What do you mean by the term Gateways
What do you mean by the term Gateways? Describe in brief.
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These are the relay packets among networks which encompass different protocols (example: between a LAN and a WAN). They accept a packet formatted for one protocol and transform it to a packet formatted for the other protocol before forwarding it. They operate in all the seven layers of the OSI model.
4 channels, two with a bit-rate of 300 kbps and two with a bit-rate of 250 Kbps are to be multiplexed employing multiple slots TDM with no sync bits. a. Find out the size of a frame in bits? b. Determine frame rate? c. Compute the duration of a frame? d. Find out the data rate?
What is Network News Transfer Protocol (NNTP)?
Explain the term Repeater?
Give a brief explanation of Hunt calendar.
Mention few timers and time registers in the FDDI.
Explain the term Symmetric Multiprocessing (SMP)?
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What is a MAC Address?
What is SDMA and specify its uses?
Describe Transmission Control Protocol or TCP.
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