OSI Model Flashcards

1
Q

Layer 1 name

A

Physical

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2
Q

Layer 2 name

A

Data Link

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3
Q

Layer 7 name

A

Application

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4
Q

Layer 3 name

A

Network

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5
Q

Layer 5 name

A

Session

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6
Q

Layer 6 name

A

Presentation

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7
Q

Layer 4 name

A

Transport

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8
Q

Transport layer #

A

4

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9
Q

Application layer #

A

7

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10
Q

Data Link layer #

A

2

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11
Q

Session layer #

A

5

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12
Q

Physical layer #

A

1

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13
Q

Network layer #

A

3

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14
Q

Presentation layer #

A

6

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15
Q

Layer 1 devices

A

Cables, Hubs

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16
Q

Layer 2 devices

A

Switches

17
Q

Layer 3 devices

A

Router, L3 Switch

18
Q

Layer 7 devices

A

Proxies, application-proxies, firewalls, web application firewalls (WAF), web security gateways, UTM’s

19
Q

Layer 1 protocols

A

Ethernet, cabling protocols

20
Q

Layer 2 protocols

A

MAC, ARP, NDP, VLAN

21
Q

Layer 3 protocols

A

IPv4, IPv6, IPsec, ICMP

22
Q

Layer 4 Protocols

A

TCP/UDP

23
Q

Layer 7 protocols

A

DNS, FTP, FTPS, HTTP, HTTPS, IMAP4, LDAP, POP3, RDP, SCP, SFTP, SMTP, SNMP, SSH, Telnet, TFTP