LLD - Design — Food Delivery System
Which component is essential in a rating and review system to prevent spam or fake reviews?
Which component is essential in a rating and review system to prevent spam or fake reviews?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify how to ensure review authenticity
Spam and fake reviews are reduced by confirming user identity.Step 2: Recognize the role of authentication
User authentication verifies that reviews come from real users.Final Answer:
User authentication and verification -> Option AQuick Check:
Spam prevention = User authentication [OK]
Quick Trick: Verify users to keep reviews trustworthy [OK]
Common Mistakes:
- Confusing database speed with spam control
- Thinking more images reduce fake reviews
- Believing longer reviews prevent spam
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