Protocols
Computers · प्रोटोकॉल · 12 facts
1
HTTP (HyperText Transfer Protocol) for web browsing
2
HTTPS is secure version of HTTP (encrypted)
3
FTP (File Transfer Protocol) for uploading/downloading files
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SMTP sends emails; POP3/IMAP receives emails
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TCP provides reliable, ordered data transmission
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UDP provides fast but unreliable data transmission
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DNS converts domain names to IP addresses
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DHCP automatically assigns IP addresses to devices
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SSH provides secure remote access to computers
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Telnet provides remote access (not secure, replaced by SSH)
11
ICMP is used by ping command to test connectivity
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ARP maps IP addresses to MAC addresses