2.7 Protocols Flashcards

1
Q

TCP

A

transmission control protocol

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2
Q

UDP

A

user datagram protocol

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3
Q

IP

A

internet protocol

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4
Q

HTTPS

A

hyper text transfer protocol secure

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5
Q

FTP

A

file transfer protocol

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6
Q

SNMP

A

simple network management protocol

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7
Q

POP

A

post office protocol

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8
Q

SMTP

A

simple mail transfer protocol

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9
Q

ICMP

A

internet control message protocol

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10
Q

what does TCP do

A

receives data and splits it into packets
receives packets and reassembles them
- retransmits if not received
- error checking and correction

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11
Q

what does UDP do

A

alternative to TCP but does not check if packets have arrived and will not retransmit
-faster but less reliable

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12
Q

what does IP do

A

addresses packets with source and destination IP address and removes them when they are no longer needed
- responsible for forwarding packets

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13
Q

what does HTTP do

A

how you access a webpage from a server
client -> request/response -> web servers

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14
Q

what does FTP do

A

handles file uploads and downloads. transfers data, programs and non viewable content.

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15
Q

what does SNMP do

A

collects information from devices connected to a network
- often managed from devices like routers
- stats collected include traffic and errors

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16
Q

what does POP do

A

used to download emails from email servers

17
Q

what does SMTP do

A

used to send emails to email servers and transfer emails between servers

18
Q

what does ICMP do

A

troubleshoot issues on the network, sends messages where there are issues with IP e.g. ping test

19
Q

what protocols are in the network layer

A

ICMP

20
Q

what protocols are in the internet layer

A

IP

21
Q

what protocols are in the transport layer

A

TCP and UDP

22
Q

what protocols are in the application layer

A

SMTP
FTP
HTTP
SNMP
POP

23
Q

order of the protocol stack

A

application layer
transport layer
internet layer
network layer