OSI Model Quiz: Can You Name All 7 Layers?

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| Attempts: 28 | Questions: 20 | Updated: Jul 1, 2026
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1. Which protocol operates at the Transport Layer (Layer 4)?

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About This Quiz
OSI Model Quiz: Can You Name All 7 Layers? - Quiz

Test your understanding of the OSI Model (Network+), the foundational framework that explains how network communication works across seven distinct layers. This quiz challenges college-level learners to identify each layer, understand its function, and recognize protocols and devices that operate at each level. Master the OSI Model to strengthen you... see morenetworking knowledge and prepare for certification exams. see less

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2. The ____ Layer is responsible for routing packets between networks using IP addresses.

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3. Which OSI layer uses IP addresses for logical addressing?

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4. MAC addresses are used at which OSI layer?

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5. True or False: UDP operates at the Transport Layer like TCP.

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6. Which layer converts data into frames for transmission?

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7. True or False: The Data Link Layer is responsible for end-to-end communication between hosts.

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8. At which OSI layer do switches operate?

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9. Which protocol handles email at the Application Layer?

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10. True or False: Routers operate at the Data Link Layer.

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11. Which protocol is associated with the Application Layer?

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12. Which device operates at Layer 3 of the OSI Model?

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13. The ____ Layer manages user interaction and provides network services directly to applications.

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14. Which layer of the OSI Model is responsible for physical transmission of data over network cables?

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15. Which OSI layer does DNS operate at?

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16. The ____ Layer handles data compression and format conversion.

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17. Which layer handles data encryption and decryption?

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18. Which device operates at Layer 1 of the OSI Model?

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19. The ____ Layer transmits raw bits over physical media.

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20. The ____ Layer is responsible for establishing, maintaining, and terminating connections.

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Which protocol operates at the Transport Layer (Layer 4)?
The ____ Layer is responsible for routing packets between networks...
Which OSI layer uses IP addresses for logical addressing?
MAC addresses are used at which OSI layer?
True or False: UDP operates at the Transport Layer like TCP.
Which layer converts data into frames for transmission?
True or False: The Data Link Layer is responsible for end-to-end...
At which OSI layer do switches operate?
Which protocol handles email at the Application Layer?
True or False: Routers operate at the Data Link Layer.
Which protocol is associated with the Application Layer?
Which device operates at Layer 3 of the OSI Model?
The ____ Layer manages user interaction and provides network services...
Which layer of the OSI Model is responsible for physical transmission...
Which OSI layer does DNS operate at?
The ____ Layer handles data compression and format conversion.
Which layer handles data encryption and decryption?
Which device operates at Layer 1 of the OSI Model?
The ____ Layer transmits raw bits over physical media.
The ____ Layer is responsible for establishing, maintaining, and...
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