OSI Model & TCP/IP Suite

Question 1

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

Answer 1

Adjacent-layer

Question 2

Interaction between the same OSI layers on the different devices is called ___ interaction.

Answer 2

Same-layer

Question 3

Lists the layers of the OSI model in order:

7. ___
8. ___
9. ___
10. Transport
11. Network
12. Data Link
13. Physical

Answer 3

7. Application
8. Presentation
9. Session

Question 4

Lists the layers of the OSI model in order:

7. Application
8. ___
9. ___
10. ___
11. Network
12. Data Link
13. Physical

Answer 4

6. Presentation
7. Session
8. Transport

Question 5

Lists the layers of the OSI model in order:

7. Application
8. Presentation
9. ___
10. ___
11. ___
12. Data Link
13. Physical

Answer 5

5. Session
6. Transport
7. Network

Question 6

Lists the layers of the OSI model in order:

7. Application
8. Presentation
9. Session
10. ___
11. ___
12. ___
13. Physical

Answer 6

4. Transport
5. Network
6. Data Link

Question 7

Lists the layers of the OSI model in order:

7. Application
8. Presentation
9. Session
10. Transport
11. ___
12. ___
13. ___

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 Layer(s) = TCP/IP ___ Layer

Answer 12

Application

Question 13

OSI Model Data Link, Physical Layer(s) = TCP/IP ___ Layer

Answer 13

Link

Question 14

OSI Model Network Layer(s) = TCP/IP ___ Layer

Answer 14

Internet

Question 15

OSI Model Transport Layer(s) = TCP/IP ___ Layer

Answer 15

Transport

Question 16

Routers operate at Layer ___ of the OSI model

Answer 16

3

Question 17

Switches operate at the 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 layers of the OSI model defines physical characteristics of the medium used to transfer data between devices?

Answer 26

Layer 1 - Physical

Question 27

Which layers of the OSI model detects and corrects Physical Layer errors?

Answer 27

Layer 2 - Data Link

Question 28

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

Answer 28

Layer 5 - Session

Question 29

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

Answer 29

Layer 7 - Application

Question 30

Which layers of the OSI model includes HTTP and HTTPS?

Answer 30

Layer 7 - Application

Question 31

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

Answer 31

Layer 7 - Application

Question 32

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

Answer 32

Layer 3 - Network

Question 33

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

Answer 33

Layer 4 - Transport

Question 34

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

Answer 34

Layer 3 - Network

Question 35

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

Answer 35

Layer 2 - Data Link

Question 36

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

Answer 36

Layer 3 - Network

Question 37

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

Answer 37

Layer 7 - Application

Question 38

Which layers of the OSI model segments and reassembles data for communication between end hosts?

Answer 38

Layer 4 - Transport

Question 39

Which layers of the OSI model translates between data formats?

Answer 39

Layer 6 - Presentation

Question 40

Which 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)