This PAS-C01 practice question tests your understanding of operations and maintenance. 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.
An SAP system on AWS is experiencing high latency between the application and database tiers. Both tiers are in the same VPC but in different Availability Zones. What is the most effective way to reduce latency?
Move both tiers into the same Availability Zone.
Same AZ reduces network distance and latency.
Add an Application Load Balancer between tiers.
Why wrong: ALB adds a hop and increases latency.
Increase the bandwidth of the EC2 instances.
Why wrong: Bandwidth does not directly reduce latency.
Enable AWS Direct Connect.
Why wrong: Direct Connect is for hybrid connectivity, not within AWS.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Move both tiers into the same Availability Zone.
Option C is correct because placing both tiers in the same AZ eliminates cross-AZ data transfer latency. Option A (increasing bandwidth) does not reduce latency. Option B (adding a load balancer) adds overhead. Option D (using Direct Connect) is for on-premises connectivity, not within AWS.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Move both tiers into the same Availability Zone.
Add an Application Load Balancer between tiers.
Why it's wrong here
ALB adds a hop and increases latency.
Increase the bandwidth of the EC2 instances.
Why it's wrong here
Bandwidth does not directly reduce latency.
Enable AWS Direct Connect.
Why it's wrong here
Direct Connect is for hybrid connectivity, not within AWS.
Common exam traps
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
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
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related PAS-C01 NAT questions on configuration and troubleshooting.
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FAQ
Operations and Maintenance — This question tests Operations and Maintenance — Static NAT maps one inside address to one outside address..
The correct answer is: Move both tiers into the same Availability Zone. — Option C is correct because placing both tiers in the same AZ eliminates cross-AZ data transfer latency. Option A (increasing bandwidth) does not reduce latency. Option B (adding a load balancer) adds overhead. Option D (using Direct Connect) is for on-premises connectivity, not within AWS.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related PAS-C01 NAT questions on configuration and troubleshooting.
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 20, 2026
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.
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