Data Link Layer & Layer2 Switching (ITN CCNA Online Quiz)

Test your Cisco Networking knowledge and skills by practicing this free online Layer-2 Switching Quiz.

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1. Which type of communication is this? (Only one computer can send at a time)

 Simplex communication

 Half duplex communication

 Full duplex communication

2. What is the maximum length of an original Ethernet-II frame?

 32-bit

 1518 Byte

 1500 Byte

 1600 Byte

3. Ethernet belongs to which layer of OSI Model?

 Layer-2

 Layer-1

 Layer-4

 Layer-3

4. Which of these is NOT a valid MAC Address?

 00:05:85:0Y:0Z:01

 f86e.ee01.cd11

 00-00-0C-00-00-01

 00:05:85:B0:0A:01

5. Which type of frame is this?

 Normal Ethernet Frame

 Layer-3 Frame

 802.1q Ethernet Frame

 IP Packet

6. Which one of these is a valid IP address?

 10.0.0.0.1

 10.0.0.271

 10.0.0.1

 192.286.0.1

7. IP Address & MAC Address of a device can be same:

 FALSE

 TRUE

8. Which type of communication is this? (Both computers can send at the same time)

 Half duplex communication

 Simplex communication

 Full duplex communication

9. What is the default behavior of a Layer-2 Cisco Switch when it receives a Frame for the first time after power-on?

 Multicast

 Drop the frame

 Broadcast

 Forward to correct destination

10. IP Address of a device can be changed:

 FALSE

 TRUE

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What is Layer-2 Switching?

Layer 2 switching (or Data Link layer switching) is the process of using devices’ MAC addresses to decide where to forward frames. Switches and bridges are used for Layer 2 switching. They break up one large collision domain into multiple smaller ones.

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