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Problem
1. Explain the term Switching. Describe the following Switching Mechanisms
a) Circuit Switchingb) Packet Switchingc) Message Switching
2. Define the terms Error Detection and Correction with respect to Data Transmission. Also explain the following concepts with respect to Error Detection and Correction
a) Parity Bitsb) Single Bit Error Correction Techniques
Q. Explain the Public-Key Cryptography? Public-Key Cryptography - Each user has the same encryption algorithm and key - Decryption algorithm also key are kept secret
Q. What are the basic key functions of data link layer? Ans: Data link layer transfers data in a structured and reliable manner so that the service given by the physical layer
DNS cache poisoning The DNA cache poisoning generally refers to the process of maintaining or developing the false information, in the cache of DNS server. This process refers
Explain Client/Server Networking Model. A networking model where one or more powerful computers (servers) give the dissimilar network services and all other user's computers (
DVMRP • Distance vector multicast routing protocol: Distance vector multicast routing protocol are abbreviated as DVMRP. These protocols are suitable for small networks which
PING - Packet Internet Gopher A utility that shows connections to one or more remote hosts. The ping command uses the ICMP echo request and echo reply packets to verify whether
Can you define what is classful IP addressing?
Store-and-forward switch The layer 2 switch accepts a frame on an input line, buffers it briefly, and then routes it to the appropriate output line. Cut-through switch
At the minimum level most networks sends individual packets of data and the network needs each packet to follow an exact format dictated by the hardware, which is known service par
how does the near/far effects infulence TDMA system?what happen CDMA system? what are countermeasures in TDMA system/
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