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 is migrating an SAP ERP system running on an on-premises IBM AIX server to AWS. The server hosts both the SAP application and the DB2 database. The company has a tight deadline and wants to minimize the migration effort. The current system uses a storage area network (SAN) with 2 TB of data. The company wants to use AWS native services and avoid re-architecting. What is the BEST migration strategy?
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.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use AWS Application Migration Service (MGN) to replicate the entire server to AWS.
AWS MGN supports migration of IBM AIX servers with block-level replication. Option B is wrong because AWS DMS does not support DB2 on AIX as a source. Option C is wrong because AWS Snowball would require downtime and is not real-time. Option D is wrong because manual installation is more effort and not leveraging AWS services.
Key principle: OSPF neighbour adjacency depends on matching area, hello/dead timers, network type, and authentication — IP reachability alone is not enough.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Use AWS Application Migration Service (MGN) to replicate the entire server to AWS.
Why this is correct
MGN supports AIX and replicates the entire server.
Clue confirmation
The clue words "best", "minimum / minimize" in the question point toward this answer.
Manually install SAP and DB2 on EC2 and restore from backup.
Why it's wrong here
Manual installation is higher effort.
✗
Use AWS Snowball Edge to transfer the data offline and then launch EC2 instances.
Why it's wrong here
Snowball requires downtime and is not minimal effort.
✗
Use AWS DMS to migrate the DB2 database to Amazon RDS for DB2.
Why it's wrong here
DMS does not support DB2 on AIX as source.
Common exam traps
Common exam trap: OSPF can fail even when IP connectivity looks correct
OSPF neighbour formation depends on matching areas, timers, network type, authentication and passive-interface behaviour. Do not choose an answer only because the devices can ping.
Detailed technical explanation
How to think about this question
OSPF questions usually test the details that control adjacency and route selection. Read the neighbour state, area, router ID and interface configuration before deciding what is wrong.
KKey Concepts to Remember
OSPF neighbours must agree on key parameters.
Router ID selection can affect neighbour relationships and LSDB output.
OSPF cost influences the preferred path.
A route can appear in OSPF information but not become the installed route.
TExam Day Tips
→Check area mismatch first when OSPF adjacency fails.
→Review passive interfaces when a network is advertised but no neighbour forms.
→Use show ip ospf neighbor and show ip route clues carefully.
Key takeaway
OSPF neighbour adjacency depends on matching area, hello/dead timers, network type, and authentication — IP reachability alone is not enough.
Real-world example
How this comes up in practice
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Got this wrong? Here's your next step.
Review OSPF neighbour requirements — matching area type, hello and dead timers, network type, stub flags, and authentication. Study show ip ospf neighbor states (INIT, 2-WAY, FULL). Then practise related PAS-C01 OSPF questions on adjacency and route selection.
Migration — This question tests Migration — OSPF neighbours must agree on key parameters..
What is the correct answer to this question?
The correct answer is: Use AWS Application Migration Service (MGN) to replicate the entire server to AWS. — AWS MGN supports migration of IBM AIX servers with block-level replication. Option B is wrong because AWS DMS does not support DB2 on AIX as a source. Option C is wrong because AWS Snowball would require downtime and is not real-time. Option D is wrong because manual installation is more effort and not leveraging AWS services.
What should I do if I get this PAS-C01 question wrong?
Review OSPF neighbour requirements — matching area type, hello and dead timers, network type, stub flags, and authentication. Study show ip ospf neighbor states (INIT, 2-WAY, FULL). Then practise related PAS-C01 OSPF questions on adjacency and route selection.
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?
OSPF neighbours must agree on key parameters.
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