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Objective 3.1

PCD

Deploying applications to Cloud Run

Objective 3.1 sits in Configuring cloud-native applications for deployment, which carries 24% of the Cloud Developer 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.

3-1Configuring cloud-native applications for deployment

A team notices its service takes seconds to answer the first request after a quiet night. Which default behaviour accounts for that?

The revision is redeployed each morningRevisions are immutable once created and are not rebuilt on a schedule.
An idle revision is scaled to zeroCorrect · your answerCorrect. Nothing was running when the request landed.
The container image is re-pulled hourlyAn image is pulled when an instance starts, not on a clock.
Traffic is routed to a cold region firstRegion choice does not change between a quiet night and a busy morning.

Correct.

Concept

Releasing capacity that nothing is using is what makes idle time free, and the price of that is paid the next time something arrives.

Why B

A revision receiving no traffic falls to zero instances by default. Keeping one warm requires the minimum instances setting, which is also the fix when a service uses CPU between requests.

Source

When a revision does not receive any traffic, by default, it is scaled to zero instances. You can change this default to specify an instance to be kept idle or "warm" using the minimum instances setting.

About instance autoscaling in Cloud Run services, checked August 2026
#gcp#cloud-run#autoscaling#cold-start

Now you: objective 3.1 questions

No account needed. The explanation opens when you answer.

Sample question 1 of 3

3-1Configuring cloud-native applications for deployment

A team runs a memory bound service and wants instance count driven by memory pressure. What does the autoscaler support?

Sample question 2 of 3

3-1Configuring cloud-native applications for deployment

A team asks at what utilization the autoscaler begins adding instances when nothing has been customised. What is the default target?

Sample question 3 of 3

3-1Configuring cloud-native applications for deployment

A team sees the CPU driver asking for four instances while the concurrency driver asks for seven. Which count does the autoscaler move toward?

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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.

More objectives in Configuring cloud-native applications for deployment