Refer to the exhibit.
The router has been configured with a supernet to accommodate the requirement for 380 users on a subnet. The requirement already considers 30% future growth.
Which configuration verifies the IP subnet on router R4?
A.Subnet: 10.7.54.0正确答案B
Subnet mask: 255.255 254.0
Broadcast address: 10.7.54.255
Usable IP address range: 10.7.54.1 – 10.7.55.254 B.Subnet: 10.7.54.0
Subnet mask: 255.255.254.0
Broadcast address: 10.7.55.255
Usable IP address range: 10.7.54.1 – 10.7.55.254 C.Subnet: 10.7.54.0
Subnet mask: 255.255.128.0
Broadcast address: 10.7.55.255
Usable IP address range: 10.7.54.1 – 10.7.55.254 D.Subnet: 10.7.54.0
Subnet mask: 255.255.255.0
Broadcast address: 10.7.54.255
Usable IP address range: 10.7.54.1 – 10.7.55.254