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The purpose of internetworking is universal service across heterogeneous networks. To give this service all computers, and routers have to agree to forward information from a source on one network to a specified receiver. The task is complicated as frame formats and addressing procedures may differ. The key of achieving universal service is universal protocol software (TCP/IP).
A virtual network is given in the figure that TCP/IP software gives to users and applications.
Selective Repeat ARQ - Processing at the receiver additionally complex - The window size is reduced to 2(m-1) (2m/2 at most) - Both the transmitter as well as the receiv
Determine the task which should intranet require Intranet to work smoothly, the following tasks should be properly synchronised: All computers connected together in a n
What is a Web server? This new model of Client/Server having of thin, portable, "universal" clients that talk to super fat servers. In the easiest form, a web server returns do
5. Suppose that frames are 1250 bytes long including 25 bytes of overhead. Also assume that ACK frame are 25 bytes long. Calculate the efficiency of Stop-and-Wait ARQ in a system t
Initialization Imagine that all routers in our sample internetwork comes up at the same time. Each router sends a greeting packet to its neighbours to find out the sta
Question 1 Explain FDM and TDM with example Question 2 Define B-ISDN and explain its services Question 3 What is symmetric key cryptography? Describe one symmetric
State in brief about the Local Area Network (LAN) LAN is an interconnection of computers and associated peripherals as well as to the communications system as shown in Figure
802.11 Architecture ESS (Extended service set) two or more BSSs with APs connected through a distribution system (wired LAN) in an infrastructure network
What is the difference between a JDK and a JVM? JDK is Java Development Kit which is for development purpose and it contains execution environment also. But JVM is purely a
Can you tell how actually NAT works?
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