Question

What is internet and intranet and extranet?

Answer 1

Internet - is a global network which is available to anyone who wants to access information.

Intranet - is unique to an organization or group of people who work together at a place.

Extranet - is for individuals or group of personnel who want to send private information.


Hope this helps!

Answer 2

Answer:

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Intranet

ᴀɴ ɪɴᴛʀᴀɴᴇᴛ ɪs ᴀ ᴘʀɪᴠᴀᴛᴇ ɴᴇᴛᴡᴏʀᴋ ᴡʜɪᴄʜ ʙᴇʜᴀᴠᴇs ᴀs ᴛʜᴇ ɪɴᴛᴇʀɴᴇᴛ. ɪɴ ᴏᴛʜᴇʀ ᴡᴏʀᴅs ᴛʜᴇ ɪɴᴛʀᴀɴᴇᴛ ᴀᴘᴘᴀʀᴇɴᴛʟʏ ʟᴏᴏᴋs ʟɪᴋᴇ ᴛʜᴇ ɪɴᴛᴇʀɴᴇᴛ ʙᴜᴛ ᴛʜᴇ ʀᴇᴀʟɪᴛʏ ɪs ɪᴛ ɪs ᴘʀɪᴠᴀᴛᴇʟʏ ᴏᴡɴᴇᴅ ɴᴇᴛᴡᴏʀᴋ. ᴛʜᴇ ᴏʀɢᴀɴɪsᴀᴛɪᴏɴ ʟɪᴋᴇ ɪɴᴅɪᴀɴ ʀᴀɪʟᴡᴀʏ, ᴀʟʟ ᴛʜᴇ ʙᴀɴᴋs, ɪɴsᴜʀᴀɴᴄᴇ ᴄᴏᴍᴘᴀɴʏ, ᴇᴛᴄ. ʜᴀᴠᴇ ʜᴀᴠᴇ ᴛʜᴇɪʀ ᴏᴡɴ ɪɴᴛʀᴀɴᴇᴛ.

Internet

ᴛʜᴇ ɪɴᴛᴇʀɴᴇᴛ ɪs ᴀ ɢʟᴏʙᴀʟ ɴᴇᴛᴡᴏʀᴋ ᴏғ ᴄᴏᴍᴘᴜᴛᴇʀs ᴛʜᴀᴛ ᴡᴏʀᴋs ᴍᴜᴄʜ ʟɪᴋᴇ ᴛʜᴇ ᴘᴏsᴛᴀʟ sʏsᴛᴇᴍ, ᴏɴʟʏ ᴀᴛ sᴜʙ-sᴇᴄᴏɴᴅ sᴘᴇᴇᴅs. ᴊᴜsᴛ ᴀs ᴛʜᴇ ᴘᴏsᴛᴀʟ sᴇʀᴠɪᴄᴇ ᴇɴᴀʙʟᴇs ᴘᴇᴏᴘʟᴇ ᴛᴏ sᴇɴᴅ ᴏɴᴇ ᴀɴᴏᴛʜᴇʀ ᴇɴᴠᴇʟᴏᴘᴇs ᴄᴏɴᴛᴀɪɴɪɴɢ ᴍᴇssᴀɢᴇs, ᴛʜᴇ ɪɴᴛᴇʀɴᴇᴛ ᴇɴᴀʙʟᴇs ᴄᴏᴍᴘᴜᴛᴇʀs ᴛᴏ sᴇɴᴅ ᴏɴᴇ ᴀɴᴏᴛʜᴇʀ sᴍᴀʟʟ ᴘᴀᴄᴋᴇᴛs ᴏғ ᴅɪɢɪᴛᴀʟ ᴅᴀᴛᴀ.

Extranet

ᴀ ᴄᴏɴᴛʀᴏʟʟᴇᴅ, ᴘʀɪᴠᴀᴛᴇ ɴᴇᴛᴡᴏʀᴋ ᴀʟʟᴏᴡɪɴɢ ᴛʜɪʀᴅ-ᴘᴀʀᴛʏ ᴘᴀʀᴛɴᴇʀs ᴛᴏ ɢᴀɪɴ ɪɴғᴏʀᴍᴀᴛɪᴏɴ, ᴛʏᴘɪᴄᴀʟʟʏ ᴀʙᴏᴜᴛ ᴀ sᴘᴇᴄɪғɪᴄ ᴄᴏᴍᴘᴀɴʏ ᴏʀ ɪɴsᴛɪᴛᴜᴛɪᴏɴ, ᴀɴᴅ ᴅᴏ sᴏ ᴡɪᴛʜᴏᴜᴛ ɢʀᴀɴᴛɪɴɢ ᴀᴄᴄᴇss ᴛᴏ ᴀɴ ᴏʀɢᴀɴɪᴢᴀᴛɪᴏɴ's ᴇɴᴛɪʀᴇ ɴᴇᴛᴡᴏʀᴋ. ɪɴᴛʀᴀɴᴇᴛs ᴀɴᴅ ᴇxᴛʀᴀɴᴇᴛs ᴘᴇʀғᴏʀᴍ sɪᴍɪʟᴀʀ ғᴜɴᴄᴛɪᴏɴs, ʙᴜᴛ ғᴏʀ ᴅɪғғᴇʀᴇɴᴛ sᴜʙsᴇᴛs ᴏғ ᴘᴇᴏᴘʟᴇ.