Answer:
The two wildcard masks that are required in an extended access list entry that blocks the traffic from network 192.168.20.0/26 to network 172.16.32.0/28 is 0.0.0.63 and 0.0.0.15
Explanation:
To identify the wild cards simply look slash number. Regardless of the netmask number, the corresponding wildcard mask for the slash /26 and /28 are 0.0.0.63 and 0.0.0.15.
