Multi-select

Which of these 2026 vector databases are credible at billion-vector scale? Select all that apply.

Select all dimensions that meaningfully drive cost on a managed vector database bill in 2026.

Which design choices from the original 'Attention Is All You Need' are no longer standard?

Select the correct comparisons of an MoE transformer versus a dense transformer at equal active parameters

Pick the statements that accurately describe how an MoE sublayer replaces a dense FFN

Identify the locations where dropout typically sits inside a transformer block

Pick the serving changes TensorRT-LLM 0.18 (early 2026) actually shipped

Which components dominate cold-start latency when a serving replica spins up?

Tulu-style instruction tuning trades volume for diversity: which axes of diversity matter most?

QLoRA OOMs at step 7000 after one clean epoch on a 24 GB GPU: which non-obvious causes deserve a look?

Which operators are part of the Evol-Instruct pipeline for growing instruction data?

Pick the three first things to check when LoRA training loss sits flat from step 0

Select all techniques that meaningfully improve the reliability of source citations in a production RAG answer (chunks resolving back to real source documents).

Select all components that are required to build a minimal end to end RAG system (the absolute basics, not nice to haves like rerankers or eval harnesses).

Which of these are valid reasons NOT to fine-tune?

Which of these are real train/test leakage modes for an instruction-tuning project?

Which of these belong on the ship-checklist for a production fine-tune?

Which statements about QLoRA are true?

Which of these are linear layers that 'all-linear' LoRA targets in a SwiGLU transformer?

Which buckets MUST a post-FT eval suite include for a customer-support fine-tune?

Which of these reduce catastrophic forgetting in practice?

Which statements about FP8, INT8 and INT4 weight quantization are correct?

Which regimes can make speculative decoding fail to speed up, or actively slow down, a serving stack?

Which metrics are essential to debug a P99 TTFT regression in production LLM serving?

Which of the following are recommended directives for a production RAG system prompt to maximize grounding? Select all that apply.