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Advanced Topics Flashcards

7 cards from real Unity practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Advanced Topics flashcards as text

  1. Which Unity package provides a server-authoritative networking framework?

    Answer: Netcode for GameObjects

    Netcode for GameObjects is Unity's official multiplayer netcode solution supporting server authority.

  2. What does a NetworkVariable do in Unity netcode?

    Answer: Synchronize a value across clients

    A NetworkVariable automatically replicates its value from the server to connected clients.

  3. In client-server architecture, what is an RPC?

    Answer: A Remote Procedure Call invoking methods over the network

    RPCs let one machine invoke a method that executes on another over the network.

  4. Why is client-side prediction used in multiplayer games?

    Answer: Hide latency by simulating locally before server confirms

    Client-side prediction makes movement feel responsive despite network delay, later reconciling with the server.

  5. What is the purpose of the Unity Profiler?

    Answer: Measure CPU, GPU, memory, and rendering performance

    The Profiler captures detailed performance data to identify bottlenecks.

  6. Which tool helps detect and analyze memory allocations causing GC spikes?

    Answer: Memory Profiler / Profiler GC Alloc

    The Profiler's GC Alloc column and Memory Profiler reveal allocations that trigger garbage collection.

  7. What is object pooling used for in Unity?

    Answer: Reuse objects to avoid frequent instantiate/destroy costs

    Object pooling reuses inactive objects instead of repeatedly instantiating and destroying them, reducing GC and CPU cost.

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  1. unity.com — Eligibility, test delivery, exam format, passing score, renewal, retake policy, score release, time limit, score validity · verified Oct 2026