This book is a collection of 100 questions specifically designed to prepare you for the Supermarket Certification (S-Ken) Basic Level 1 written exam. Basic Level 1 is the level that comprehensively tests the most fundamental knowledge within the S-Ken certification. It covers a wide range of topics directly related to daily operations, including "General Industry Knowledge," "Store and Product Knowledge," "Food Sanitation," "Customer Service," and "Numerical Management," which are essential for those working in the retail and distribution industries. This book contains 100 questions corresponding to Part 1 of the exam and is structured to allow you to systematically learn about store operations, customer service, hygiene management, product knowledge, store layout, and legal understanding. Detailed explanations are provided for all questions, making it easy for beginners to understand "why that answer is correct." Furthermore, it is packed with practical content that can be used for on-site personnel training, such as "FIFO (First In, First Out)," "Golden Zone," "ISM," and "Out-of-Stock Management," which are directly related to practical work. ● Part 1: General Industry Knowledge ・Basic Knowledge of the Retail Industry ・Principles of Chain Stores ・Differences between PB/NB ・POS/Omni-Channel ・Loyalty Marketing ・The Four Principles of Supermarkets ● Part 2: Store and Product Knowledge ・ISM, Stocking, Display Techniques ・Face Management, End Displays, Loss Leaders ・Produce/Seafood/Meat/Prepared Foods/Daily Provisions/Bakery/General Foods/Sundries ・Basic Food Labeling (Specific Allergens, Weight Order Display, Genetically Modified Organism Labeling) ● Part 3: Customer Service ・Hospitality ・Handling Complaints ・Telephone Etiquette ・Guidance, Money Handling, Appearance ● Part 4: Food Sanitation and Public Health ・The Three Principles of Food Poisoning ・Norovirus ・HACCP ・Temperature Control, Hand Washing, Equipment Sterilization ● Part 5: Safety and Health, Related Laws and Regulations ・Occupational Safety and Health ・Accident Prevention ・Personal Information Protection Law ・Premiums and Representations Act ・Container and Packaging Recycling Law ※ 100 questions in total + detailed explanations. ⸻ ■ Features • 100 questions covering frequently tested areas • Systematically learn the "basic knowledge that should be understood" in the field of store operations • Explanations for each question to understand the background knowledge • Cross-sectional organization of product knowledge across multiple departments • Structure that can be widely used from new employee training to store manager candidates • More difficult than S-Ken Level 2, with an emphasis on more practical content