AIF-C01 Fundamentals of Generative AI Practice Question
Network Topology
Refer to the exhibit. A developer wants to choose a model that can generate text (not just embeddings) and has the lowest cost. Based on the exhibit, which model should they select?
⚠ Common exam trap
A common mix-up: candidates confuse Titan Embed Text as a text generation model due to its 'Text' name, or assume that 'Express' implies lower cost, when in fact the naming convention indicates performance tier rather than cost efficiency.
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
✓
Titan Text Lite
Titan Text Lite is the correct choice because it is designed for text generation tasks and is explicitly positioned as the lowest-cost option among Amazon's Titan text generation models. Unlike Titan Embed Text, which only produces embeddings and cannot generate text, Titan Text Lite offers a cost-efficient solution for generating text while meeting the requirement of lowest cost.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Titan Embed Text
Why it's wrong here
Titan Embed Text produces vector embeddings only and cannot generate text, so it fails the generation requirement regardless of price. Embedding models are the correct choice for semantic search, retrieval or clustering, where converting text into vectors is the goal rather than producing new text.
- ✗
Titan Text Express
Why it's wrong here
Titan Text Express generates text but is not the lowest-cost text-generation model in the exhibit; another listed model undercuts its price. Titan Text Express suits general-purpose text generation where throughput and quality matter more than minimising spend, not the cheapest-option requirement stated here.
- ✓
Titan Text Lite
Why this is correct
Titan Text Lite is a text-generation model, satisfying the requirement to generate text rather than embeddings, and carries the lowest cost among the exhibit's generative options. Embeddings models such as Titan Embeddings cannot produce text, so they fail the primary constraint regardless of price.
- ✗
Need more information
Why it's wrong here
The exhibit lists model capabilities and prices, so the cheapest text-generating model can be identified directly; requesting more information is unnecessary. This answer would be correct only if the exhibit omitted pricing or generation capability, leaving the comparison impossible to complete from the data provided.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.