Microsoft Azure Solutions Architect Expert AZ-305 Practice Question
Your company is developing a new reporting application that will use a single Azure SQL relational database. The workload is highly unpredictable: some days only a few dozen queries per hour, while month-end reporting drives thousands of concurrent requests for several hours. The database is rarely accessed overnight or on weekends. The data volume is expected to remain below 2 TB, and management wants to minimize compute cost while still meeting Azure SQL Database's 99.99 percent availability SLA. Which deployment option should you recommend?
Single database in the General Purpose tier with provisioned vCore compute.
Azure SQL Managed Instance deployed in the Business Critical service tier.
Single database in the Hyperscale tier with provisioned compute.
Single database in the General Purpose serverless compute tier with auto-pause enabled.
The General Purpose serverless compute tier for a single Azure SQL Database automatically scales vCores up and down based on workload demand and can pause during periods of inactivity, incurring charges only for storage while paused. It therefore offers the lowest possible compute cost for spiky, intermittently idle workloads while still providing the built-in 99.99 percent availability SLA that applies to all Azure SQL Database compute tiers. Provisioned General Purpose allocates compute permanently, so cost savings during idle times are not realized. Hyperscale supports large databases and rapid storage growth but does not support auto-pause and would add unnecessary cost and complexity for a sub-2 TB database. Managed Instance Business Critical offers additional features and higher resiliency but is a fixed, premium-priced provisioned tier that also cannot pause, making it more expensive than required.
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Microsoft Azure Solutions Architect Expert AZ-305
Design data storage solutions
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