Data Link Layer Quiz6

Which IEEE standard defines Ethernet?

• IEEE 802.11

• IEEE 802.15

• IEEE 802.3

• IEEE 802.16

What is the primary function of the data link layer?

• Routing packets

• Providing node-to-node data transfer

• Addressing data to the correct IP address

• Encrypting data for secure transmission

Which type of cable is typically used for Ethernet networking?

• Coaxial cable

• Fiber optic cable

• Twisted pair cable

• Powerline cable

What is the role of a switch in a network?

• To forward data based on IP addresses

• To forward data based on MAC addresses

• To act as a gateway to other networks

• To convert digital signals to analog

What is the role of a MAC address in networking?

• Identifying devices on the network

• Identifying network segments

• Routing data between networks

• Encrypting data packets

Which protocol uses an Address Resolution Protocol (ARP)?

• TCP

• IP

• UDP

• Ethernet

Which of the following devices operates at the data link layer?

• Router

• Switch

• Hub

• Modem

How does a switch learn MAC addresses?

• By broadcasting to all ports

• By listening to incoming frames

• By using ARP requests

• By routing tables

What does CSMA/CD stand for in Ethernet networking?

• Carrier Sense Multiple Access with Collision Detection

• Carrier Sense Multiple Access with Collision Division

• Carrier Sense Multiple Access with Congestion Detection

• Carrier Sense Multiple Access with Congestion Division

Which of the following is a protocol operating at the data link layer?

• IP

• TCP

• Ethernet

• HTTP