1. The routing table is a key data structure in each host or router. a. Demonstrate the routing table of a host (execute the command for showing the routing table and take a screenshot). Mention the operating system used 2.2 [1 mark] b. Illustrate the structure of a routing table you showed and give a brief description of each column and the meaning of some values shown in each column. Use external references if needed. 2.2 [2 marks] c. Explain any two entries in the routing table you showed. 2.2 [2 marks]