This ANS-C01 practice question tests your understanding of network implementation. 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 using AWS Direct Connect with a private virtual interface (VIF) to connect its on-premises data center to a VPC. The VPC has a virtual private gateway (VGW) attached. The company has recently added a second VPC and wants to use the same Direct Connect connection to access both VPCs. The network engineer proposes using a Direct Connect gateway (DXGW) with two private VIFs, one for each VPC. However, the engineer wants to minimize complexity and cost. Which configuration should the engineer use to allow both VPCs to use the same Direct Connect connection?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
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.
Create a Direct Connect gateway and associate it with the private VIF. Then associate both VPCs' virtual private gateways with the Direct Connect gateway.
DXGW allows one VIF to reach multiple VPCs.
B
Create a private VIF for each VPC on the same Direct Connect connection.
Why wrong: Multiple VIFs on same connection are possible but increase complexity.
C
Create a public virtual interface on the Direct Connect connection and attach both VPCs to it.
Why wrong: Public VIF is for accessing public AWS services, not VPCs.
D
Create a single private VIF and attach both VPCs directly to it.
Why wrong: A private VIF can only be attached to one VGW (or DXGW).
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a Direct Connect gateway and associate it with the private VIF. Then associate both VPCs' virtual private gateways with the Direct Connect gateway.
Option B is correct because a Direct Connect gateway can be associated with multiple VGWs from different VPCs, allowing a single private VIF to connect to multiple VPCs. Option A is incorrect because private VIF is needed, not public. Option C is incorrect because each VPC needs its own VGW. Option D is incorrect because multiple private VIFs increase cost and complexity.
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.
✓
Create a Direct Connect gateway and associate it with the private VIF. Then associate both VPCs' virtual private gateways with the Direct Connect gateway.
Why this is correct
DXGW allows one VIF to reach multiple VPCs.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Create a private VIF for each VPC on the same Direct Connect connection.
Why it's wrong here
Multiple VIFs on same connection are possible but increase complexity.
✗
Create a public virtual interface on the Direct Connect connection and attach both VPCs to it.
Why it's wrong here
Public VIF is for accessing public AWS services, not VPCs.
✗
Create a single private VIF and attach both VPCs directly to it.
Why it's wrong here
A private VIF can only be attached to one VGW (or DXGW).
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.
What to study next
Got this wrong? Here's your next step.
Identify which ANS-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.
Network Implementation — This question tests Network Implementation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create a Direct Connect gateway and associate it with the private VIF. Then associate both VPCs' virtual private gateways with the Direct Connect gateway. — Option B is correct because a Direct Connect gateway can be associated with multiple VGWs from different VPCs, allowing a single private VIF to connect to multiple VPCs. Option A is incorrect because private VIF is needed, not public. Option C is incorrect because each VPC needs its own VGW. Option D is incorrect because multiple private VIFs increase cost and complexity.
What should I do if I get this ANS-C01 question wrong?
Identify which ANS-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.
Are there clue words in this question I should notice?
Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
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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