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a) Assume that the time required to transmit one packet (i.e. the packet length divided by link data rate) is 10ms and the Round Trip Time (from Source to Destination and back) is 50ms. In the space below, draw a diagram illustrating the timing of Source and Destination exchanging packets and acknowledgments using a stop-and-wait protocol. Assume that packets are only sent from source to destination and that acknowledgments (of negligibly small size) are sent back immediately after the data frame is received.
b) Calculate link utilisation (proportion of time the channel is actually used for transmission) for the stop-and-wait case.
What is the purpose of cables being shielded and having twisted pairs? The main purpose of this is to stop crosstalk. Crosstalks are electromagnetic interferences or noise that
Explain everything you can tell from the following: a. 00-01-00-01-13-FD-F4-C0-00-1E-33-92-CE-99 b. fe80::2c1e:18af:749b:91c5%12 c. 2002:8b64:6e3a::8b64:6e3a d. ::0
In formation sharing at regular intervals For example every 30 seconds each router sends its information about the whole network to its neighbours. This sharing occurs
Hardware difficulty It refers to the price of hardware logic like connectors, wires, switches, arbiter etc. that are required for execution of interconnection network.
Input Port The input ports line termination functions and data link processing implement the physical and data link layer associated with an individual input link to
With a transaction server, the client requests remote procedures that reside on the server with an SQL database engine. These remote processes on the server execute a group of SQL
Q. Example on TCP numbering? Envision a TCP connection is transferring a file of 6000 bytes. The first byte is numbered 10010. What are the sequence numbers for every seg
What is Round Trip Time? The duration of time it takes to send a message from one end of a network to the other and back, is known as RTT.
Point out the drawbacks of Token Ring. Few of the drawbacks of Token Ring are: a. Token Ring is very costly. All topology components cost much more than other more popular s
Can you describe the concept of DHCP?
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