... _________________________________ Class: _____________ CCNA1 SKILL BASED EXAMINATION Duration: 70 minutesNo documents allowedConfiguration requirements: (8 marks) 1. Calculating the subnet addressing for ... on R1, R2, R3 and R4 by using the static routing protocol.Challenge questions: (2 marks) 1 Number 1 ... the second usable host address for PC1 and the last usable host address for PC2.3. Perform Basic Router Configurations all Routers.4. Enable routing on R1, R2, R3 and R4 by using the static...