{
  "topic": "ai-memory",
  "type": "single_choice",
  "schema_version": "1.0.0",
  "generated": "2026-09-02T00:00:00Z",
  "questions": [
    {
      "id": "sc-001",
      "type": "single_choice",
      "difficulty": 3,
      "tags": [
        "ai",
        "memory",
        "lru"
      ],
      "question": "哪种记忆类型代表历史交互记录？",
      "explanation": "情景记忆（Episodic Memory）存储过去会话的历史交互记录。",
      "source": null,
      "related": [],
      "options": {
        "A": "工作记忆",
        "B": "情景记忆",
        "C": "语义记忆",
        "D": "程序性记忆"
      },
      "answer": "B"
    },
    {
      "id": "sc-002",
      "type": "single_choice",
      "difficulty": 3,
      "tags": [
        "ai",
        "memory",
        "lru"
      ],
      "question": "LRU 淘汰策略的缺点是什么？",
      "explanation": "LRU 不考虑访问频率——一次访问就能让条目「续命」。",
      "source": null,
      "related": [],
      "options": {
        "A": "实现复杂度高",
        "B": "不考虑访问频率，一次访问就能「续命」",
        "C": "历史热点问题",
        "D": "O(n) 时间复杂度"
      },
      "answer": "B"
    },
    {
      "id": "sc-003",
      "type": "single_choice",
      "difficulty": 3,
      "tags": [
        "ai",
        "memory",
        "lru"
      ],
      "question": "「历史热点问题」与哪种策略相关？",
      "explanation": "LFU 有历史热点问题：早期高频但后期不再使用的记忆难以被淘汰。",
      "source": null,
      "related": [],
      "options": {
        "A": "LRU 策略",
        "B": "LFU 策略",
        "C": "混合策略",
        "D": "FIFO 策略"
      },
      "answer": "B"
    },
    {
      "id": "sc-004",
      "type": "single_choice",
      "difficulty": 3,
      "tags": [
        "ai",
        "memory",
        "lru"
      ],
      "question": "当两条记忆因上下文不同（如不同项目）而冲突时，应该使用哪种策略？",
      "explanation": "上下文化策略：如果上下文不同（不同项目/时期），两条记忆都保留。",
      "source": null,
      "related": [],
      "options": {
        "A": "时间衰减",
        "B": "来源可信度",
        "C": "上下文化",
        "D": "置信度加权"
      },
      "answer": "C"
    },
    {
      "id": "sc-005",
      "type": "single_choice",
      "difficulty": 3,
      "tags": [
        "ai",
        "memory",
        "lru"
      ],
      "question": "安全环境 YAML 配置中，来源优先级的权重是多少？",
      "explanation": "来源优先级在安全环境配置中的权重是 0.4。",
      "source": null,
      "related": [],
      "options": {
        "A": "0.2",
        "B": "0.3",
        "C": "0.4",
        "D": "0.5"
      },
      "answer": "C"
    },
    {
      "id": "sc-006",
      "type": "single_choice",
      "difficulty": 3,
      "tags": [
        "ai",
        "memory",
        "lru"
      ],
      "question": "在危险环境中，对于 Critical 级别的记忆冲突应该怎么做？",
      "explanation": "危险环境中，系统停止自动决策，输出冲突记忆并等待人工决策。",
      "source": null,
      "related": [],
      "options": {
        "A": "按优先级规则自动采纳",
        "B": "保留较新的记忆",
        "C": "停止自动决策，输出两条冲突记忆，等待人工决策",
        "D": "删除两条冲突记忆"
      },
      "answer": "C"
    },
    {
      "id": "sc-007",
      "type": "single_choice",
      "difficulty": 3,
      "tags": [
        "ai",
        "memory",
        "lru"
      ],
      "question": "除了余弦相似度，还有什么 NLP 技术用于冲突检测？",
      "explanation": "NLI 矛盾检测与语义相似度一起用于冲突检测。",
      "source": null,
      "related": [],
      "options": {
        "A": "情感分析",
        "B": "命名实体识别",
        "C": "自然语言推理（NLI）矛盾检测",
        "D": "词性标注"
      },
      "answer": "C"
    },
    {
      "id": "sc-008",
      "type": "single_choice",
      "difficulty": 3,
      "tags": [
        "ai",
        "memory",
        "lru"
      ],
      "question": "哪种记忆来源在冲突解决中可信度最高？",
      "explanation": "用户明确告知（user_explicit）的可信度最高（importance=1.0）。",
      "source": null,
      "related": [],
      "options": {
        "A": "自动生成",
        "B": "从对话推断",
        "C": "用户确认过的推断",
        "D": "用户明确告知"
      },
      "answer": "D"
    },
    {
      "id": "sc-009",
      "type": "single_choice",
      "difficulty": 3,
      "tags": [
        "ai",
        "memory",
        "lru"
      ],
      "question": "记忆存储结构中，哪个字段记录记忆被访问了多少次？",
      "explanation": "access_count 字段记录记忆被访问的次数，用于频率计算。",
      "source": null,
      "related": [],
      "options": {
        "A": "last_accessed",
        "B": "confidence",
        "C": "access_count",
        "D": "importance"
      },
      "answer": "C"
    },
    {
      "id": "sc-010",
      "type": "single_choice",
      "difficulty": 3,
      "tags": [
        "ai",
        "memory",
        "lru"
      ],
      "question": "在安全环境中，当优先级规则无法解决冲突时，回退策略是什么？",
      "explanation": "安全环境中，优先级规则无法判定时的回退策略是 ask_user。",
      "source": null,
      "related": [],
      "options": {
        "A": "删除较旧的记忆",
        "B": "保留两条记忆",
        "C": "询问用户",
        "D": "随机选择"
      },
      "answer": "C"
    }
  ]
}