00 00 M Search res Google Co A D C Drive + New lol L XE My Drive Computers Shared with me Recent Starred Trash Storage 9.36 GB of 15 GB used Buy storage CO 1 2 3 4 IT PMP X Compiler CP cPanel Lo CP cPanel Lo CP cPanel Lo Google Ke Top 5 Scre Best Coun drive.google.com/drive/u/0/folders/1roFfFFtNVdxUNNEhNN-npGVUoaQy3Xvv QUESTION 3 (10 MARKS) a) A network diagram is an important scheduling tool that graphically portrays the logical relationship and sequencing of activities and events on a project. M 2 | Page Task Immediately Preceding Activity A B - D A E B F B G H D | G J F, H, I Based on the information in the table above, draw an Activity-on-Arrow network diagram to depict the logical relationships among the activities of the project. (6 marks) b) One of the logical rules on a network diagram states that "No two activities may share the same 'head' and 'tail' events". Explain why this is the case and STATE ANA EN Course: IT C Chegg Sea + A 0 : ess 21:28 OJECT NAGEMENT -SEMESTER MS_2022.pdf Activity UNICATION TECHNOLOGY UNIVERSITY (GCTU) COMPUTING AND INFORMATION SYSTEMS MENT OF INFORMATION TECHNOLOGY GCTU ER EXAMINATIONS-2022 ACADEMIC YEAR Sc. INFORMATION TECHNOLOGY FORMATION TECHNOLOGY (TOP UP) ccess M RG x G X 31 C