3 Use sum of powers of 2, AND methods to find the first network adress in a block, find the number of adresses in a block and find the last adress in the block using calculation in base 256, mask remaider methods. Show calculations. 1. 25.115.200.0/25 2. 100.25.64.0/27 3. 50.90.32.0/26 4. 192.168.128.0/13 5. 200.45.32.0/30 6. 250.200.64.0/17 7 168 25 128.0/22 25 Which statement best characterizes the nature of regulatory approaches applied to the Internet versus traditional telecommunications networks? A. The Internet and telecom networks are regulated in the same manner because alt are operated over licensed physical and wireless transport infrastructure B. The US Federal Communications Commission regulates the Internet through e Open Internet (net neutrality) rules just as it regulates the telecommunications and cable television companies C. Internet access services are regulated in different ways by different national regulators, but the operation of O the core Internet backbone connections and associated services are operated according to policies set largely by commercial entities. Telecommunications companies are regulated by national regulators with a backstop international treaty established through the UN International Telecommunications Union D. Internet services are completely unregulated, with rules established in the marketplace, whereas telecommunications companies are regulated by national regulators with a backstop international treaty established through the UN International Telecommunications Union