Complete the code to identify the main challenge in e-commerce systems.
The biggest challenge in e-commerce is handling [1] during high traffic.
Scalability is the key challenge because e-commerce systems must handle many users at once.
Complete the code to show what e-commerce systems must ensure for orders.
E-commerce systems must guarantee [1] to avoid losing customer trust.Data consistency ensures orders are accurate and reliable, which is critical for trust.
Fix the error in the statement about e-commerce system design.
E-commerce systems must handle [1] to manage sudden spikes in users.
Load balancing distributes user requests evenly to prevent overload.
Fill both blanks to complete the key features for e-commerce reliability.
To ensure reliability, e-commerce systems use [1] for fault tolerance and [2] for data backup.
Redundancy helps tolerate faults; replication keeps data backed up across servers.
Fill all three blanks to complete the e-commerce system design snippet.
The system uses [1] to handle user sessions, [2] to speed up product searches, and [3] to ensure secure payments.
Session management tracks users, caching speeds searches, and encryption secures payments.