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Amazon AIF-C01 Exam - Topic 5 Question 21 Discussion

Posted by Emile on Mar 22, 2025 at 02:23 AM

A company deployed an AI/ML solution to help customer service agents respond to frequently asked questions. The questions can change over time. The company wants to give customer service agents the ability to ask questions and receive automatically generated answers to common customer questions. Which strategy will meet these requirements MOST cost-effectively?

Suggested Answer: A

Decision trees are an interpretable machine learning algorithm that clearly documents the decision-making process by showing how each input feature affects the output. This transparency is particularly useful when explaining how the model arrives at a certain decision, making it suitable for classifying genes into categories.

Option A (Correct): 'Decision trees': This is the correct answer because decision trees provide a clear and interpretable representation of how input features influence the model's output, making it ideal for understanding the inner mechanisms affecting predictions.

Option B: 'Linear regression' is incorrect because it is used for regression tasks, not classification.

Option C: 'Logistic regression' is incorrect as it does not provide the same level of interpretability in documenting decision-making processes.

Option D: 'Neural networks' is incorrect because they are often considered 'black boxes' and do not easily explain how they arrive at their outputs.

AWS AI Practitioner Reference:

Interpretable Machine Learning Models on AWS: AWS supports using interpretable models, such as decision trees, for tasks that require clear documentation of how input data affects output decisions.


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40 comments · newest first
RI
Ricarda 9 months ago
Not sure if RAG is the most efficient for this.
MA
Maxima 9 months ago
Wait, can RAG really handle changing questions effectively?
GL
Glen 10 months ago
Pre-training seems like a solid approach, but I wonder if it really addresses the dynamic nature of customer questions effectively.
CA
Catarina 10 months ago
RAG sounds familiar from our practice questions, but I can't recall if it's the most cost-effective option.
CH
Chaya 10 months ago
I think option D is the best choice!
HU
Hui 10 months ago
I think using context data is important, but I'm not sure if just training the model is enough for changing questions.
SH
Sharika 10 months ago
I remember discussing how fine-tuning can be resource-intensive, but it might be necessary for accuracy.
CH
Cheryl 11 months ago
Fine-tuning can get expensive over time.
EU
Eugene 11 months ago
Totally agree with D, it sounds cost-effective!
LU
Luisa 11 months ago
I'm feeling pretty confident about this one. I think the fine-tuning approach is the way to go. It should allow the model to adapt to the changing questions without too much overhead.
WE
Werner 11 months ago
I think I'm leaning towards the pre-training and benchmarking option. That seems like it could provide a solid foundation for handling the changing questions, while still being relatively cost-effective.
MA
Marylou 11 months ago
Hmm, the Retrieval Augmented Generation (RAG) with prompt engineering techniques sounds interesting. I wonder if that would be the most cost-effective solution in the long run, even if it requires more upfront work.
RY
Ryann 12 months ago
I'm a bit confused by the options here. Training the model using context data seems like it could be a good approach, but I'm not sure how that would compare to pre-training and benchmarking the model.
TO
Tony 12 months ago
This seems like a tricky one. I'm not sure if fine-tuning the model regularly is the most cost-effective approach, but it could be a good option if the questions change frequently.
FA
Fabiola 1 year ago
This is a good one. I'm leaning towards option D, using RAG with prompt engineering. It sounds like it could be a powerful way to handle the changing questions while keeping costs down. I'll need to do some research on that approach, but I think it's worth considering.
ST
Stefany 1 year ago
Okay, I think I've got a strategy here. Since the questions can change over time, pre-training and benchmarking the model using context data seems like the most flexible and cost-effective approach. I'll go with option C.
PH
Phung 1 year ago
Hmm, I'm a bit confused by the options here. I'm not familiar with Retrieval Augmented Generation (RAG) or prompt engineering techniques. I'll have to look into those more before deciding.
KR
Kristel 1 year ago
This seems like a tricky question. I'm not sure if fine-tuning the model regularly or using context data would be the most cost-effective approach. I'll need to think this through carefully.
DI
Diane 1 year ago
Why not just hire a team of psychic customer service agents? They could predict the questions before they even come in!
JA
Jade 1 year ago
I'd recommend going with the 'Ask Jeeves' method. That always worked for me back in the day!
GE
Gertude 1 year ago
↳ replying to Jade
That's a good point. Chatbots can adapt to changing questions.
DU
Dudley 1 year ago
↳ replying to Jade
Chatbots can be trained to answer common questions.
KA
Katy 1 year ago
↳ replying to Jade
I think using a chatbot could be cost-effective.
TI
Tien 1 year ago
↳ replying to Jade
Ask Jeeves method sounds interesting.
VA
Valentin 1 year ago
Option A is definitely the easiest, but I can't imagine the company wants to be constantly fine-tuning the model. That sounds like a lot of work! I'd go with D - it's the most future-proof solution.
HI
Hildegarde 1 year ago
↳ replying to Valentin
Yeah, Option D would probably save time and resources in the long run. It's important to consider the scalability and sustainability of the solution.
AL
Alishia 1 year ago
↳ replying to Valentin
I agree, constantly fine-tuning the model could be time-consuming. Option D does seem like a more future-proof solution.
DA
Daren 1 year ago
↳ replying to Valentin
Option A is definitely the easiest, but I can't imagine the company wants to be constantly fine-tuning the model. That sounds like a lot of work!
LA
Launa 1 year ago
I'm leaning towards B. Using context data to train the model could make it more adaptable to the changing questions. Plus, it's probably more cost-effective than constantly fine-tuning the model.
NI
Nikita 1 year ago
Option C seems promising, but I'm not sure if pre-training and benchmarking will be enough to keep up with the changing questions. Maybe a combination of C and D would be best?
GE
Georgiana 1 year ago
↳ replying to Nikita
We should consider the scalability and adaptability of the solution to handle changing questions efficiently.
MA
Maryrose 1 year ago
↳ replying to Nikita
I agree, a combination of pre-training and benchmarking with continuous learning could be the best approach.
IS
Isadora 1 year ago
↳ replying to Nikita
Option C could be a good starting point, but combining it with D might be more effective.
RE
Reta 1 year ago
I think option D is the way to go. Retrieval Augmented Generation with prompt engineering sounds like it would give the agents the most up-to-date and relevant responses without a lot of manual effort.
EL
Elke 1 year ago
↳ replying to Reta
Using retrieval augmented generation with prompt engineering sounds like a smart approach.
AN
Andree 1 year ago
↳ replying to Reta
I think fine-tuning the model regularly could also be effective.
AN
Anabel 1 year ago
↳ replying to Reta
I agree, option D seems like the most efficient choice.
KA
Kasandra 2 years ago
I believe using Retrieval Augmented Generation (RAG) with prompt engineering techniques would be the most cost-effective option.
FE
Fernanda 2 years ago
I agree with Luisa. It's important to keep the model updated with new data.
LU
Luisa 2 years ago
I think we should fine-tune the model regularly.
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