This MLA-C01 practice question tests your understanding of mla-c01 exam topics. 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.
Exhibit
#!/bin/bash
set -e
cd /home/ec2-user/SageMaker
git clone https://github.com/org/repo.git
pip install -r requirements.txt
Refer to the exhibit. A user launches a SageMaker notebook instance with this lifecycle configuration. What happens?
Exhibit
#!/bin/bash
set -e
cd /home/ec2-user/SageMaker
git clone https://github.com/org/repo.git
pip install -r requirements.txt
A
The script runs every time the notebook is started
Lifecycle configurations execute on each instance start event.
B
The script runs after each kernel reset
Why wrong: Kernel resets do not trigger lifecycle configurations.
C
The script runs only on the first start
Why wrong: They run on every start, not just the first.
D
The script runs only when creating the instance
Why wrong: Creation is a start event, but subsequent starts also trigger the script.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The script runs every time the notebook is started
The lifecycle configuration script is set to run 'on-start', which means it executes every time the SageMaker notebook instance transitions to the 'InService' state, including initial creation and subsequent starts. This is distinct from 'on-create', which runs only once during instance provisioning. Therefore, the script runs on every start, making option A correct.
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.
✓
The script runs every time the notebook is started
Why this is correct
Lifecycle configurations execute on each instance start event.
Related concept
Read the scenario before looking for a memorised answer.
✗
The script runs after each kernel reset
Why it's wrong here
Kernel resets do not trigger lifecycle configurations.
✗
The script runs only on the first start
Why it's wrong here
They run on every start, not just the first.
✗
The script runs only when creating the instance
Why it's wrong here
Creation is a start event, but subsequent starts also trigger the script.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The key trap in this question is the distinction between 'on-start' and 'on-create' lifecycle events in SageMaker. Candidates often assume that a lifecycle script runs only once or on kernel resets, but 'on-start' executes every time the notebook instance is started, including after stopping and starting.
Detailed technical explanation
How to think about this question
Under the hood, SageMaker notebook instances use CloudWatch Events to trigger lifecycle scripts when the instance state changes. The 'on-start' script is executed as a root user process before the notebook kernel is available, allowing for package installations or configuration changes that persist across stops and starts. A subtle behavior is that if the script fails, the instance may fail to reach 'InService' status, which is a common troubleshooting point.
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.
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.
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: The script runs every time the notebook is started — The lifecycle configuration script is set to run 'on-start', which means it executes every time the SageMaker notebook instance transitions to the 'InService' state, including initial creation and subsequent starts. This is distinct from 'on-create', which runs only once during instance provisioning. Therefore, the script runs on every start, making option A correct.
What should I do if I get this MLA-C01 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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