💻
Programming
Swift Programming
50
Cards
~25m
Study time
Advanced
Difficulty
Sample questions
- ▸What is an Optional in Swift?
- ▸How do you unwrap an Optional using if let?
- ▸What is the difference between Optional chaining and forced unwrapping?
- ▸What is the nil-coalescing operator in Swift?
- ▸What is an implicitly unwrapped optional?
💻
Programming
System Design
50
Cards
~25m
Study time
Advanced
Difficulty
Sample questions
- ▸What is horizontal scaling?
- ▸What is vertical scaling?
- ▸What is a load balancer?
- ▸What are common load balancing algorithms?
- ▸What are Layer 4 vs Layer 7 load balancers?
VS
🤔 Which should you study first?
Both topics are in the Programming category, so they complement each other well. We suggest starting with the smaller deck to build momentum:
Swift Programming
50 cards · ~25 min · Advanced
⭐ Quicker to complete
System Design
50 cards · ~25 min · Advanced
⭐ Quicker to complete