Which two fields are found in an Ethernet frame header? (Choose two.)
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A. B. C. D.CD
An Ethernet frame header is a part of the Ethernet protocol and contains information that is used to identify and manage the transmission of data over a network. It consists of several fields, each of which serves a specific purpose.
Out of the four options provided, the two fields that are found in an Ethernet frame header are the "type" and the "checksum" fields.
The "type" field is a 2-byte field that identifies the type of protocol that is encapsulated in the Ethernet frame. It is used to indicate the type of payload carried in the frame. The value in this field helps the receiving device determine how to interpret the data that is transmitted. For example, it could indicate whether the payload is an IP packet or an ARP packet.
The "checksum" field, on the other hand, is a 4-byte field that is used for error detection. It contains a value that is calculated using a checksum algorithm on the entire Ethernet frame, including the header and payload. This value is then used by the receiving device to verify that the frame was not corrupted during transmission.
The other two options, TTL (Time-to-Live) and flags, are not found in an Ethernet frame header. TTL is a field that is used in IP packets to prevent packets from circulating indefinitely in a network. Flags are used in TCP segments to control the behavior of the connection.
In summary, the two fields that are found in an Ethernet frame header are the "type" and "checksum" fields.