Objective 2.2
PCAConfiguring individual storage systems
Objective 2.2 sits in Managing and provisioning a cloud solution infrastructure, which carries 17.5% of the Cloud Architect exam. The questions below are original, written from the official objective title above, and each explanation cites the Google Cloud page it rests on.
Objective title verbatim from the official objectives. Google Cloud exam page ↗
A worked example
Shown solved, with the whole explanation open: this is what every question here carries.
An engineer proposes Local SSD both for the boot volume of a compute instance and for its scratch data. Which half of that proposal fails?
Correct.
Concept
Durability is the first question to ask about a volume and speed is the second, since the fastest option in any catalogue is the wrong one whenever the data has to still be there after a restart.
Why A
Temporary block storage is the fastest offering but its data is lost whenever the VM stops, suspends, restarts, crashes or fails, and it cannot be used as a boot volume.
Source
Choose a disk type, Compute Engine documentation, checked August 2026Temporary, or ephemeral, block storage offers the fastest performance among all block storage types, with the tradeoff that the stored data is lost if the VM stops for any reason . Data is lost if you stop, suspend, or restart the VM, or if the VM crashes or fails. Because of its ephemeral nature, use temporary block storage for only scratch data, caches such as tempdb for Microsoft SQL Server, or storage for flash-optimized databases. You can't use temporary block storage as a boot volume.
Now you: objective 2.2 questions
No account needed. The explanation opens when you answer.
Sample question 1 of 3
A Persistent Disk volume needs more IOPS, though the data on it is not growing at all. What does that leave the team having to do?
Sample question 2 of 3
A team stops several instances overnight to save money and finds the storage line on the bill unchanged. What accounts for that?
Sample question 3 of 3
An engineer needs a boot volume on a machine series that does not support Hyperdisk. Which block storage does the selection procedure land on?
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Read the sources
These are the official pages the questions above cite. Reading them is studying the objective from the primary source, which is what the explanations point you toward anyway.