What is the approximate size of each frame of data that travels in Ethernet network?

Question

BlackTom AI · Accepted Answer

To analyze this question, first recall how Ethernet frames are structured and the typical payload size.
Option a: '1.5 KB' corresponds to 1500 bytes of payload, which is the standard maximum IEEE 802.3 Ethernet MTU (Maximum Transmission Unit) for a data frame. This payload size is commonly described as 1.5 KB when discussing Ethernet frame data.
Option b: '1 KB' would imply 1000 bytes of payload, which is smaller than the standard MTU and would not represent the maximum data that an Ethernet frame is designed to carry within its payload.
Option c: '2 KB' would be 2048 bytes of payload, exceeding the standard MTU for a single Ethernet frame. While there are jumbo frames in some networks, the question asks for the approximate size of each frame, and the conventional value is 1.5 KB.
Option d: '2.5 KB' equals 2560 bytes of payload, which is even larger and not typical for standard Ethernet frames; it falls outside the common MTU specification and would require non-standard configurations.
In summary, the commonly cited maximum payload for a standard Ethernet frame is 1500 bytes, i.e., approximately 1.5 KB, whereas the other options either understate or overstate the standard payload size. The question asks for the approximate size of each frame of data that travels in Ethernet networks, so 1.5 KB best fits the conventional MTU.

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