Client-server architecture in Unity - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is Client-Server Architecture?

It is a way computers talk where one (the client) asks for things and the other (the server) gives them. Like ordering food: you ask (client), the kitchen makes it (server).

beginner

In Unity, what role does the server usually play?

The server controls the game world, keeps track of players, and sends updates to clients so everyone sees the same game.

beginner

Why do clients send requests to the server in a game?

Clients ask the server to do things like move a character or shoot. The server checks and tells all players what happened.

intermediate

What is latency in client-server communication?

Latency is the delay between sending a request and getting a response. Like waiting for a reply when you text a friend.

beginner

How does client-server architecture help multiplayer games in Unity?

It keeps the game fair and synced by having one server control the game and many clients show the game to players.

In client-server architecture, who controls the game state in Unity multiplayer?

A No one controls it

B Each client individually

C The player's device only

D The server

The server controls the game state to keep all players synced and fair.

What does latency mean in client-server communication?

A The number of players connected

B The speed of the server

C The delay between sending and receiving data

D The size of the game world

Latency is the delay or wait time for data to travel between client and server.

Which of these is a client’s job in a Unity multiplayer game?

A Decide the game rules

B Send player actions to the server

C Store the entire game world

D Control other players

Clients send their player actions to the server for processing.

Why is client-server architecture important for multiplayer games?

A To keep all players’ games synced and fair

B To let players play offline

C To make the game graphics better

D To reduce the game size

It ensures all players see the same game state and prevents cheating.

What happens if the server is slow or down in a client-server game?

A Clients may lag or lose connection

B Clients play faster

C Nothing changes

D Clients become servers

A slow or down server causes delays or disconnects for clients.

Explain how client-server architecture works in a Unity multiplayer game.

Think about who asks and who answers in the game.

Describe why latency matters in client-server communication and how it affects gameplay.

Imagine waiting for a reply when you send a message.