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Question: (a) Describe the importance of backups and the use of antivirus software. (b) With the help of an example/ illustration, explain the term encryption and explain
Q. Show the Congestion control in TCP? Congestion control in TCP TCP assumes that the cause of lost segment is due to congestion in the network Retransmission of
FCS= Frame Check Sequence CRC (Cyclic Redundancy Check) algorithm runs in switch that known as FCS (Frame Check Sequence)
How to prevent the data from hackers In order to prevent intruders from entering the house, it is necessary for the house owner to look after the behaviour of internal and exte
what is the differnce between noise and distortion
Multicast An identifier for a set of interfaces (typically belonging to dissimilar nodes). A packet sent to a multicast address is delivered to all interfaces identified by tha
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
What are the important topologies for networks? BUS topology: In this every computer is directly linked to primary network cable in a single line. Advantages: Inexpensive,
can we correct errors using crc?
Q. Show the Class D and Class E Addresses? Class D and Class E Addresses Class D - reserved for multicast addresses Multicasting - transmission method which allo
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