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Transmission Control Protocol - TCP is a connection oriented transport layer protocol with built unreliability. It considers a large block of data and breaks it down into segments. It numbers and sequences every segment so the destination's TCP protocol can re-assemble it back into the original order. TCP uses acknowledgements by sliding windows. It has a large overhead due to build in error checking. The protocol use protocol # 6.
Virtual Private Network ( VPNs) When we use the internet or the risks to the security of our data arise. The solve the security problem a virtual private network used for
Q. Quality of Service - multiplicative decrease? Quality of Service The collective consequence of service performance which determines the degree of satisfaction of a
DNS ID hacking The Dns use ID system in order to keep track of each every request and replies. In order to spoof the DNS’s response, the hacker needs to do ID Hacking. In orde
Write the definition of SAN A SAN is a separate network to handle storage requirements. The SAN detaches storage tasks from specific servers and makes a shared storage facility
Describe Circuit switching, Packet switching and Virtual Circuit Packet switching. Explain their suitability for different applications such as telephone and internet. Packet S
Q. Define Name Space in domain name system? - All names assigned to machines on an internet - Must be unique; either flat or hierarchical - Flat name space - name is assi
Explain Asymmetric encryption
Write the definition of IPX and UDP IPX: Inter-network Packet Exchange supports the transport and network layers of the OSI network model. It provides fast, unreliable, communi
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
This new model of Client/Server having of thin, portable, "universal" clients that talks to superfast servers. In the simple form, a web server returns documents when clients ask f
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