What does the following comment refer to: “NAT destroys the ability to do host-to-host communication over the Internet”?
What will be an ideal response?
NAT destroys the ability to do host-to-host communication, because NAT allows more than one host to share a single IP address, hence, the IP addresses can no longer uniquely identify a host in the Internet now. Also a host in the public network will not be able to initiate a communication with a host behind a NAT device, further more two hosts in two different “NATed” private networks will not be able to communicate with each other.
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Which of the following statements is false?
a. Function range’s one-argument version produces a sequence of consecutive integers from 0 up to, but not including, the argument’s value. b. The following snippet produces the sequence 5 6 7 8 9. for number in range(5, 10): print(number, end=' ') c. The following snippet produces the sequence 0 2 4 6 8. for number in range(0, 10, 2): print(number, end=' ') d. The following snippet produces the sequence 10 8 6 4 2 0. for number in range(10, 0, -2): print(number, end=' ')
This type of loop provides a convenient mechanism to iterate through every element of an array.
(a) for each (b) for (c) do while (d) while
The path that a ball takes after being thrown, is a curve called a ____.
A. parabola B. rhombus C. rotation D. perimeter
Evaluate the necessity of including each of the four elements of an analysis model.
What will be an ideal response?