In a three-tier application with a web front-end, application middle tier, and database back- end, where is the best instrumentation point for end-to-end visibility?

Question

Options

• AIt is best to instrument at all tiers for maximum visibility.
• BIt is best to instrument at the web tier, since that is typically the client entry point into the
• CIt is best to instrument at the application tier, since it sits between the web and database tiers.
• DIt is best to instrument at the database tier, since it holds the data the client is requesting.

• A
  76% (34)
• B
  7% (3)
• C
  16% (7)
• D
  2% (1)

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