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CloudFlare "Interview Questions"

Blog post from Cloudflare

Post Details
Company
Date Published
Author
Marek Majkowski
Word Count
537
Company Posts That Month
7
Language
English
Hacker News Points
150
Post removed?
No
Summary

Marek Majkowski shares a collection of interesting questions about TCP/IP, aiming to encourage readers to review the protocols and spread knowledge about them. The questions cover topics such as lowest TCP port number, URG pointer field usage, RST packet payload, IPv6 flow field usage, IP_FREEBIND socket option, PSH flag functionality, SYN cookies, UDP checksum field, TCP simultaneous open, stupid window syndrome, CWE and ECE flags in TCP header, IP ID field and DF bit, ICMP Path MTU, Linux sysctl settings, incoming TCP connections handling, BGP bogons, MD5 checksums in packets, and differences in checksumming algorithms between IPv4 and IPv6.

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