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1) In OSPF, what is a designated router? How is the designated router selected from all routers connected to a particular Ethernet subnet? 2) My IP address is 89

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1) In OSPF, what is a designated router? How is the designated router selected from all routers connected to a particular Ethernet subnet? 2) My IP address is 89.72.29.13 and submit mask is 255.255.248.0. How many assignable IP addresses are in my subnet? What are the lowest and highest assignable IP addresses in my subet? 3) In Multi-Area OSPF networks, what is the difference between a “Backbone Router” and an “Internal Router” 4) 6) Router R1 is running EIGPR with auto-summary enabled. R1 has 2 routes in its routing table – they are 130.5.9.0/24 and 130.5.10.0/24. Now R1 sends an EIGRP update out to an interface whose IP is 29.12.44.6. What is the summarized IP route that R1 will send out for these 2 routes? Specify both the numerical IP network address and the prefix length (/n) for this summarized route. 7) I am in interface Fa0/0 configuration mode on router R9 and I execute the command ipospf priority 0. This sets the OSPF priority to 0 for interface Fa0/0. Why would I do this? 8) Router R6 is running OSPF. On R6, I set Loopback0 interface IP address to 6.6.6.6/32 and in R6 OSPF router configuration mode, I enter router-id 5.5.5.5. What IP address value will router R6 use as its OSPF router ID? 9) 10) My PC has just powered up on an IPv6 subnet. My PC receives a Router Advertisement message with A flag = 0, O flag = 0, and M flag = 1 What actions will my PC take to determine its 128-bit Global IPv6 address? 11) How does the Diffusing Update Algorithm determine whether a path to a destination IP subnet is loop-free (feasible) or not? 12) Under what conditions would an IPv6 host send out a Neighbor Advertisement message? 13)