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What is CRC and Checksum
CRC (Cyclic redudancy check)
CRC, is the most powerful of the redundancy checking methods, is based on binary division.
Checksum
Checksum is used by the higher layer protocols (TCP/IP) for error detection
Sequence Number After the bytes have been numbered TCP assigns a sequence number to each segment that is being sent. These sequence number for each segment is the numb
Q. Summary of osi model? - There was no standard for networks in the early period and as a result it was difficult for networks to communicate with each other. - The ISO (In
As there will be more devices there will be more traffic of information. We can include capacity to WAN by adding more links and packet switches. Packet switches use not have compu
Sonet Devices STS Mux or DMux either multiplexes signals from multiple sources into an STS or demultiplexes an STS into different destination signals. Regenerator is a repea
Can you describe the concept of TTL?
Prepare the Network Step 1: Disable all ports by using the shutdown command. Ensure that the initial switch port states are inactive with the shutdown command. Use the inter
What is OSI and what role does it play in computer networks? OSI (Open Systems Interconnect) serves as a reference model for data communication. It is made up of 7 layers, with
Network Layer and Routing As discussed in previous chapters the physical layer provides connection sand services to the data link layer while the data link layer is
c program to implement the ospf
Question 1 Discuss the benefits and requirements of VOIP Question 2 Define the following Multicast routing protocol explain in detail with diagram Multicast backbone
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