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Q. Show the Error control in TCP?
Error control in TCP
Detect lost segments, out-of-order segments, corrupted segments and duplicated segments
Three tools:
- no NACKs
- One time-out counter for every segment sent
Determine about the proxy servers There are proxy servers that act as good firewall protection for the entire Intranet system. In some cases, firewall comes as a separate serv
What are the drawbacks of wireless devices One drawback is security. Every random delivery man who happens to be in building can listen on network. Another weakness is reliabil
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
Overhead SONET overhead is not added as headers or trailers as we have seen in other protocols. Instead SONET insert overhead at a variety of location in middle of the f
The diagram below offers an overall view on the methods use by both the OSI and TCP/IP model. ISO Approach - Occasionally called Horizontal Approach - OSI asse
What are the benefits of using subneting?
What is OSPF? It is an Internet routing protocol that scales well, can route traffic with multiple paths, and uses knowledge of an Internet's topology to make precise routing de
What are some drawbacks of implementing a ring topology? In case one workstation on the network varies a malfunction, it can bring down the whole network. Another drawback is t
TCP/IP protocols are managed into five basic layers. Although some layers of the TCP/IP reference model related to layers of the ISO reference model, the ISO layers procedure does
Question : a) In your view, what are the top three strengths and weaknesses of wireless systems? Rank them in order of priority. What can be done to address the weaknesses?
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