Please solve it with the detailed reason why you choose the answer

Answer ALL questions in a SINGLE document file, Include all solution details to receive the total mark for correctly answered questions. 1. Which class does the IP address 172.16.1.20 belongs to? - Class A - Class B - Class C - None of the Above 2. Which of the following is the private IP address? - 13.1.1.1 - 168.172.4.192 - 192.186.1.1 - 192.168.23.42 3. To which Class the IP "236.128.192.142* belongs? - Class A - Class B - Class C - Class D - Class E 4. Given the IP address 152.16,168.196/28, is the IP address 162.16.168.30 in the same network. - YES - NO 5. An IP address is divided into what two parts? - Physical and logical - Network and subret - Network and host - Network and gateway 6. The loopbackIP address is ? - 192.168.1.1 - 127.0.0.1 - 10.10.10.10 - 255.255.255.255 7. Identify invalid IP addresses, highlight the portion of the IP address that would be invalid if it were assigned to a host, and then explain why it is invalid. - 131.107.256.80 - 222.222.255.222 - 231.200.1.1 - 126.1.0.0 - 0.127.4.100 - 190.7.2.0 - 127.1.1.1 - 198.121.254.255 - 255.255.255.255