1) A student can register in many courses, and each course can have many students. Identify the type of relationship cardinality based on this scenario. a) One-to-One (1:1) b) One-to-Many (1:M) c) Many-to-Many (M:N) d) Many-to-One (M:1) 2) In a one-to-many relationship, which statement is true? a) Each entity on both sides can be linked to multiple entities b) One entity on one side can be linked to many on the other side c) Both entities must have the same number of links d) No entities are related 3) What is the cardinality between Employee and Department if each employee belongs to only one department, but a department can have many employees? a) One-to-One b) Many-to-One c) One-to-Many d) Many-to-Many 4) Which of the following represents a One-to-One relationship? a) A student assigned to multiple lockers b) A passport issued to only one person c) A lecturer teaches multiple subjects d) A course taken by many students 5) Which cardinality best represents this situation? One teacher can teach many classes, but each class is taught by only one teacher. a) One-to-Many (1:M) b) One-to-One (1:1) c) Many-to-Many (M:N) d) Many-to-One (M:1)

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