I anticipate building larger service compositions comprised of more services. How will this likely affect performance and infrastructure?

Question

Options

• AIt will likely increase performance demands and require an increase in infrastructure investment.
• BIt will likely reduce performance demands and require an increase in infrastructure investment.
• CIt will likely increase performance demands and require a reduction in infrastructure investment.
• DIt will not affect performance or infrastructure.

• A
  71% (25)
• B
  3% (1)
• C
  9% (3)
• D
  17% (6)

Explanation

Building larger service compositions means more services communicating over a network, which multiplies inter-service calls, adds serialization/deserialization overhead, and introduces latency at each hop - all of which increase performance demands and require greater infrastructure investment (more compute, memory, networking, and observability tooling) to maintain acceptable response times.

Why the distractors fail:

• B is wrong because more services don't reduce performance demands - each added service is an additional failure point and latency source.
• C is wrong because you can't scale more services with less infrastructure; you need more to support the additional load and complexity.
• D is wrong because there is a clear, well-established cost: distributed systems have inherent overhead that monoliths avoid (network calls, service discovery, load balancing, etc.).

Memory tip: Think "more services = more moving parts = more strain on everything." Just like adding more employees to a company increases communication overhead and operational costs, adding more services increases both performance demands and the infrastructure needed to support them.

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