OSi 7 Layer Model

Question 1

Layer 1 Physical
Name the protocols and devices

Answer 1

Protocols:100baseTX, bluetooth, DSL, 802.11

Devices: Cables, HUB, Repeater

Question 2

Layer 2 Data Link
Name the protocols and devices

Answer 2

Protocols: Ethernet, Wifi, PPP

Devices: Switch, Bridge, AP, NIC, Modem

Question 3

Layer 3 Network
Name the protocols and devices

Answer 3

Protocols: ipv4/6, ipsec, mpls, icmp, arp, vrrp, rip, ospf

Devices: Router, Layer 3 Switches

Question 4

Layer 4 Transport
Name the protocols and devices

Answer 4

Protocols: TCP, UDP

Devices: Firewall, Load balancer

Question 5

Layer 5 Session
Name the protocols and devices

Answer 5

Protocols: Netbios, SAP

Devices: Gateway

Question 6

Layer 6 Presentation
Name the protocols and devices

Answer 6

Protocols: SSL, TLS

Devices: -

Question 7

Layer 7 Application
Name the protocols and devices

Answer 7

Protocols: HTTP, FTP, SMTP, SNMP, POP3, DNS, DHCP, NTP, IMAP

Devices: -