OSI Model Layers and Functions Quiz

1. True or False: The Physical Layer includes network adapters and fiber optic cables.

True

False

2. Which protocol operates at the Transport Layer (Layer 4)?

IP

Ethernet

TCP

DNS

3. True or False: UDP is a connection-oriented protocol that operates at Layer 4.

True

False

4. What is the primary function of Layer 1 (Physical)?

Routing packets between networks

Transmitting raw bits over physical media

Establishing end-to-end connections

Managing MAC addresses

5. Which of the following are functions of the Application Layer? Select all that apply.

Providing user interfaces and services

Performing routing calculations

Supporting email and web browsing

Managing physical transmission of bits

Submit

6. What is the primary role of Layer 2 (Data Link) in a network?

Managing IP routing and logical addressing

Providing reliable node-to-node delivery using MAC addresses

Encrypting sensitive user data

Controlling application-level services

7. What does the Session Layer (Layer 5) primarily manage?

Establishing, maintaining, and terminating connections

Converting data formats between systems

Ensuring reliable delivery of data

Translating domain names to IP addresses

8. True or False: A switch operates at Layer 3 and makes routing decisions based on IP addresses.

True

False

9. Which layer is responsible for encryption and data confidentiality?

Layer 4 - Transport

Layer 5 - Session

Layer 6 - Presentation

Layer 7 - Application

10. What device operates at Layer 3 to forward packets between networks?

Switch

Router

Hub

Bridge

11. Which OSI layer is responsible for logical addressing and routing?

Layer 2 - Data Link

Layer 3 - Network

Layer 4 - Transport

Layer 5 - Session

Submit

14. Which of these statements about the OSI model are correct? Select all that apply.

Layer 1 deals with physical cables and voltages

Layer 4 handles end-to-end communication

Layer 2 is responsible for routing between networks

Layer 7 interfaces directly with user applications

Submit

15. At Layer 2, data is organized into frames. What is the smallest unit of data at Layer 3?

Bit

Packet

Segment

Frame

16. Layer 7 (Application) includes which of the following protocols? Select all that apply.

HTTP

SMTP

IP

FTP

Submit

17. Which protocol is used at Layer 3 to determine the best path for packet delivery?

ARP

ICMP

BGP

DHCP

Submit

19. Which layer handles the translation of data formats and compression for transmission?

Layer 5 - Session

Layer 6 - Presentation

Layer 7 - Application

Layer 4 - Transport

Submit

Network+ OSI Model Layers and Functions Quiz

1. True or False: The Physical Layer includes network adapters and fiber optic cables.

2.

What first name or nickname would you like us to use?

2. Which protocol operates at the Transport Layer (Layer 4)?

3. True or False: UDP is a connection-oriented protocol that operates at Layer 4.

4. What is the primary function of Layer 1 (Physical)?

5. Which of the following are functions of the Application Layer? Select all that apply.

6. What is the primary role of Layer 2 (Data Link) in a network?

7. What does the Session Layer (Layer 5) primarily manage?

8. True or False: A switch operates at Layer 3 and makes routing decisions based on IP addresses.

9. Which layer is responsible for encryption and data confidentiality?

10. What device operates at Layer 3 to forward packets between networks?

11. Which OSI layer is responsible for logical addressing and routing?

12. The Data Link Layer uses ______ addresses to identify devices on the same network segment.

13. A ______ operates at Layer 2 and forwards frames based on MAC address tables.

14. Which of these statements about the OSI model are correct? Select all that apply.

15. At Layer 2, data is organized into frames. What is the smallest unit of data at Layer 3?

16. Layer 7 (Application) includes which of the following protocols? Select all that apply.

17. Which protocol is used at Layer 3 to determine the best path for packet delivery?

18. At the Network Layer, a ______ is the basic unit of data that includes source and destination IP addresses.

19. Which layer handles the translation of data formats and compression for transmission?

20. At Layer 4, a ______ is used by TCP to ensure ordered, reliable delivery of data segments.