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{
"lesson": "11-llm-observability-dashboard",
"title": "毕业项目 11 —— LLM 可观测性与评测仪表盘",
"questions": [
{
"stage": "pre",
"question": "Langfuse、Phoenix 和 OpenLLMetry 趋同到哪种摄入 schema?",
"options": [
"各厂商专有的 JSON",
"Prometheus 暴露格式",
"基于 OTLP HTTP 的 OpenTelemetry GenAI 语义约定",
"纯 CSV 日志文件"
],
"correct": 2,
"explanation": ""
},
{
"stage": "pre",
"question": "为什么在存储层中分开使用 ClickHouse 和 Postgres?",
"options": [
"它们可以互换,随机选一个",
"Postgres 在 span 摄入上更快",
"ClickHouse 无法存储字符串",
"ClickHouse 处理对 span 的列式分析,而 Postgres 保存用户、会话和应用元数据"
],
"correct": 3,
"explanation": ""
},
{
"stage": "check",
"question": "OpenTelemetry Collector 中的尾采样(tail-sampling)处理器做什么?",
"options": [
"在一条 trace 完成后再决定是否保留它,使用「保留错误加采样成功」这类规则",
"把旧 trace 回放进 Postgres",
"无条件流式传输每一个字节",
"截断低于 100ms 的 span"
],
"correct": 0,
"explanation": ""
},
{
"stage": "check",
"question": "仪表盘如何检测跨周的漂移?",
"options": [
"在汇集的 prompt 嵌入上计算 PSI 或 KL 散度,并观察评测分数趋势",
"靠肉眼盯仪表盘",
"读取最近的部署时间戳",
"统计唯一 trace ID 的数量"
],
"correct": 0,
"explanation": ""
},
{
"stage": "check",
"question": "交付物在一次注入的 PII 泄露回归上的 MTTR 目标是多少?",
"options": [
"1 小时以内",
"24 小时以内",
"在下一个值班班次之内",
"从 bug 部署到 Slack 告警 5 分钟以内"
],
"correct": 3,
"explanation": ""
},
{
"stage": "post",
"question": "要满足 trace 覆盖率细则,哪些 SDK 系列必须产生规范的 GenAI span?",
"options": [
"仅 vLLM",
"至少六个:OpenAI、Anthropic、Google GenAI、LangChain、LlamaIndex 和 vLLM",
"任意一个 SDK 就够了",
"仅 OpenAI 和 Anthropic"
],
"correct": 1,
"explanation": ""
},
{
"stage": "post",
"question": "评测结果如何与原始的 LLM 调用关联起来?",
"options": [
"以每晚邮件发送的 CSV 形式",
"仅以 Slack 消息形式",
"作为一张没有 trace ID 的独立 Postgres 表",
"以评测 span 的形式,作为父 trace 的子节点写入 ClickHouse"
],
"correct": 3,
"explanation": ""
}
]
}