In the IP system, which of the following descriptions about OSPF cost (Cost) is wrong?

Question

Options

• ACost takes effect in the incoming direction of traffic on the interface
• BThe default cost value of the Loopback interface is 0.
• CModifying the OSPF cost value of an interface will affect all local interface overheads in OSPF.
• DOSPF will automatically calculate the cost value based on the bandwidth of the interface. The calculation formula is interface cost=bandwidth reference value / interface bandwidth

• A
  10% (3)
• B
  3% (1)
• C
  80% (24)
• D
  7% (2)

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