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According to 21 CFR Part 11, electronic signatures must be:

Knowledge QA21cfr11easy

Question

According to 21 CFR Part 11, electronic signatures must be:

Choices

A. Unique to one individual and not reused by anyone else
B. Shared among team members for efficiency
C. Changed every 30 days
D. Only used for final approval signatures

Cross-Model Comparison

Model	Score	Latency	Tokens In	Tokens Out
GPT-5.4	100.0%	2.6s	58	44
GPT-5.4 mini	100.0%	898ms	58	41
GPT-5.4 nano	100.0%	734ms	58	49
Claude Haiku 4.5	100.0%	3.7s	66	302
Claude Sonnet 4.6	100.0%	8.8s	66	333
Claude Opus 4.6	100.0%	9.2s	66	350
Llama 4 Scout	100.0%	5.9s	62	409
Llama 4 Maverick	100.0%	3.3s	63	324
Llama 3.3 70B Instruct	100.0%	126.4s	63	4,000
Mistral Small 2603	100.0%	1.5s	71	246
Qwen3.5-397B-A17B	100.0%	15.5s	66	856
DeepSeek-V3.2	100.0%	2.9s	56	69
DeepSeek-R1	100.0%	11.1s	62	380
DeepSeek-R1-Distill-Qwen-32B	100.0%	25.3s	58	521
Mistral Large 3 675B	100.0%	2.6s	59	173
Qwen3.5-35B-A3B	100.0%	5.2s	66	631
Gemini 3.1 Pro	100.0%	5.7s	56	507
Gemini 3 Flash	100.0%	2.5s	56	215
Gemini 3.1 Flash-Lite	100.0%	2.0s	56	158

Tags

electronic_signaturescompliance