OSI Layers
In the OSI model, physical addressing takes place at the:
Data link layer
Layer 2 of the OSI model is also known as:
Data link layer
Which of the following devices resides at the data link layer of the OSI model?
Ethernet switch
Which of the following protocols reside(s) at the application layer of the OSI model? (Select all that apply)
HTTP FTP SMTP
Which of the following reside(s) at the physical layer of the OSI model? (Select all that apply)
Hub - Network cable
Which of following protocols reside(s) at the OSI network layer? (Select all that apply)
IPv4 - IPsec - IPv6 - ICMP
Physical layer of the OSI model is also referred to as:
Layer 1
At which of the OSI layers IP addressing takes place?
Layer 3
Which of the following terms refers to the OSI network layer?
Layer 3
Routers operate at: (Select two answers)
Layer 3 of the OSI model and Network layer of the OSI model
In the OSI model, session layer is also known as:
Layer 5
Presentation layer is another term for:
Layer 6
Application layer of the OSI model is known as:
Layer 7
Which of the protocols listed below resides at the session layer of the OSI model?
NetBIOS
Transport layer resides between which two other layers of the OSI model?
Network and Session
Layer 3 of the OSI model is also referred to as:
Network layer
Internet Protocol Security (IPsec) resides at:
Network layer of the OSI model
The Open Systems Interconnection (OSI) model consists of:
7 leyers
OSI layer 7 is also referred to as:
Application Layer
What is the name of a data unit used at the OSI physical layer?
Bit
In the OSI model, Media Access Control (MAC) and Logical Link Control (LLC) sublayers are the components of:
Data link layer
User Datagram Protocol (UDP) resides at: (Select 2 answers)
Transport layer and Layer 4
In the OSI model, data compression takes place at the:
Presentation Layer
Layer 6 of the OSI model is also known as:
Presentation layer
Data encryption and decryption typically takes place at the:
Presentation layer of the OSI model
Layer 5 of the OSI model is called:
Session layer
Which OSI layer assumes responsibility for managing network connections between applications?
Session layer
In the OSI model, Transmission Control Protocol (TCP) resides at: (Select all that apply)
Transport
Layer 4 of the OSI model is also known as:
Transport layer
Which OSI layer is responsible for breaking up data into segments?
Transport layer