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Virtual Private Network (VPN) adds the features of both public and private networks. It is fixed to single organization and needs public network for connectivity.
These connections are sometimes known tunnels and connect sites. Every site sees tunnel as point-to-point link. There is no access for other clients of public networks.
GUARANTEEING ABSOLUTE PRIVACY:
In addition to restricting data packets, VPN machines use encryption to sure absolute privacy. Even if an outside does manage to retain a copy of the data packet the outside will be unable to interpret the message.
(a) Explain how a CDMA system works? (b) Explain howWelsh-Hadamard codes are generated. Explain why orthogonality between different spreading codes is important. (c) Consider
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The purpose of internetworking is universal service across heterogeneous networks. To give this service all computers, and routers have to agree to forward information from a sourc
Q. Categories of Encryption - Decryption ? Categories of Encryption/Decryption - Symmetric-key - encryption key (Ke) and the decryption key (Kd) are the same and secret
Receipt of Acknowledgment In our GBN protocols an acknowledgment for packet with sequence number will be taken to be accumulative acknowledgment indicating that all packe
What is silly window syndrome? It is a difficulty that can ruin TCP performance. This problem happens when data are passed to the sending TCP entity in large blocks, but an int
Perform Basic Switch Configurations Step 1: Cable a network that is similar to the one in the topology diagram. You can use any current switch in your lab as long as it has
Classification according to level of processing According to this categorization computer operations are classified like arithmetic operations and instruction execution. Subseq
study on FTP
Hyper Cube A Hypercube interconnection network is increament of cube network. Hypercube interconnection network for n ≥ 3, can be distinct recursively as follow: For n = 3,
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