5. The netmask 255.255.255.240 is equivalent to which CIDR? Explain your answer. a. 127 b. 128 c. /29 d. /30 6. Assuming you are working with a class C IP address, how many subnets exist in the CIDR /29? Show the steps used to obtain your answer. 7. Assuming you are working with a class C IP address, how many valid IP addresses (in a subnet) exist in the CIDR /30? Show the steps used to obtain your answer. 8. Assuming you are working with a class C IP address, the mask 11111111.11111111.11111111.11100000 shows that there are: a. 2 subnets b. 4 subnets c. 8 subnets d. 16 subnets How did you obtain the answer? 9. Fill out the following table with the correct information for a class C IP address. CIDR Mask Number of subnets Numbers of IP addresses per subnet Number of valid IP addresses per subnet 125 126 127 128 129 130