15. How does a host obtain its IP address through DHCPor ARP?
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16. How are ping and tracepath implemented?
17. How does the count-to-in nity problem occur inRIP?
18. RIP vs. OSPF? (Compare their network stateinormation and route computation.)
19. Distance vector routing vs. link state routing?(Compare their routing message complexity,computation complexity, speed o convergence,and scalability.)