Regarding the principle of the Erasure Code N+M redundancy technology implemented in Oceanstor 9000, which item is wrong?

Question

Options

• AThe Oceanstor 9000 system can configure different data protection levels for different
• BThe data written to the Oceanstor 9000 system will first be divided into chunks according to the
• CFor every N chunk, calculate the check blocks of M chunks according to the ErasureCode
• DThe utilization rate of the protected data space is about N/(N+M). The reliability of the data is

• A
  5% (1)
• B
  15% (3)
• C
  75% (15)
• D
  5% (1)

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