Question 6 Even with careful project planning, project cost estimates can still be inaccurate, especially IT projects. Why do you think that is? Describe four reasons for these inaccuracies. Your response should be at least 75 words in length. You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations. Question 11 Networking is the act of creating professional relationships. It is often thought of as a connection device. Almost anyone you know could be part of your network. Give five examples of ways that you can expand your professional network list. Your response should be at least 200 words in length. You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations. Question 12 A job search portfolio is a collection of paperwork used for job searches and interviews. The items in the portfolio should always be structured in a way that is portrayed as organized and protected. Select five items that are important to include in the job search portfolio and explain the significance of each. Explain each in detail. Your response should be at least 200 words in length. You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations.