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Define Character Stuffing?
In byte stuffing (or character stuffing), a particular byte is added to the data section of the frame when there is a character with the same pattern as the flag. The data section is stuffed with an extra byte. This byte is usually known as the escape character (ESC), which has a predefined bit pattern. Whenever the receiver encounters the ESC character, it deletes it from the data section and treats the next character as data, not a delimiting flag.
Explain ISO's OSI Architecture The Open System Interconnection (OSI) is a standard reference model for communication among two end users in a network. It is used in developing
Round Trip Time (RTT) and Time Out The size and the complexity of computer networks have grown in past years. To achieve an efficient and reliable transmission some
Question: (a) Distinguish between Flow Control and Congestion Control. (b) Explain clearly how a URL is resolved by a computer. (c) List one application that uses TCP
802.11g OFDM a) Uses OFDM with same 2.4 GHz band b) Achieves a 54-Mbps data rate c) Works with same 802.11b equipment
Two neighbouring nodes (A and B) use a Go-Back-N protocol with a 3-bit sequence number and a window size of 4. Acknowledgments are cumulative. Assuming A is transmitting and B is r
Q. Define the Backbone Networks? Backbone Networks - Allows several LANs to be connected - Non of station is directly connected to the backbone - Stations are part
FAULT TREE CONSTRUCTION RULES (a) Define the undesired fault condition as the "Top" event. The fault event describes the state of either the system or a component. (b
The entire idea of ISDN is to digitize the telephone network to allow the transmission of video, audio and text over existing telephone lines. The reason of the ISDN is to provide
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
A logic gate drives a load, which has a resistance of 1 kÙ and a capacitance of 20 pF. The printed circuit track connecting the gate to its load has an 40 pF capacitance to ground.
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