Can some one explain to me the format of a network layer datagram. And and explain to me each field, and it's function.

Can one NIC run (process) both IEEE's 802.3 frame type, and ethernet II's frame type at the same time?

You have 4 computers in a LAN segment PC-A,PC-B,PC-C, and PC-D, and PC's A,C, and D, are part of the same multicast group. If PC-A sends out a multicast, how is PC-B going to know to drop the packet because it does not belong to PC's A,C,and D's dyn...

From what I understand the Application layer provides the interface for a user to interact with an Application such as e-mail, and FTP, and that the Presentation layer is reaponsible for how data is represented to the user through that interface (lik...

Does the ip summary-address eigrp interface configuration command only permit one summarized address per interface to be advertized,or could it take mutiple summarized routes like in a scenerio where you have two summarized routes?for example: The ne...