Hoofdstuk 14 Flashcards by hilde hemelaers

20 (protocol + application)

tcp

ftp-data

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21 (protocol + application)

tcp

ftp-control

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22 (protocol + application)

tcp

ssh

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23 (protocol + application)

tcp

telnet

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25 (protocol + application)

tcp

smtp

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53 (protocol + application)

udp, tcp

dns

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67 (protocol + application)

udp

dhcp-server

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68 (protocol + application)

udp

dhcp-client

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69 (protocol + application)

udp

tftp

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80 (protocol + application)

tcp

http

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110 (protocol + application)

tcp

pop3

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143 (protocol + application)

tcp

imap

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161 (protocol + application)

udp

snmp

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443 (protocol + application)

https

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ftp-data (port number + protocol)

TCP

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ftp-control (port number + protocol)

tcp

ssh (port number + protocol)

tcp

telnet (port number + protocol)

tcp

smtp (port number + protocol)

tcp

dns (port number + protocol)

udp, tcp

dhcp-server (port number + protocol)

udp

dhcp-client (port number + protocol)

udp

tftp (port number + protocol)

udp

http (port number + protocol)

tcp

pop 3 (port number + protocol)

110 | tcp

imap (port number + protocol)

143 | tcp

snmp (port number + protocol)

161 | udp

https (port number + protocol)

443 | tcp

wat zijn de taken van de transportlaag?

* sessies uit elkaar houden (de data komt binnen via 1 lijn en moet op het juiste toestel terecht komen) * data segmenteren * header met info toevoegen

wat is de tree way handshakebij het opstarten van een sessie?

1. client to server sesion set 2. server to client sesion set 3. bevestiging

wat is de functie van de tree way handshake?

kijken of er een bestemming aanwezig is | bestemming informeren dat client een sessie start op een bepaalde poort