- A
Always use the largest available model for best results
Why wrong: Using the largest model increases cost without guaranteed throughput benefit.
- B
Right-size model selection by choosing the smallest model that meets accuracy requirements
Using a smaller, cheaper model for appropriate tasks lowers costs.
- C
Use batch inference for non-real-time workloads
Batch inference reduces per-request cost by processing requests in bulk.
- D
Fine-tune a large foundation model on the company's codebase
Why wrong: Fine-tuning incurs additional training and hosting costs, not a cost-saving measure.
- E
Enable model caching to reuse previously generated responses for similar inputs
Caching avoids redundant inference calls, saving cost and latency.
Question 14 of 1,000
hardMultiple SelectObjective-mapped
AIF-C01 Practice Question: Developing a generative AI application using…
This AIF-C01 practice question tests your understanding of aif-c01 exam topics. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 developing a generative AI application using Amazon Bedrock for code generation. They want to reduce costs without sacrificing throughput. Which THREE approaches can help achieve cost optimization?
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
✓
Right-size model selection by choosing the smallest model that meets accuracy requirements
Batch inference processes multiple requests together at a lower cost. Model caching stores previous responses to avoid recomputation. Right-sizing model selection means picking the smallest capable model. Fine-tuning increases cost for custom models, and using larger models increases cost.
Key principle: Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Always use the largest available model for best results
Why it's wrong here
Using the largest model increases cost without guaranteed throughput benefit.
- ✓
Right-size model selection by choosing the smallest model that meets accuracy requirements
Why this is correct
Using a smaller, cheaper model for appropriate tasks lowers costs.
Related concept
Authentication checks who the user is.
- ✓
Use batch inference for non-real-time workloads
Why this is correct
Batch inference reduces per-request cost by processing requests in bulk.
Related concept
Authentication checks who the user is.
- ✗
Fine-tune a large foundation model on the company's codebase
Why it's wrong here
Fine-tuning incurs additional training and hosting costs, not a cost-saving measure.
- ✓
Enable model caching to reuse previously generated responses for similar inputs
Why this is correct
Caching avoids redundant inference calls, saving cost and latency.
Related concept
Authentication checks who the user is.
Common exam traps
Common exam trap: authentication is not authorization
Logging in proves the user can authenticate. It does not automatically mean the user is allowed to enter privileged or configuration mode. Watch for AAA authorization, privilege level and command authorization details.
Detailed technical explanation
How to think about this question
This kind of question is testing the difference between identity and permission. A user may successfully log in to a router because authentication is working, but still fail to enter configuration mode because authorization is missing, misconfigured or mapped to a lower privilege level.
KKey Concepts to Remember
- Authentication checks who the user is.
- Authorization controls what the user is allowed to do after login.
- Privilege levels affect access to EXEC and configuration commands.
- AAA, TACACS+ and RADIUS can separate login success from command access.
TExam Day Tips
- Do not assume successful login means full administrative access.
- Look for words such as cannot enter configuration mode, privilege level, authorization or command access.
- Separate login problems from permission problems before choosing the answer.
Key takeaway
Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
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.
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related AIF-C01 questions on access control and AAA configuration.
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FAQ
Questions learners often ask
What does this AIF-C01 question test?
Authentication checks who the user is.
What is the correct answer to this question?
The correct answer is: Right-size model selection by choosing the smallest model that meets accuracy requirements — Batch inference processes multiple requests together at a lower cost. Model caching stores previous responses to avoid recomputation. Right-sizing model selection means picking the smallest capable model. Fine-tuning increases cost for custom models, and using larger models increases cost.
What should I do if I get this AIF-C01 question wrong?
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related AIF-C01 questions on access control and AAA configuration.
What is the key concept behind this question?
Authentication checks who the user is.
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Last reviewed: Jul 4, 2026
This AIF-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 AIF-C01 exam.
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