16. Which layer of the OSI model is responsible for providing logical addressing and routing of packets?
a. Physical layer
b. Data Link layer
c. Network layer
d. Session layer
17. Which layer of the OSI model is responsible for detecting and correcting errors at the bit level?
a. Physical layer
b. Data Link layer
c. Network layer
d. Transport layer
18. Which layer of the OSI model is responsible for managing flow control between devices?
a. Physical layer
b. Data Link layer
c. Transport layer
d. Application layer
19. Which layer of the OSI model is responsible for creating and managing virtual circuits for communication between devices?
a. Physical layer
b. Data Link layer
c. Network layer
d. Session layer
20. Which layer of the OSI model is responsible for providing authentication and encryption services?
a. Physical layer
b. Data Link layer
c. Transport layer
d. Application layer
