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
