Answer:
The correct answer is PPTP.
Explanation:
PPTP is the protocol that is used to create a connection which is referred to as tunnel and it transports data between two systems over the internet while also securing it with encryption. I hope this answer helps.
Answer:
The post condition is simply a statement expressing what work has been accomplished by the function. This work might involve reading or writing data, changing the values of variable parameters, or other actions.
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I have annotated the errors in the picture.
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<em>Hope this helps :)</em>
