INTRODUCTION
PROTOCOL LAYERING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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For what two purposes does the Ethernet protocol use physical addresses? (Choose two.)
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to uniquely identify devices at Layer 2
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to allow communication with devices on a different network
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to differentiate a Layer 2 frame from a Layer 3 packet
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to allow communication between different devices on the same network
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Explanation:
Detailed explanation-1: -For what two purposes does the Ethernet protocol use physical addresses? (Choose two.) Explanation: Physical addresses or MAC addresses are used to identify devices at layer 2. MAC addresses are only used to communicate on the same network.
Detailed explanation-2: -Ethernet operates in the data link layer and the physical layer.
Detailed explanation-3: -Which component of an Ethernet frame is used to notify a host that traffic is coming? Preamble is a 7 Byte field in the Ethernet frame which helps to receiver to know that it is an actual data (Ethernet Frame) and not some random noise in the transmission medium. It acts like a doorbell telling about the incoming data.
There is 1 question to complete.