According to the performance of cloud hard disk, the disk can be divided into ordinary IO, high IO, general-purpose SSD and ultra-high IO.

Question

Options

• ATrue
• BFalse

• A
  25% (6)
• B
  75% (18)

Explanation

Option B is correct because the listed classification is incomplete. In Huawei Cloud (and similar platforms), cloud hard disks are categorized into more than four performance tiers - the complete list typically includes Common I/O, High I/O, Ultra-high I/O, General Purpose SSD, and Extreme SSD, meaning the statement omits at least one tier (Extreme SSD). The statement presents only four types as if they form the full classification, which makes it factually false. Option A is wrong because accepting an incomplete list as the definitive classification would be inaccurate - cloud providers offer additional tiers to cover a wider range of IOPS and latency requirements.

Memory tip: When a question gives you a list and claims it is the complete classification, count the items and compare against the full official list. Cloud disk tiers in Huawei Cloud follow a five-tier hierarchy from Common I/O up through Extreme SSD, so any list stopping at four should raise a flag.

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