CompTIA Network+ N10-008 Exam OSI Model Quiz

Which of the following reside at the physical layer of the OSI model? (Select 3)

• Network cabling

• Router

• Hub

• Repeater

Which devices operate at the Data Link layer of the OSI model? (Select 3)

• MAC Addresses

• Ethernet Frame

• Repeater

• Network switch

Which of the following is a function of the Transport layer?

• Packet routing

• Error detection

• Segmentation

• Signal amplification

What type of address is used at the Network layer of the OSI model?

• IP address

• Hostname

• MAC address

• Port number

Which OSI layer is responsible for establishing, managing, and terminating sessions?

• Session layer

• Presentation layer

• Transport layer

• Application layer

What is the primary function of the Application layer in the OSI model?

• Physical medium access

• Inter-network routing

• Data encryption

• User interface services

Which device operates primarily at the Network layer?

• Router

• Bridge

• Hub

• Modem

What protocol operates at the Transport layer of the OSI model?

• ARP

• Ethernet

• TCP

• HTTP

Which layer of the OSI model is responsible for error-free data transmission?

• Network layer

• Transport layer

• Data Link layer

• Physical layer

At which OSI layer does encryption and decryption occur?

• Transport layer

• Application layer

• Presentation layer

• Session layer