Question 20 A retailer pays for servers it owns before any customer traffic arrives. What type of spending is the equipment acquisition? Capital expenditure on owned infrastructure A per-transaction public cloud storage charge An automatically waived hardware expense Only a usage charge for transient Azure functions Explanation Correct Answer A:Buying physical assets typically creates an upfront capital purchase rather than metered cloud usage. Incorrect Answers B:Cloud storage metering is unrelated to this owned server purchase. C:Purchasing equipment creates an expense or asset regardless of future utilization. D:The retailer bought servers, not function executions.
Question 21 A streaming service handles traffic that varies greatly by hour. Which pricing advantage can it gain by using metered elastic infrastructure? Paying for provisioned usage as capacity changes Guaranteeing zero charges for all data transfer Paying permanently for peak capacity even when idle Ignoring all monitoring because the provider handles billing Explanation Correct Answer A:Releasing unneeded resources can align charges more closely with actual demand. Incorrect Answers B:Data movement can still incur service charges. C:Fixed peak provisioning removes the intended consumption advantage. D:Usage-based pricing increases the value of cost visibility.
Question 22 A team moves from a fixed hardware lease to consumption billing and asks what financial risk changes. What is a sound response? Application demand has no effect on consumption spend Costs can fluctuate with usage unless budgets and controls are applied Cloud usage automatically has a fixed annual bill for every tenant Costs cannot be estimated before deployment under any circumstances Explanation Correct Answer B:Measured spending provides flexibility but needs monitoring and cost governance. Incorrect Answers A:Resource usage and traffic often affect the bill. C:Actual charges depend on services, amounts and commercial terms. D:Pricing tools allow estimates though actual usage may differ.
Question 23 An unpredictable proof-of-concept runs for only several days and has no stable baseline. Which purchasing approach is usually easiest to align with that uncertainty? Keeping unused reserved capacity after the project ends A long-term commitment for consistently high usage Buying a permanent private datacenter solely for the experiment Pay-as-you-go consumption Explanation Correct Answer D:A short uncertain experiment avoids committing to capacity that might not be needed. Incorrect Answers A:Idle committed capacity erodes the flexibility sought. B:A long commitment assumes predictable usage that is not established. C:Capital acquisition is disproportionate to a short-lived test.
Question 24 A business has a steady, known baseline workload for years. What cost approach may be worth evaluating compared with pure pay-as-you-go pricing? An assurance that every cloud product has the same reservation discount Never reviewing service eligibility or term conditions Automatically doubling all instances during quiet periods Eligible commitment or reservation discounts for predictable usage Explanation Correct Answer D:Predictable demand may justify discounts if the exact service and term support them. Incorrect Answers A:Discount mechanisms vary by service and purchase conditions. B:Reservations and savings plans have scope and coverage rules. C:Increasing unneeded resource usage raises cost rather than securing savings.
Question 25 A team runs a fault-tolerant batch that can restart after interruption. Which pricing idea uses spare capacity at a discount with possible eviction? Spot virtual machine capacity A standard dedicated reserved instance with uninterrupted guarantee A SaaS licensing seat assigned to one employee A storage-account access tier for files Explanation Correct Answer A:Spot pricing can reduce costs when the workload tolerates evictions and retries. Incorrect Answers B:Reserved purchasing differs from eviction-prone spare capacity. C:User licensing does not provide discounted interruptible compute. D:Storage tiers are not the same as VM spare-capacity pricing.
Question 26 A critical stateful application cannot tolerate unexpected VM eviction. Which consideration argues against relying solely on Azure Spot VMs? Spot VMs always deliver more availability than standard VMs Spot capacity can be reclaimed by Azure with limited notice Spot prices are identical to hardware capital spending Spot VMs remove the need for application state recovery Explanation Correct Answer B:Interruption risk conflicts with a workload that requires continuous availability. Incorrect Answers A:They are intended for workloads able to tolerate interruption. C:Spot is a metered cloud compute purchasing option. D:State recovery is especially important with evictable compute.
Question 27 A developer deploys event-triggered code without managing individual servers or patching a guest OS. Which computing model is described? Owning a bare-metal server in a locked office A storage archive that never executes code Running an always-on guest operating system by hand Serverless computing Explanation Correct Answer D:The platform operates servers and scales the execution environment while the developer focuses on event-handling code. Incorrect Answers A:Bare-metal ownership requires managing the machine. B:Storage alone does not execute event handlers. C:Self-managed VM hosting is not the described infrastructure abstraction.
Question 28 An executive assumes serverless applications run on no physical servers anywhere. What correction is accurate? Servers still exist, but the provider abstracts their management Every tenant must patch each serverless host OS Physical processors are unnecessary for code execution Serverless refers only to applications installed on employee laptops Explanation Correct Answer A:Serverless changes the operations boundary rather than eliminating hardware. Incorrect Answers B:The provider manages the serverless platform infrastructure. C:Computing still requires underlying infrastructure. D:The term concerns cloud execution abstraction, not laptop software.
Question 29 A photo service needs to process a file whenever an upload arrives, with no dedicated always-running VM for the handler. Which model is most suitable? Event-driven serverless functions An offline desktop tool launched once a month An always-on VM manually polled by an operator A private cloud physical server bought for each file Explanation Correct Answer A:A storage-triggered function can execute on events without maintaining a continuously running guest VM. Incorrect Answers B:The requirement is immediate event handling, not manual offline processing. C:A permanent VM imposes management and idle capacity overhead. D:Per-file hardware procurement cannot react to individual uploads.
Question 30 A developer expects a short-lived serverless function instance to retain reliable application state in local memory across all future invocations. Which response is correct? Persist durable state in an external appropriate service Write records only to temporary execution disk and never persist them Assume each invocation reuses the same process indefinitely Disable all application authentication to make state survive Explanation Correct Answer A:Function execution instances can change; local process memory is not a durable cross-invocation store. Incorrect Answers B:Ephemeral local storage is not reliable for durable application state. C:Event-driven compute can scale and recycle instances. D:Authentication settings do not create durable process memory.
