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What are gateways?
Gateways give connectivity among two or more network segments. It is usually a computer that runs the gateway software and gives translation services. This translation is a key in allowing dissimilar systems to communicate on the network.
Access Networks and Physical Media Access networks are the physical links(S) that connect an end systems to its edge router. Which is the first router on a path fr
Difference among the communication and transmission. Transmission is a physical movement of information and concern issues like bit polarity, synchronisation, clock etc. Com
Q. Calculate Utilization percentage of the link? - System: Stop and wait ARQ - Bandwidth: 1Mbps - Round trip for one bit: 20ms - Frame length: 1000 bits Utilizatio
Suppose that frames are 1250 bytes long including 25 bytes of overhead. Also assume that ACK frames are 25 bytes long. Calculate the efficiency of stop-and-wait ARQ (a) Transmits a
What is MAN? MAN - Metropolitan Area Networks. MAN is bigger than a LAN and as its name implies, covers the area of a single city. MANs rarely extend beyond 100 KM and frequ
Normally, we think of communications science as dealing with the contemporaneous exchange of information among distant parties. Though, many of the same techniques employed in data
In HTML, a tag shows the browser what to do. When you write an HTML page, you enter tags for lot of reasons -- to change the appearance of text, to show a graphic, or to make a co
QUESTION a) How is an Intranet different from an Internet? b) State the main differences between a router and a switch c) Explain the function of a modem d) Calculate
Briefly write functionalities of different OSI layers? The OSI Reference Model includes seven layers. Basic functionality of each of them is as follows: 1. Physical Layer:
What is the use of a default gateway? Default gateways give means for the local networks to connect to the external network. The default gateway for connecting to the external
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