You have a router that is connected to networks 192.168.0.0/24, 192.168.1.0/24, 192.168.2.0./24, and 192.168.3.0. What is the appropriate CIDR notation to summarize or supernet those routes?
a. 192.168.0.0/22
b. 192.168.4.0/22
c. 192.168.4.0.26
d. 192.168.0.0/26