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Cost and Performance Optimization →mediumDrag & DropObjective-mapped

SOA-C02 Cost and Performance Optimization Practice Question

This SOA-C02 practice question tests your understanding of cost and performance optimization. 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.

Drag and drop the steps to configure a VPC peering connection between two VPCs into the correct order.

A
Step 1: Create the peering request, Step 2: Accept the peering request, Step 3: Update route tables in both VPCs, Step 4: Adjust security groups.
This is the correct order because you must first initiate the peering connection (step 1), then the owner of the other VPC must accept (step 2). Only after the connection is active can you add routes to the route tables (step 3) to direct traffic between the VPCs. Finally, security groups (step 4) should be adjusted to allow traffic based on the new routes.
B
Step 1: Create the peering request, Step 2: Update route tables in both VPCs, Step 3: Accept the peering request, Step 4: Adjust security groups.
Why wrong: This is incorrect because route tables cannot be updated until the peering connection is accepted (step 3). The route table update requires the peering connection to be in the 'active' state, which only occurs after acceptance.
C
Step 1: Accept the peering request, Step 2: Create the peering request, Step 3: Update route tables in both VPCs, Step 4: Adjust security groups.
Why wrong: This is incorrect because you cannot accept a peering request before it has been created. The acceptance step must follow the creation of the request.
D
Step 1: Update route tables in both VPCs, Step 2: Create the peering request, Step 3: Accept the peering request, Step 4: Adjust security groups.
Why wrong: This is incorrect because route tables should be updated only after the peering connection is active. Updating them before the request is created and accepted would add routes referencing a non-existent or pending connection, which is not valid.

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

✓

Step 1: Create the peering request, Step 2: Accept the peering request, Step 3: Update route tables in both VPCs, Step 4: Adjust security groups.

First create the peering request, then accept it, then update route tables in both VPCs, and finally adjust security groups.

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.

✓
Step 1: Create the peering request, Step 2: Accept the peering request, Step 3: Update route tables in both VPCs, Step 4: Adjust security groups.
Why this is correct
This is the correct order because you must first initiate the peering connection (step 1), then the owner of the other VPC must accept (step 2). Only after the connection is active can you add routes to the route tables (step 3) to direct traffic between the VPCs. Finally, security groups (step 4) should be adjusted to allow traffic based on the new routes.
Related concept
Read the scenario before looking for a memorised answer.
✗
Step 1: Create the peering request, Step 2: Update route tables in both VPCs, Step 3: Accept the peering request, Step 4: Adjust security groups.
Why it's wrong here
This is incorrect because route tables cannot be updated until the peering connection is accepted (step 3). The route table update requires the peering connection to be in the 'active' state, which only occurs after acceptance.
✗
Step 1: Accept the peering request, Step 2: Create the peering request, Step 3: Update route tables in both VPCs, Step 4: Adjust security groups.
Why it's wrong here
This is incorrect because you cannot accept a peering request before it has been created. The acceptance step must follow the creation of the request.
✗
Step 1: Update route tables in both VPCs, Step 2: Create the peering request, Step 3: Accept the peering request, Step 4: Adjust security groups.
Why it's wrong here
This is incorrect because route tables should be updated only after the peering connection is active. Updating them before the request is created and accepted would add routes referencing a non-existent or pending connection, which is not valid.

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 healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.

What to study next

Got this wrong? Here's your next step.

Identify which SOA-C02 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 SOA-C02 question test?

Cost and Performance Optimization — This question tests Cost and Performance Optimization — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Step 1: Create the peering request, Step 2: Accept the peering request, Step 3: Update route tables in both VPCs, Step 4: Adjust security groups. — First create the peering request, then accept it, then update route tables in both VPCs, and finally adjust security groups.

What should I do if I get this SOA-C02 question wrong?

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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