OSI Layer Questions

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What is the OSI layer 7 known as?

Application

What is the OSI layer 2 known as?

Data Link

At which OSI layer does the CSU/DSU operate on?

Layer 1 Physical

Which OSI layer do hubs and repeaters run on?

Layer 1 Physical

Which OSI layer does Wireless LAN's run on?

Layer 1 Physical

Which OSI layer is used for the transmission of bits?

Layer 1 Physical

The network interface layer of the TCP/IP model corresponds with which of the following layers of the OSI model?

Layer 1 Physical & Layer 2 Data Link

At which layer of the OSI model do frames exist?

Layer 2 Data Link

At which layer of the OSI model does CDP operate at?

Layer 2 Data Link

At which layer of the OSI model is RSTP used to prevent loops?

Layer 2 Data Link

What OSI layer does the MAC address operate at?

Layer 2 Data Link

What layer of the OSI model do HSRP, VRRP & GLBP operate at?

Layer 2 Data Link

What layer of the OSI model do VLAN's exist on?

Layer 2 Data Link

Which OSI layer does FHRP protocols run on?

Layer 2 Data Link

Which OSI layer is used by an unmanaged switch?

Layer 2 Data Link

Which OSI layer is used by the TCP protocol?

Layer 2 Data Link

Which layer of the OSI model does PPP take place?

Layer 2 Data Link

MultiProtocol Label Switching (MPLS) operates at which 2 OSI layers?

Layer 2 Data Link & Layer 3 Network

What OSI layer does a router function at?

Layer 3 Network

Which OSI layer is used for IPV6 routing?

Layer 3 Network

Which OSI layer is used for logical addressing?

Layer 3 Network

At which layer of the OSI model are EIGRP ACK messages sent?

Layer 4 Transport

What layer of the OSI model does OSPF LSACKs messages use?

Layer 4 Transport

Which OSI layer does ASCII run on?

Layer 6 Presentation

Which OSI layer is used for data encryption?

Layer 6 Presentation

Name the 4 layers of the TCP/IP model?

Link Layer, Internet Layer, Transport Layer, Application Layer

What is the OSI layer 3 known as?

Network

What is the OSI layer 1 known as?

Physical

What is the OSI layer 6 known as?

Presentation

40. What is the OSI layer 5 known as?

Session

What is the OSI layer 4 known as?

Transport


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