When upgrading Huawei blade server compute nodes (such as CH121v5), which step-by-step process should be followed?

When upgrading Huawei blade server compute nodes (such as CH121v5), which step-by-step process should be followed?
A . Obtain software package and upgrade guide – Log in to iBMC interface – Check alarm information – Check firmware version – Upgrade firmware – Verify after firmware upgrade
B. Check alarm information – Obtain software package and upgrade guide – Log in to iBMC interface – Check firmware version – Upgrade firmware – Verify after firmware upgrade
C. Log in to iBMC interface – Obtain software package and upgrade guide – Check alarm information – Check firmware version – Upgrade firmware – Verify after firmware upgrade
D. Obtain software package and upgrade guide – Log in to iBMC interface – Check firmware version – Upgrade firmware – Verify after firmware upgrade – Check alarm information

View Answer

Answer: A