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Computer Networks
1. Write about different network structures in use.
2. Explain the architecture and usage of ISDN.
3. Describe the concept of framing in Data Link Layer and its importance in data communication.
4. Differentiate Noisy and Noiseless channels in Data Communication.
5. Elucidate Connection states and POP3 commands and responses.
6. Elaborate the two modes of IP Security.
Difference among the communication and transmission? Transmission is a physical movement of information and concern issues as bit polarity, synchronization, clock etc. Commu
Can you describe passive and active route states?
Concept of connection between the PC and the cable modem Even if downstream channel works at 27 Mbps, user interface is nearly always 10-Mbps Ethernet. There is no way to get b
Subscriber Database Core network also hosts the subscribers database ( for e, g HLR in GSM systems). Subscriber database is accessed by core network nodes fro funct
Q. Explain about Nonboundary-Level Masking? Nonboundary-Level Masking Bytes in the IP address that correspond to 255 in the mask will be repeated in the subnet addres
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
Q. Define RS232 Interface? - Indicates the interface between DTE and DCE: V.28 mechanical as well as electrical characteristics V.24: functional as well as procedur
User Datagram Protocol - UDP is a connectionless oriented transport protocol for use when the upper layers give error-recovery and reliability. UDP does not sequence data or re-ass
The Address Resolution Protocol (ARP) sends out a broadcast to verify the MAC address from the IP address.
Describe unbound transmission media. Unbound transmission media are the media of transmitting data without using any cables. These are not bounded by any physical geography. Ex
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