QUESTION 23Which dotted decimal address below indicates a Class B IPv4 address with 7 bits borrowed that has host 100001010 on subnet 1000101?172.20.28.20172.20.39.20172.20.28.10O 172.20.39.10

To determine the correct dotted decimal address that indicates a Class B IPv4 address with 7 bits borrowed and the specified host and subnet values, we need to perform subnetting calculations.Class B IPv4 address: The first octet of a Class B address ranges from 128 to 191. The given options all have the first octet as 172, which falls within the range of a Class B address.7 bits borrowed: When 7 bits are borrowed for subnetting, the subnet mask will have 7 ones (1s) in the binary representation of the fourth octet. The binary representation of 7 ones is 1111111, which is equal to 127 in decimal.Host 10000 10 10: The given host is represented as 10000 10 10. To convert it to decimal, we have:The first octet: 10000 (16 in decimal)The second octet: 10 (10 in decimal)The third octet: 10 (10 in decimal)The fourth octet: This is the subnet part, not the host part. It will be determined by the subnet information.Subnet 1000 10 1: The given subnet is represented as 1000 10 1. To convert it to decimal, we have:The first octet: 1000 (8 in decimal)The second octet: 10 (10 in decimal)The third octet: 1 (1 in decimal)The fourth octet: This is the remaining part for the host, not the subnet part. It will be determined by the subnet mask.a) 172 . 20 . 28 . 20: This option does not have the correct subnet value (1000 10 1). It is incorrect.b) 172 . 20 . 39 . 20: This option does not have the correct subnet value (1000 10 1). It is incorrect.c) 172 . 20 . 28 . 10: This option has the correct subnet value (1000 10 1) and the correct host value (10000 10 10). It is a potential correct option.d) 172 . 20 . 39 . 10: This option does not have the correct subnet value (1000 10 1). It is incorrect.Based on the analysis, the correct option is c) 172 . 20 . 28 . 10. This option has the appropriate subnet value (1000 10 1) and the specified host value (10000 10 10). The other options do not match the given subnet and host values.