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Question 60 of 1,733

Operations and Maintenance →mediumMultiple ChoiceObjective-mapped

PAS-C01 Operations and Maintenance Practice Question

This PAS-C01 practice question tests your understanding of operations and maintenance. 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 company is running SAP ERP on AWS and uses SAP HANA as the database. The system administrator needs to apply an OS patch that requires a reboot. The SAP HANA database is running in a scale-out configuration across multiple EC2 instances. What is the best approach to minimize downtime?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Clue: "minimum / minimize"
Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.

A
Perform a rolling reboot of the HANA nodes, rebooting one node at a time.
Correct. Performing a rolling reboot allows the HANA database to remain online by rebooting nodes sequentially, ensuring availability during patching.
B
Take EBS snapshots of all volumes before patching, then patch one by one.
Why wrong: EBS snapshots are for backup, not for minimizing downtime during patching.
C
Create an AMI of the master node and launch a new instance with the patch applied.
Why wrong: Incorrect. Creating an AMI of the master node and launching a new instance does not provide a seamless update and requires manual failover, causing more downtime than a rolling reboot.
D
Stop all EC2 instances, apply the patch, and start them in sequence.
Why wrong: Stopping all instances causes full database downtime.

Full breakdown with real-world context →

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

Perform a rolling reboot of the HANA nodes, rebooting one node at a time.

Option A is correct because SAP HANA scale-out supports rolling updates; rebooting one node at a time allows the database to remain operational during the patching process. Option B is wrong because taking EBS snapshots is a backup step, not a method to apply the patch with minimal downtime. Option C is wrong because creating an AMI and launching a new instance introduces unnecessary complexity and still causes downtime for the master node. Option D is wrong because stopping all instances results in full downtime, which contradicts the goal of minimizing downtime.

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.

✓
Perform a rolling reboot of the HANA nodes, rebooting one node at a time.
Why this is correct
Correct. Performing a rolling reboot allows the HANA database to remain online by rebooting nodes sequentially, ensuring availability during patching.
Clue confirmation
The clue words "best", "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Take EBS snapshots of all volumes before patching, then patch one by one.
Why it's wrong here
EBS snapshots are for backup, not for minimizing downtime during patching.
✗
Create an AMI of the master node and launch a new instance with the patch applied.
Why it's wrong here
Incorrect. Creating an AMI of the master node and launching a new instance does not provide a seamless update and requires manual failover, causing more downtime than a rolling reboot.
✗
Stop all EC2 instances, apply the patch, and start them in sequence.
Why it's wrong here
Stopping all instances causes full database downtime.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.

Detailed technical explanation

How to think about this question

This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.

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.
Use explanations to understand the rule behind the answer.

TExam Day Tips

Underline the problem statement mentally.
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

An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.

What to study next

Got this wrong? Here's your next step.

Identify which PAS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

Related PAS-C01 practice-question pages

Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.

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FAQ

Questions learners often ask

What does this PAS-C01 question test?

Operations and Maintenance — This question tests Operations and Maintenance — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Perform a rolling reboot of the HANA nodes, rebooting one node at a time. — Option A is correct because SAP HANA scale-out supports rolling updates; rebooting one node at a time allows the database to remain operational during the patching process. Option B is wrong because taking EBS snapshots is a backup step, not a method to apply the patch with minimal downtime. Option C is wrong because creating an AMI and launching a new instance introduces unnecessary complexity and still causes downtime for the master node. Option D is wrong because stopping all instances results in full downtime, which contradicts the goal of minimizing downtime.

What should I do if I get this PAS-C01 question wrong?

Are there clue words in this question I should notice?

Yes — watch for: "best", "minimum / minimize". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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This PAS-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PAS-C01 exam.