The elastic cloud server ECS can switch the system disk by switching the operating system. Which description is wrong?

Question

Options

• ASupport X86 architecture and Kunpeng architecture servers to switch between operating systems
• BSwitching the operating system does not affect the data on the data disk
• CAfter the switch is completed, the system disk ID of the ECS will change, and the original system
• DImages that support switching include public images, private images, shared images, and market

• A
  77% (37)
• B
  6% (3)
• C
  15% (7)
• D
  2% (1)

Explanation

Option A is the incorrect description because ECS does not support switching operating systems across different CPU architectures - an X86 server can only switch to other X86-based operating systems, and a Kunpeng server can only switch to other Kunpeng-based operating systems; cross-architecture switching is not permitted. Option B is a true statement, as the OS switch only replaces the system disk and leaves any attached data disks completely untouched. Option C is also accurate: the system disk ID does change after the switch, and the original system disk is deleted and cannot be recovered, which is why backing up data beforehand is critical. Option D is likewise correct, as public images, private images, shared images, and marketplace images are all valid sources when switching an operating system.

Memory tip: Think of architecture as a locked lane on a highway - X86 and Kunpeng traffic cannot merge. Any answer claiming you can freely cross lanes (architectures) is the wrong one.

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