Q32 Event Hubs Domain 3 · 20–25% of exam Priority · Real Exam

After creation, which property of an event hub generally cannot be reduced?

  1. A Retention period
  2. B Partition count (correct answer)
  3. C Consumer group count
  4. D Throughput units

Shortcut: Partition count is fixed at creation for Standard tier and cannot be decreased. Premium and Dedicated allow increases, but planning for peak parallelism up front is important.