The answer is `gcloud app deploy`. This command is correct because when the `app.yaml` file is present in the current working directory, the Google Cloud SDK automatically detects that configuration file and uses it to deploy the application code to App Engine Standard, handling all staging, versioning, and traffic migration behind the scenes. On the Google Associate Cloud Engineer exam, this question tests your understanding of the fundamental deployment workflow for App Engine Standard, and a common trap is confusing this with `gcloud app deploy --image-url` (used for Flex) or `gcloud functions deploy` (for Cloud Functions). The exam expects you to know that App Engine Standard relies on a simple `app.yaml` in the source directory, and no additional flags are required for a basic deployment. A helpful memory tip: think of `gcloud app deploy` as the "default deploy" — if you have an `app.yaml` file, you are ready to go with just that command, no extra flags needed.
Google ACE Deploying and implementing a cloud solution Practice Question
This ACE practice question tests your understanding of deploying and implementing a cloud solution. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A developer has an App Engine Standard application ready to deploy. The app.yaml file is in the current working directory. Which command deploys the application?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "which command"
Why it matters: Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
gcloud app deploy
The `gcloud app deploy` command is the correct way to deploy an App Engine Standard application when the `app.yaml` file is present in the current working directory. This command automatically detects the configuration file and uploads the application code to the specified App Engine service, handling the deployment process including staging, versioning, and traffic migration.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
gcloud app create --config=app.yaml
Why it's wrong here
`gcloud app create` initializes App Engine in the project region — it's a one-time setup step, not for deploying code.
✓
gcloud app deploy
Why this is correct
`gcloud app deploy` reads the app.yaml in the current directory, builds the application, and deploys it to App Engine Standard.
Clue confirmation
The clue word "which command" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
gcloud appengine deploy app.yaml
Why it's wrong here
`gcloud appengine` is not a valid command group. Use `gcloud app`.
✗
gcloud run deploy --platform=appengine
Why it's wrong here
`--platform=appengine` is not a valid flag for `gcloud run deploy`. Cloud Run and App Engine are separate deployment commands.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse `gcloud app deploy` with `gcloud app create` or Cloud Run commands, or they misremember the exact subcommand syntax, leading them to choose invalid options like `gcloud appengine deploy`.
Trap categories for this question
Command / output trap
`gcloud appengine` is not a valid command group. Use `gcloud app`.
Detailed technical explanation
How to think about this question
Under the hood, `gcloud app deploy` reads the `app.yaml` configuration to determine runtime, service name, and scaling settings, then packages the application into a deployment artifact (e.g., a tarball for the standard environment) and uploads it to Google Cloud Storage before triggering the App Engine Admin API to create a new version. A subtle behavior is that if no `app.yaml` is found, the command will prompt for one, and it can also deploy multiple services by specifying multiple YAML files or directories.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this ACE question in full detail.
Deploying and implementing a cloud solution — This question tests Deploying and implementing a cloud solution — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: gcloud app deploy — The `gcloud app deploy` command is the correct way to deploy an App Engine Standard application when the `app.yaml` file is present in the current working directory. This command automatically detects the configuration file and uploads the application code to the specified App Engine service, handling the deployment process including staging, versioning, and traffic migration.
What should I do if I get this ACE question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "which command". Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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