If IPSec provides security at the network layer, why is it that security mechanisms are still needed at layers above IP?

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The first limitation is that it only provides coarse form policy management support, and takes the decision without the knowledge of application context (Arkko and Nikender 2005, p. 242). The policy selector of IPsec is composed of only tuple of source /destination addresses, port number and transport protocol type……
find the cost of your paper

prepare a lead container of mass 1.5 kg and pour 0.65 kg of water into it, both at the room temperature of 20.5°C.

You are at a restaurant eating lunch with a friend. After the meal, your friend realizes they left their wallet at home. Your friend gives you a piece of silver….

Given the above information, how many people did McKinsey and BCG hire in the year 2013?

There are two big consulting firms in Melbourne, McKinsey and Boston Consulting Group (BCG); assume that their clients view them as providing identical consulting services. They hire people on yearly….

write a program that reads a file and displays all of the words in it that are misspelled.

A spell checker can be a helpful tool for people who struggle to spell words correctly. In this exercise, you will write a program that reads a file and displays….