Cloud Economics and Serverless: 10 practice questions

Question 1 of 10

What defines the consumption-based cloud model?

1. ACustomers retain every resource after demand decreases
2. BCustomers pay for the IT resources they use
3. CBuy maximum capacity before using it
4. DCustomers pay for idle hardware kept permanently on-site

Question 2 of 10

Which purchase is a capital expenditure?

1. ACPU charges while a function executes
2. BRecurring service spending that changes with workload use
3. COngoing spending for cloud services as they are consumed
4. DUpfront spending on servers and datacenter space

Question 3 of 10

What characterizes Azure Functions as a serverless compute option?

1. ATeams maintain containers that remain provisioned while no events occur
2. BApplications require virtual machines to stay running between every event
3. CDatacenter hardware must be purchased before a function can receive events
4. DEvents trigger code without requiring virtual machine or container maintenance

Question 4 of 10

What is the risk of overestimating capacity in a traditional datacenter?

1. AThe provider deallocates resources as soon as an event finishes
2. BThe organization pays for infrastructure that remains idle
3. CThe application degrades because too little hardware was purchased
4. DExcess hardware is released from the site

Question 5 of 10

Why is consumption-based cloud spending classified as operational expenditure?

1. AIt is ongoing spending on services as they are used
2. BCapacity stays fixed before workload use
3. CIt requires ownership of datacenter space before service use
4. DIt is an upfront purchase of physical servers and network hardware

Question 6 of 10

Which event can trigger an Azure Function according to the serverless model?

1. AA hardware purchase before each request
2. BA manual container restart required before every code execution
3. CA timer, REST request, or message from another Azure service
4. DA permanent allocation of idle virtual machines without an event

Question 7 of 10

How does Azure Functions align resource use with execution?

1. AIt requires fixed hardware capacity and charges an upfront server purchase
2. BIt keeps resources provisioned after execution and charges for idle CPU time
3. CIt prevents automatic scaling and reserves unchanged capacity for every workload
4. DIt deallocates resources when execution ends and charges for used CPU time

Question 8 of 10

A retailer expects a brief seasonal demand spike and wants to avoid owning unused capacity afterward. Which approach fits?

1. APurchase fixed maximum capacity and treat idle infrastructure as consumed capacity
2. BUnderestimate peak demand and postpone hardware orders until performance degrades
3. CBuy permanent datacenter capacity for the peak and keep it after demand falls
4. DAdd cloud resources for the spike, then release them as demand falls

Question 9 of 10

A team needs short code execution when a service message arrives, with no resources provisioned between messages. Which option fits?

1. AA customer-maintained container reserved while no messages arrive
2. BA virtual machine kept running continuously between messages
3. CAn on-site server purchased and left idle between messages
4. DAn Azure Function triggered by the service message

Question 10 of 10

A company underestimated demand for its traditional datacenter, and application performance is degrading. What remediation does that model require?

1. AOrder, install, and provision additional hardware, power, and cooling
2. BWait for a serverless trigger to deallocate the overloaded physical hosts
3. CRelease cloud resources immediately and continue with less installed capacity
4. DConvert the existing hardware purchase into usage-based CPU billing automatically