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What is CRC and Checksum
CRC (Cyclic redudancy check)
CRC, is the most powerful of the redundancy checking methods, is based on binary division.
Checksum
Checksum is used by the higher layer protocols (TCP/IP) for error detection
What is the major issue with hop count metric issue
What is the difference between a hub and a switch? A hub acts as a multiport repeater. Though, as more and more devices connect to it, it would not be able to efficiently manag
Time out The protocols name Go Back N is derived from the sender behaviour in the presence of lost or overly delayed packets. A timer will again be used to recover
I need to know what comes under this topic...I need to give a presentation speech for 10 minutes duration.
CAUSES OF FAILURES Every failure has a well-defined cause. Any system or device has an inherent strength or capacity to resist failures. This depends on design, material, man
Network Criteria - Performance - It is able to be measured by transit time and response time. Affected by type of medium, number of users and connected HW/SW - Reliability
FIBER OPTIC EXTENSION: The LAN extension using fiber optic is given in the figure below: Figure The fiber-modem translates digital data into pulses of light the
Local information is immediate hop routing table and distance from every switch. The switches regularly broadcast topology information i.e. distance, destination. Other switches mo
In quantum computing, we use the method of qubits, superposition and coherence. A normal bit can be in only two states - 0 and 1. But a qubit it can be in 0, 1, or in the superposi
Q. Example on Multiplicative Decrease? w = 1 for (each new ACK received) w = w+1 until (loss detected or w >= ssthresh) Not so slow - Exponential increase
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