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PAS-C01 Migration Practice Question

This PAS-C01 practice question tests your understanding of migration. 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.

A company plans to migrate 50 TB of archived data from on-premises tape storage to Amazon S3 Glacier Deep Archive. The data is rarely accessed. Which migration method is most cost-effective and suitable for the data volume?

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

AWS Snowball Edge

AWS Snowball Edge is a physical device that can transfer large amounts of data offline, avoiding high network costs. For 50 TB, Snowball Edge is cost-effective and efficient. Option C is correct. Option A (AWS DataSync) is for network-based transfers, which may be slow and costly for 50 TB. Option B (AWS CLI with multipart upload) would require significant network bandwidth and time. Option D (AWS Database Migration Service) is for database 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.

  • AWS DataSync

    Why it's wrong here

    DataSync is network-based; for 50 TB it might be slow and costly.

  • AWS CLI with multipart upload

    Why it's wrong here

    Network upload of 50 TB is time-consuming and expensive.

  • AWS Snowball Edge

    Why this is correct

    Snowball Edge is designed for large offline data transfers.

    Related concept

    Read the scenario before looking for a memorised answer.

  • AWS Database Migration Service (DMS)

    Why it's wrong here

    DMS is for database migration, not file archives.

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

A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.

Visual reference

R1 R2 R3 R4 10 100 10 100 OSPF picks R1→R2→R4 (cost 20) over R1→R3→R4 (cost 200)

Quick reference

AWS S3 Storage Class Comparison

Storage ClassMin DurationRetrievalUse Case
S3 StandardNoneImmediateFrequently accessed data
S3 Standard-IA30 daysImmediateInfrequent access, rapid retrieval
S3 One Zone-IA30 daysImmediateNon-critical infrequent data
S3 Intelligent-TieringNoneImmediate–hoursUnknown or changing access patterns
S3 Glacier Instant90 daysMillisecondsArchive with instant retrieval
S3 Glacier Flexible90 daysMinutes–hoursArchive, flexible retrieval
S3 Glacier Deep Archive180 daysHoursLong-term compliance archive

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.

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FAQ

Questions learners often ask

What does this PAS-C01 question test?

Migration — This question tests Migration — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: AWS Snowball Edge — AWS Snowball Edge is a physical device that can transfer large amounts of data offline, avoiding high network costs. For 50 TB, Snowball Edge is cost-effective and efficient. Option C is correct. Option A (AWS DataSync) is for network-based transfers, which may be slow and costly for 50 TB. Option B (AWS CLI with multipart upload) would require significant network bandwidth and time. Option D (AWS Database Migration Service) is for database migration.

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

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.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jun 20, 2026

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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.