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