Flashcards
Flashcards Protocols
Flashcards do conjunto (7)
- 1TCP/IP - sending the dataDividing the message into packets
Adding a sequence number to each packet so the message can be re-assembled
Adding extra error-correction information, so errors can be spotted and fixed - 2TCP/IP - receiving the dataExamining each packet for errors by using the extra information that was added to it
fixing any errors (if possible)or requesting that the packet to be re-sent
spotting missing packets and requesting them to be re-sent
if all packets are present, using the sequence number of each packet to re-assemble the message - 3HTTP and HTTPS - Hypertext Transfer Protocol (secure)a web page is made up of individual files meaning that there is a collection of files that can be sent and received from different servers
- 4FTP - FILE Transfer Protocolthis is a standard network that can be used to transfer (upload and download) between a server and a client
- 5POP - Post Office Protocolallows emails to be downloaded and/or emails from a mail server.
it can only handle one mailbox
messages once downloaded, are removed from the email server and cannot later be viewed by other devices
it does not support complex searches of emails on the server - 6IMAP - Internet Message Access Protocolthis can set flags on emails showing whether they have been viewed (read), replied to, deleted etc.
access emails on multiple devices
synchronizes across devices
it allows complex searches to be carried out based on subject such as headers
it can handle more than one mailbox
you can choose whether to download just the headers, full body or not to download attatchments - 7SMTP - Simple Mail Transport Protocolyou can choose whether you want to receive mail from other servers
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- GCSE Computing FlashCards sobre Flashcards Protocols, criado por Robert Kearton em 23-09-2020.
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- Robert Kearton
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