Which two statements are correct about greenfield and brownfield deployments? (Choose two.)

Question

Options

• AA brownfield deployment has no network environment.
• BA greenfield deployment has no network environment.
• CA greenfield deployment has a network environment and must be upgraded.
• DA brownfield deployment has a network environment and must be upgraded.

• A
  10% (6)
• B
  87% (55)
• C
  3% (2)

Explanation

Greenfield means starting from scratch - a brand new environment with no existing network infrastructure. Brownfield means deploying into an existing network environment that already has legacy systems, configs, and constraints requiring upgrades or integration work.

B is correct because a greenfield deployment literally has no prior network environment - you're building on "fresh ground" with no inherited infrastructure.

D is correct because a brownfield deployment exists within an established network environment that must be upgraded or adapted to accommodate the new deployment.

Why A is wrong: A brownfield deployment does have a network environment - that's the defining characteristic of brownfield. Saying it has "no network environment" flips the definition entirely.

Why C is wrong: A greenfield deployment has no existing network environment, so there's nothing to upgrade. The "must be upgraded" clause belongs to brownfield, not greenfield.

Memory tip: Think of green = green grass, an empty field ready to build on (nothing there yet). Brown = worn, established ground - dirt paths already exist and must be reworked. If you can picture a construction site vs. a renovation project, you'll never mix these up.

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