provider and customer assets stay with the consumer.
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Question 5 of 10
How does responsibility generally change from IaaS through PaaS to SaaS?
- AMore responsibility shifts from the consumer to the provider
- BMore physical datacenter responsibility shifts to the consumer
- CMore customer data responsibility shifts to the provider
- DEvery responsibility shifts from the provider to the consumer
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IaaS leaves the most responsibility with the consumer, PaaS is the middle ground, and SaaS leaves most responsibility with the provider.
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Question 6 of 10
What distinguishes an on-premises datacenter from the cloud responsibility model?
- AThe provider maintains the database while the customer manages its data
- BThe provider remains responsible for the physical hosts and network
- CThe consumer and provider divide duties according to the service type
- DThe organization is responsible for the entire infrastructure and software stack
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On-premises operation leaves physical facilities, infrastructure, software, and maintenance with the organization; cloud operation divides duties with a provider.
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Question 7 of 10
Which cloud characteristic supports rapid infrastructure expansion?
- ACapacity can be obtained without first building another physical datacenter
- BCapacity requires replacing internet delivery with dedicated on-site networking
- CCapacity can increase only after the organization installs new physical servers
- DCapacity remains constrained by the organization's existing datacenter footprint
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Internet-delivered cloud services let an organization expand its IT footprint without the lead time required to build physical datacenter capacity.
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Question 8 of 10
A company uses a cloud SQL database. Who maintains the database, and who remains responsible for the ingested data?
- AThe consumer maintains both the physical hosts and the provider's physical network
- BThe provider maintains the database; the consumer remains responsible for the data
- CThe provider maintains both the database and the consumer's access decisions
- DThe consumer maintains the database; the provider becomes responsible for the data
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A managed cloud database moves database maintenance to the provider without moving ownership of customer data or access decisions.
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Question 9 of 10
A team installs an SQL database on a cloud virtual machine. Which database duties belong to the consumer?
- ASupplying datacenter power and managing the provider's network connectivity
- BMaintaining the physical host and cooling and securing the datacenter
- CMaintaining the provider's physical network and replacing its physical hosts
- DApplying database patches and updates and maintaining the stored data
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Installing database software on a virtual machine keeps database maintenance with the consumer, while physical infrastructure remains with the provider.
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Question 10 of 10
An organization wants the provider to carry most service responsibility while the organization retains its data and identities. Which service type best matches?
- AOn-premises, where the provider maintains the full software stack
- BSaaS, where most responsibility rests with the provider
- CIaaS, where the consumer carries the most responsibility
- DPaaS, where every responsibility rests entirely with the consumer
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SaaS is the provider-heavy end of the responsibility spectrum; IaaS is consumer-heavy and PaaS is the middle ground.
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