2 - OSI Model

Question 1

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

Answer 1

adjacent-layer

Question 2

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

Answer 2

same-layer

Question 3

List the layers of the OSI model in order:
7. […]
6. […]
5. […]
4. Transport
3. Network
2. Data Link
1. Physical

Answer 3

7. Application
8. Presentation
9. Session

Question 4

List the layers of the OSI model in order:
7. Application
6. […]
5. […]
4. […]
3. Network
2. Data Link
1. Physical

Answer 4

6. Presentation
7. Session
8. Transport

Question 5

List the layers of the OSI model in order:
7. Application
6. Presentation
5. […]
4. […]
3. […]
2. Data Link
1. Physical

Answer 5

5. Session
6. Transport
7. Network

Question 6

List the layers of the OSI model in order:
7. Application
6. Presentation
5. Session
4. […]
3. […]
2. […]
1. Physical

Answer 6

4. Transport
5. Network
6. Data Link

Question 7

List the layers of the OSI model in order:
7. Application
6. Presentation
5. Session
4. Transport
3. […]
2. […]
1. […]

Answer 7

3. Network
4. Data Link
5. Physical

Question 8

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

Answer 8

Application, Presentation, Session

Question 9

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

Answer 9

Network

Question 10

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

Answer 10

Data Link, Physical

Question 11

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

Answer 11

Transport

Question 12

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

Answer 12

Application

Question 13

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

Answer 13

Link

Question 14

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

Answer 14

Internet

Question 15

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

Answer 15

Transport

Question 16

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

Answer 16

3

Question 17

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

Answer 17

2

Question 18

The OSI model is divided into […] layers.

Answer 18

7

Question 19

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

Answer 19

encapsulation

Question 20

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

Answer 20

de-encapsulation

Question 21

What does ‘OSI’ stand for?

Answer 21

Open Systems Interconnection

Question 22

What is the name of the Layer 1 PDU?

Answer 22

Bits

Question 23

What is the name of the Layer 2 PDU?

Answer 23

Frame

Question 24

What is the name of the Layer 3 PDU?

Answer 24

Packet

Question 25

What is the name of the Layer 4 PDU?

Answer 25

Segment

Question 26

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

Answer 26

Layer 1 - Physical

Question 27

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

Answer 27

Layer 2 - Data Link

Question 28

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

Answer 28

Layer 5 - Session

Question 29

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

Answer 29

Application

Question 30

Which layer of the OSI model includes HTTP and HTTPS?

Answer 30

Layer 7 - Application

Question 31

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

Answer 31

Layer 7 - Application

Question 32

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

Answer 32

Layer 3 - Network

Question 33

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

Answer 33

Layer 4 - Transport

Question 34

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

Answer 34

Layer 3 - Network

Question 35

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

Answer 35

Layer 2 - Data Link

Question 36

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

Answer 36

Layer 3 - Network

Question 37

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

Answer 37

Layer 7 - Application

Question 38

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

Answer 38

Layer 4 - Transport

Question 39

Which layer of the OSI model translates between data formats?

Answer 39

Layer 6 - Presentation

Question 40

Which networking model is in use in modern networks?

Answer 40

TCP/IP

Question 41

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

Answer 41

TCP/IP Suite (TCP/IP Model)