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Q. Why congestion occurs?
Congestion
Emerge if the load on the network is greater than the capacity of the network
- Load that is the number of packets sent to the network
- Capacity that is the number of packets a network can handle
Why congestion occurs?
- Because routers and switches have queues that hold the packets before and after processing
Congestion control: keep the load below capacity
The packet is place at the end of the input queue
The processing module moves the packet from the queue and forwards the packet
The packet is put in an appropriate output queue
Can you describe how BGP does the decision process?
What is Error Detection? What are its methods? Data can be corrupted during transmission. For reliable communication errors must be deducted and corrected. Error Detection uses
How receiver detects error The frame is 10011101. The generator is 1001. The message after appending the three zeros is 10011101000. The reminder on dividing 10011101000 by 100
Q. Show the Error Correction by Hamming Code? Hamming Code is able to be applied to data units of any length and uses the relationship between data and redundancy bits For i
Error Detection-- CRC Powerful error detection system Rather than addition, binary division is utilized A series of redundant bits called "CRC" or else "CRC remai
what role would you assign for Pentium iii, 500 MHz processor, 256 MB memory, 1o GB hard drive
What is WAN? A wide area network is defines a LAN of LANs. WANs connect LANs that might be on opposite sides of a building, across the country or around the world. WANS
What are the different kinds of firewall architectures?
Q. Flow control in TCP? The amount of data a source is able to send before receiving an ACK from the destination Whether to send 1 byte of data as well as wait for ACK
Q. Show the Congestion control in TCP? Congestion control in TCP TCP assumes that the cause of lost segment is due to congestion in the network Retransmission of
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