Answer:
To be able to test a product if it can withstand what it is supposed to before being released to the public for saftey reasons.
The answer is : many-to-many address mapping between local and global addresses. <span> A technician is required to configure an edge router to use a different tcp port number for each session with a server on the internet.</span>The type of network address translation to be implemented is <span>a many-to-many address mapping between local and global addresses. </span>