What step would be appropriate before launching an e-commerce site with a newly installed payment gateway?

Question

Options

• AContact the issuing bank to verify connections.
• BContact the acquiring bank to verify connections.
• CRegister the gateway with accepted credit card issuers.
• DTest the system using various payment methods.

• A
  3% (2)
• B
  5% (3)
• C
  8% (5)
• D
  84% (51)

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