500+ quant interview questions for Jane Street, Citadel, Two Sigma, DE Shaw, and other top quantitative finance firms.
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Difficulty: Easy
Category: networking
Practice quant interview questions from top firms including Jane Street, Citadel, Two Sigma, DE Shaw, and other leading quantitative finance companies.
Topics: tcp, sequence-numbers, handshake, networking, fix-protocol, session-management
In high-frequency trading, FIX session layer recovery logic relies on precise TCP sequence number tracking to validate data integrity. This requires accurately predicting sequence numbers throughout the connection lifecycle, including the consumption of a sequence number by both the SYN and FIN control flags. Correctly modeling this progression is crucial for preventing data loss and ensuring reliable order flow. Task Implement the function tcp_seq_progression(int isn, int data_bytes) that calc
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