Jeremy's IT Lab CCNA OSI Model & TCP/IP Suite Day 3

Interaction between the different OSI layers on the same device is called [...] interaction.

adjacent-layer

Interaction between the same OSI layer on different devices is called [...] interaction.

same-layer

List the layers of the OSI model in order:

7. [...]

6. [...]

5. [...]

4. Transport

3. Network

2. Data Link

1. Physical

7. Application

6. Presentation

5. Session

List the layers of the OSI model in order:

7. Application

6. [...]

5. [...]

4. [...]

3. Network

2. Data Link

1. Physical

6. Presentation

5. Session

4. Transport

List the layers of the OSI model in order:

7. Application

6. Presentation

5. [...]

4. [...]

3. [...]

2. Data Link

1. Physica

5. Session

4. Transport

3. Network

List the layers of the OSI model in order:

7. Application

6. Presentation

5. Session

4. [...]

3. [...]

2. [...]

1. Physical

4. Transport

3. Network

2. Data Link

List the layers of the OSI model in order:

7. Application

6. Presentation

5. Session

4. Transport

3. [...]

2. [...]

1. [...]

3. Network

2. Data Link

1. Physical

OSI Model [...] Layer(s) = TCP/IP Application Layer

Application, Presentation, Session

OSI Model [...] Layer(s) = TCP/IP Internet Layer

Network

OSI Model [...] Layer(s) = TCP/IP Link Layer

Data Link, Physical

OSI Model [...] Layer(s) = TCP/IP Transport Layer

Transport

OSI Model Application, Presentation, Session Layers = TCP/IP [...] Layer

Application

OSI Model Data Link, Physical Layers = TCP/IP [...] Layer

Link

OSI Model Network Layer = TCP/IP [...] Layer

Internet

OSI Model Transport Layer = TCP/IP [...] Layer

Transport

Routers operate at Layer [...] of the OSI model.

3

Switches operate at Layer [...] of the OSI model.

2

The OSI model is divided into [...] layers.

7

The process of adding additional headers and trailers to data before it is sent over the network is called [...]

encapsulation

The process of removing headers and trailers from data received over a network is called [...]

de-encapsulation

What does 'OSI' stand for?

Open Systems Interconnection

What is the name of the Layer 1 PDU?

Bits

What is the name of the Layer 2 PDU?

Frame

What is the name of the Layer 3 PDU?

Packet

What is the name of the Layer 4 PDU?

Segment

Which layer of the OSI model defines physical characteristics of the medium used to transfer data between devices?

Layer 1 - Physical

Which layer of the OSI model detects and corrects Physical layer errors?

Layer 2 - Data Link

Which layer of the OSI model establishes, manages, and terminates connections between the local and remote applications?

Layer 5 - Session

Which layer of the OSI model identifies communication partners and synchronizes communication?

Application

Which layer of the OSI model includes HTTP and HTTPS?

Layer 7 - Application

Which layer of the OSI model interacts with software applications on a computer?

Layer 7 - Application

Which layer of the OSI model provides connectivity to end hosts on different networks?

Layer 3 - Network

Which layer of the OSI model provides host-to-host communication?

Layer 4 - Transport

Which layer of the OSI model provides logical addressing (IP addresses)?

Layer 3 - Network

Which layer of the OSI model provides node-to-node connectivity?

Data Link

Which layer of the OSI model provides path selection between source and destination?

Layer 3 - Network

Which layer of the OSI model provides process-to-process communication?

Layer 7 - Application

Which layer of the OSI model segments and reassembles data for communications between end hosts?

Layer 4 - Transport

Which layer of the OSI model translates between data formats?

Layer 6 - Presentation

Which networking model is in use in modern networks?

TCP/IP

Which networking model was developed by the United States Department of Defense?

TCP/IP Suite (TCP/IP Model)