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What is Error Detection? What are its methods?
Data can be corrupted during transmission. For reliable communication errors must be deducted and corrected. Error Detection uses the method of redundancy, which means adding extra bits for detecting errors at the destination. The common Error Detection process are
a. Vertical Redundancy Check (VRC)
b. Longitudinal Redundancy Check (VRC)
c. Cyclic Redundancy Check (VRC)
d. Checksum
What is DHCP? DHCP is short for Dynamic Host Configuration Protocol. Its major task is to automatically assign an IP address to devices across the network. It first checks for
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
What is Security solutions Though there are a number of security solutions available due to sophistication in technology, there are a number of risks and difficulties attached
Verify Passwords Step 1 : Telnet to the router from Host2 and verify the Telnet password. You should be able to telnet to either Fast Ethernet interface of the router. I
Method to change Decimal to Binary?
what is logical ring maintenance and how does it work>?
ATM designers select cells over packets because of the following facts: Cells are fixed length and memory management for them is easy. Handling variable length packets tends
can we solve the problem using bounded buffer space if the propagation delay is arbitrarily large ?
Why it is necessary to have layering in a network? A computer network is a very complex system. It becomes very difficult to execute as a single entity. The layered approach di
User Datagram Protocol - UDP is a connectionless oriented transport protocol for use when the upper layers give error-recovery and reliability. UDP does not series data or re-assem
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