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. IP Address of a device can be changed:

 FALSE

 TRUE

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

 1500 Byte

 32-bit

 1600 Byte

 1518 Byte

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

 00-00-0C-00-00-01

 00:05:85:0Y:0Z:01

 00:05:85:B0:0A:01

 f86e.ee01.cd11

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

 Half duplex communication

 Full duplex communication

 Simplex communication

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

 Simplex communication

 Half duplex communication

 Full duplex communication

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

 Un-managed Switch

 Managed Switch

7. What is the total length of an IPv4 address?

 232-bit

 32-bit

 1032-bit

 64-bit

8. 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

 Forward to correct destination

 Broadcast

9. Ethernet belongs to which layer of OSI Model?

 Layer-3

 Layer-2

 Layer-1

 Layer-4

10. Which type of frame is this?

 Normal Ethernet Frame

 802.1q Ethernet Frame

 Layer-3 Frame

 IP Packet

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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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