What is the primary purpose of the OSI model?

• To enforce data security

• To define network topologies

• To standardize networking functions across systems

• To control wireless networks

Which layer of the OSI model is responsible for routing data?

• Transport

• Data Link

• Network

• Session

Which device is used to connect multiple LANs and determine the best path for data?

• Switch

• Hub

• Router

• Repeater

What is the function of the Data Link layer?

• Assigns IP addresses

• Ensures end-to-end delivery

• Handles MAC addressing and media access

• Encrypts data

Which of these is a wireless communication method?

• Coaxial cable

• Fiber optic

• Ethernet

• Wi-Fi

Which physical media is known for high resistance to electromagnetic interference and uses glass fibers?

• Twisted pair

• Coaxial

• Fiber optics

• Wireless

Which layer of the OSI model ensures that data is delivered in sequence and without errors?

• Network

• Transport

• Data Link

• Session

What kind of address is 192.168.0.1?

• MAC Address

• Broadcast Address

• Logical (IP) Address

• Hardware Address

Which of the following defines the structure and format of data on the network?

• Transport layer

• Presentation layer

• Session layer

• Data Link layer

What is the role of a switch in a network?

• Encrypts and decrypts data

• Connects different networks

• Sends data to all ports

• Forwards data to specific devices using MAC addresses