This DVA-C02 practice question tests your understanding of development with aws services. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.
Exhibit
Refer to the exhibit.
Error: Runtime.ImportModuleError: Unable to import module 'lambda_function': No module named 'requests'
A developer is running a Lambda function that uses the 'requests' library. The error shown in the exhibit occurs when invoking the function. Which step should the developer take to fix this?
Exhibit
Refer to the exhibit.
Error: Runtime.ImportModuleError: Unable to import module 'lambda_function': No module named 'requests'
A
Change the Lambda runtime to Python 3.9 which includes requests
Why wrong: No runtime includes requests by default.
B
Package the 'requests' library with the Lambda deployment package
Include dependencies in a .zip file or use Lambda layers.
C
Use the 'urllib' library instead of 'requests'
Why wrong: While urllib is available, the developer may still need requests.
D
Install the 'requests' library using pip in the Lambda console
Why wrong: The console does not allow runtime package installation.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Package the 'requests' library with the Lambda deployment package
The 'requests' library is not included in the AWS Lambda Python runtime by default. To use it, the developer must package the library as a dependency layer or include it in the deployment package. Option B correctly identifies this approach, ensuring the library is available at runtime.
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.
✗
Change the Lambda runtime to Python 3.9 which includes requests
Why it's wrong here
No runtime includes requests by default.
✓
Package the 'requests' library with the Lambda deployment package
Why this is correct
Include dependencies in a .zip file or use Lambda layers.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use the 'urllib' library instead of 'requests'
Why it's wrong here
While urllib is available, the developer may still need requests.
✗
Install the 'requests' library using pip in the Lambda console
Why it's wrong here
The console does not allow runtime package installation.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume AWS Lambda runtimes include popular third-party libraries like 'requests', but in reality only the standard library is provided, so dependencies must be bundled manually.
Detailed technical explanation
How to think about this question
When packaging a Lambda deployment with the 'requests' library, the developer must install it into a local directory using 'pip install requests -t .' and then zip the contents along with the function code. This ensures the library is available in the Lambda execution environment. A common pitfall is forgetting to include the library's dependencies (e.g., urllib3, chardet, certifi) which are automatically installed by pip.
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.
Quick reference
Cloud Service Model Comparison
Model
You Manage
Provider Manages
Examples
IaaS
OS, runtime, apps, data
Hardware, hypervisor, networking
EC2, Azure VMs, GCP Compute Engine
PaaS
Apps and data
OS, runtime, middleware, hardware
Elastic Beanstalk, Azure App Service
SaaS
Data and settings only
Everything else
Microsoft 365, Salesforce, Workday
FaaS / Serverless
Function code only
Infra, scaling, runtime
Lambda, Azure Functions, Cloud Run
CaaS
Containers and apps
Kubernetes, OS, hardware
EKS, AKS, GKE
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Development with AWS Services — This question tests Development with AWS Services — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Package the 'requests' library with the Lambda deployment package — The 'requests' library is not included in the AWS Lambda Python runtime by default. To use it, the developer must package the library as a dependency layer or include it in the deployment package. Option B correctly identifies this approach, ensuring the library is available at runtime.
What should I do if I get this DVA-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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