If data is being sent over a wireless network, then connects to an Ethernet network, and eventually connects to a DSL connection, which header will be replaced each time the data travels through a network infrastructure device?
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If data is being sent over a wireless network, then connects to an Ethernet network, and eventually connects to a DSL connection, which header will be replaced each time the data travels through a network infrastructure device?
- Layer 3
- data link
- physical
- Layer 4
Explanation: Because each data link layer protocol controls how the device accesses the media, the data link information must be removed and re-attached. Even if a packet is going from one Ethernet network to another Ethernet network, the data link layer information is replaced.
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