Statement for cloud block storage

Question:
Which of the following is true for cloud block storage?

  1. Can be attached to multiple compute nodes at once
  2. Is used where workloads do not require lightning fast connectivity to storage
  3. Is attached to compute nodes using an ethernet network
  4. Can only be attached to one node at a time
Answer:
D - is the correct answer. Block storage can only be attached to one node at a time