OSI model

In the OSI model, Media Access Control (MAC) and the Logical Link Control (LLC) sub-layers are the components of?

Data link layer

LAYER 3

NETWORK

responsible for logical network addressing and routing. Protocols such as IPX, NetBEUI, and IP operate at this layer?

Network

At which of the OSI layers IP addressing takes place?

Network layer

IPv4, IPv6, IPsec, and ICMP all reside at what OSI layer?

Network layer

LAYER 1

PHYSICAL

a Multistation Access Unit (MAU) operates at which layer

PHYSICAL

LAYER 6

PRESENTATION

What layer does a Hub operate at?

Physical layer

LAYER 7

APPLICATION

What layer does HTTP, SMTP, and FTP use?

Application Layer

What is the name of a data unit used at the OSI physical layer?

Bit

LAYER 2

DATA LINK

Which layer is responsible for creating data packets and media access control (MAC) addressing.

DATA LINK

Bridges and switches operate at which layer?

Data Link layer

QoS works at what Layer of the OSI model?

data link and network layer

Which OSI layer is responsible for breaking up data into segments?

Transport layer

Data encryption and decryption typically takes place at the?

Presentation layer

In the OSI model, data compression takes places at the?

Presentation layer

LAYER 5

SESSION

NetBIOS resides at what layer?

Session layer

Which OSI layer assumes responsibility for managing networks connections between applications?

Session layer

LAYER 4

TRANSPORT

provides connection-oriented communications. Protocols such as TCP and UDP operate at the this layer?

TRANSPORT