TKTushar Kumar Jaiswalinwebdevcohort2026.hashnode.dev·Apr 11 · 7 min readUnderstanding Network DevicesWhat is a Modem A modem (modulator - demodulator) is a translator + bridge between your home network and Internet Service Provider (ISP). Your devices like laptop and phones speak digital language li00
TKTushar Kumar Jaiswalinwebdevcohort2026.hashnode.dev·Mar 31 · 5 min readGetting Started with cURLWhat is cURL (in very simple terms) cURL (Client URL) is a command-line tool used to talk with server directly from your terminal. cURL is used to send and receive data from a server using a URL. 00
TKTushar Kumar Jaiswalinwebdevcohort2026.hashnode.dev·Mar 21 · 6 min readTCP Working: 3-Way Handshake & Reliable CommunicationWhat is TCP and why it is needed Transmission Control Protocol (TCP) is a protocol that allows devices to send data from one system to another system reliably, in correct order, without forget any lit00
TKTushar Kumar Jaiswalinwebdevcohort2026.hashnode.dev·Mar 19 · 7 min readTCP vs UDP: When to Use What, and How TCP Relates to HTTPWhat are TCP and UDP (at a very high level) At a very high level, both of them are just ways to deliver payload (data) over the internet (Transport Layer Protocol). The real difference is what they re00
TKTushar Kumar Jaiswalinwebdevcohort2026.hashnode.dev·Mar 16 · 8 min readDNS Record Types ExplainedWhat DNS is DNS is often described as “ phonebook of the internet ”. It’s primary job is to convert human readable domain names like - google.com to machine readable IP addresses like - 142.250.183.1400