Multiple choice

Which value is inserted before the Ethertype byte offset for VLAN tagging?

  1. 0x0800

  2. 0x0806

  3. 0x86DD

  4. 0x8100

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The 802.1q tag is identified by the TPID (Tag Protocol Identifier) value 0x8100, which is inserted into the Ethernet frame to indicate the presence of VLAN information.