Group Activity 1 CSC305: Data Communications and Networks consider the following stream of bits: 01000011011111. Represent this using the following me encoding techniques: NRZ. NRZ-L. NRZ-I, RZ. Manchester. Differential Manchester Pseudotemary, 2B1Q (assuming negative original level). Class Activity 1 Answer the below questions after reading the attached case study Cyberwar: MAD 2.0. Submit your answer through backboard before 2:40 (January 7, 2020). 1. How is the original MAD doctrine different from MAD 2.0? 2. What is the difference between cyberwar and cyberespionage? 3. Why has cyberwar become potentially more devastating in the past decade? 4. How is a cyberattacks against critical infrastructure differ from those of against information systems? 5. What damage can be done by cyberweapons like Stuxnet