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Unit 3 Assignment 1: A Case Study

Satisfactory Essays

A. Reliable delivery of messages: Internet model uses (ACK or NACK) acknowledgment delivery and other processes to ensure delivery. Creates a session between the source and destination, once the session is created takes care of numbering and sequencing of segments so that after the message is been split by the transport layer, these message needs to transferred to it original status at the destination. Also regulates the data transmitted by keeping track of the session. This provides reliable delivery of message or package to the destination computer. B. Provides multi layered security: Security starts from physical layer from protecting against ARP Cache, intruders, vandals and thieves. Physical security is provided based on the needs, maintenance

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