How do you draw an ER diagram for a college placement system?

Placement system ER

For How do you draw an ER diagram for a college placement system, interviewers listen for a crisp definition, how the pieces interact in a real system, and one trade-off or failure mode you have seen or would guard against.

• Entities: Student, Company, Job, Application, Interview.
• Relationships: Student applies to Job; Company offers Jobs.
• Cardinality: one company many jobs; student many applications.