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

 1518 Byte

 1500 Byte

 32-bit

 1600 Byte

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

 f86e.ee01.cd11

 00:05:85:0Y:0Z:01

 00-00-0C-00-00-01

 00:05:85:B0:0A:01

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

 10.0.0.1

 10.0.0.271

 10.0.0.0.1

 192.286.0.1

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

 Simplex communication

 Half duplex communication

 Full duplex communication

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

 Forward to correct destination

 Drop the frame

 Multicast

 Broadcast

6. IP Address of a device can be changed:

 FALSE

 TRUE

7. Which type of frame is this?

 Normal Ethernet Frame

 IP Packet

 Layer-3 Frame

 802.1q Ethernet Frame

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

 TRUE

 FALSE

9. Which type of Layer-2 switch is this?

 Managed Switch

 Un-managed Switch

10. Ethernet belongs to which layer of OSI Model?

 Layer-3

 Layer-4

 Layer-1

 Layer-2

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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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