单选题 An organization is developing a model to predict the price of a product based on various features like size, weight, brand and manufacturing date. Which machine learning approach would be best suited for this task? (一个组织正在开发一个模型，根据产品的尺寸、重量、品牌和生产日期等各种特征来预测产品价格。哪种机器学习方法最适合这项任务？)

单选题 A financial institution is developing a fraud detection model. The project lead announced that they would be using MLOps. How would you explain MLOps in the context of this project? (一家金融机构正在开发一个欺诈检测模型。项目负责人宣布他们将使用MLOps。在这个项目背景下，你如何解释MLOps？)

单选题 A small company wants to use machine learning to predict customer churn, but they lack an expert dedicated data science team. Which AWS tool can help them build models easily without extensive coding? (一家小公司想使用机器学习来预测客户流失，但他们缺乏专业的数据科学团队。哪个AWS工具可以帮助他们在无需大量编码的情况下轻松构建模型？)

单选题 What is the primary purpose of feature engineering in machine learning? (机器学习中特征工程的主要目的是什么？)

单选题 Which AWS service can be used to create a knowledge-based chatbot that can answer questions about a company's products and services, using the company's internal documents as a source of information? (哪个AWS服务可以用于创建一个基于知识的聊天机器人，它可以使用公司的内部文档作为信息源来回答关于公司产品和服务的问题？)

单选题 A company is starting to use generative artificial intelligence (AI) on AWS. To ensure responsible AI practices, which tool can provide them with guidance and information? (一家公司开始在AWS上使用生成式人工智能。为了确保负责任的人工智能实践，哪个工具可以为他们提供指导和信息？)

单选题 A company is expanding its use of artificial intelligence. Which core principle should they prioritize to establish clear guidelines, oversight and accountability for AI development and use? (一家公司正在扩大其人工智能的使用。他们应该优先考虑哪个核心原则，以便为人工智能的开发和使用建立明确的指导方针、监督和问责制？)

单选题 An organization wants to evaluate the security and compliance practices of AWS services used by vendors selling AI products. Which AWS service can help them access AWS compliance reports and certifications? (一个组织想要评估销售人工智能产品的供应商所使用的AWS服务的安全和合规实践。哪个AWS服务可以帮助他们访问AWS合规报告和认证？)