Paul Baran proposed two groundbreaking design ideas for the structure and behavior of the ARPANet. Describe these design ideas and the benefits they provide.

What will be an ideal response?

The first of Baran’s ideas adopted for the ARPANet was that of a distributed network, where control is distributed across a large number of machines. This allows for messages to be rerouted along alternate connections when a particular computer or connection fails. Baran’s other idea central to the ARPANet architecture was that of packet-switching, where messages to be sent over the network are first broken into small pieces and then sent independently to their final destination. Advantages of this approach include a more efficient use of the connections, the ability to react to failures and congestion, and improved reliability.

Computer Science & Information Technology

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Based on the grading scale below, what is the most efficient way of determining a grade?• A if the grade percentage is greater than or equal to 90• B if it's greater than or equal to 80 and less than 90• C if it's greater than or equal to 70 and less than 80• D if it's greater than or equal to 60 and less than 70• F if the grade percentage is less than 60

A. Test each condition separately. B. Test the score for a value between 80 and 90 only if the first condition is false. C. Test to see whether the percentage is 90 or higher. D. Test to see whether the percentage is less than 60.

Computer Science & Information Technology

Process models are particularly well suited to account for RT type results.

Indicate whether the statement is true or false.

Computer Science & Information Technology