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Firewall
The NAT router allows receiving of number of a data streams. If it receives a transmission in the form of acknowledgement or data streams or error responses from an external server due to a particular request from an internal user, then it will receive the data, translate the address to local IP address and forward it to the requesting user. By preventing all incoming requests or connections except those expected or permitted, the router acts as a "firewall".
Advantages There are times when using packet filters makes sense. If the connections require high throughput or the protocols has proprietary technology that makes it
Packet loss and retransmission in TCP TCP gets reliability by retransmission. An acknowledgement is used to check that data has arrived successfully. If acknowledgement does no
Q. Error Detection-General? Sender transmits every data unit twice Receiver performs bit-by-bit comparison between those two versions of data. Any mismatch would
Configure Router1. From Host1, connect to the console of Router 1 and establish a console session. Directions for creating a console connection using HyperTerminal are in Appen
Question : a) Describe the following core components of a cellular based network: i) Cell ii) MSC iii) HLR & VLR iv) PSTN b) Explain why frequency reuse is consi
Fully connected : It is the most powerful interconnection topology. In this every node is directly associated to all other nodes. The limitation of this network is that it needs t
explain types of computer network
Client Server Processes A network application consist of pairs of process that send message to one another over a network. For example in a web application a client
Describe how EIGRP finds its successor and feasible successor?
Question: a) Explain briefly three typical network topologies giving one advantage and one disadvantage of each topology. Explain the three topologies with appropriate diagrams
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