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OSI Model ;Ports-Protocols

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denolote's version from 2018-02-15 19:20

Section 1

Question Answer
Layer 1Physical
Layer 2Data Link
Layer 3Network
Layer 4Transport
Layer 5Session
Layer 6Presentation
Layer 7Application
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Section 2

Question Answer
FTP20,21
SSH22
TELNET23
SMTP25
DNS53
DHCP67,68
HTTP/HTTPS80,443
POP3110
SMB137-139;445
IMAP143
SNMP161,162
LDAP389,636
AFP427,548
RDP3389
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