Protocols

Computers · प्रोटोकॉल · 15 facts

HTTP (HyperText Transfer Protocol) for web browsing

HTTPS is secure version of HTTP (encrypted)

FTP (File Transfer Protocol) for uploading/downloading files

SMTP sends emails; POP3/IMAP receives emails

TCP provides reliable, ordered data transmission

UDP provides fast but unreliable data transmission

DNS converts domain names to IP addresses

DHCP automatically assigns IP addresses to devices

SSH provides secure remote access to computers

Telnet provides remote access (not secure, replaced by SSH)

ICMP is used by ping command to test connectivity

ARP maps IP addresses to MAC addresses

IPv4 uses 32-bit address; IPv6 uses 128-bit address

SNMP (Simple Network Management Protocol) monitors network devices

VoIP uses internet protocols to transmit voice calls