17169451
Description
Mind Map by Harriet O'Brien, updated more than 1 year ago
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Created by Harriet O'Brien
over 6 years ago
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Protocols
- They are needed to
ensure that data is
sent and received
accurately.
- It ensures that data
is sent to the correct
address on a
network.
- They have to include:
- DATA FORMATS:
Ensures data can
be exchanged
consistently and
correctly.
- ADDRESS FORMATS:
Identify senders and
recipients and to
ensure that data goes
to the right places
- ROUTING: provides to
right information so
that data can flow
through networks
correctly.
- DATA FORMATS:
Ensures data can
be exchanged
consistently and
correctly.
- TCP/IP:
Transmission
Control Protocol /
Internet protocol.
- Set or stack of
protocols that allow
a computer to
communicate
across a WAN.
- Protocols:
- 1) Split data into packets
- 2) Add address of
recipient
computer
- 3) Notify sending
computer when
data's recieved
- 1) Split data into packets
- Set or stack of
protocols that allow
a computer to
communicate
across a WAN.
- Examples:
- File Transfer Protocol
(FTP) - provides rules
for file transfer often
those to large for e-mail
attachments.
- Hypertext Transfer Protocol
(HTTP) - provides rules for
web browsers and servers
when transferring
information.
- HTTPS - ensures
communications between a
host and client are secure
by encrypting them
- Simple Mail Transfer Protocol
(SMTP) - provides rules for
sending e-mail messages from
client to server then server to
server until it reaches its
destination.
- Post Office Protocol
(POP) - used by
client to retrieve
e-mails for a mail
server.
- Internet message Access
Protocol (IMAP) - same as
POP but messages don't
have to be downloaded.
- File Transfer Protocol
(FTP) - provides rules
for file transfer often
those to large for e-mail
attachments.
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