Reference no: EM13175988
Question 1
Refer to Figure 1 below, all routers are running RIPv1. The interfaces on all routers are up and stable. Users on the 10.16.1.0 network cannot access services on the 10.16.1.64 network. What is the cause of this problem?
Question 2
You are the IT manager of a medium sized company. One of your tasks is to ensure that
• all hosts within the Toowoomba Branch can talk to each other;
• all hosts within the Fraser Coast Branch can talk to each other;
• and hosts in one branch can talk to all hosts in another branch.
a) What is the appropriate network configuration for Host A?
b) What would the routing table in router F look like?
c) Can we replace Switch D and Switch G with two hubs?
d) In one meeting, your boss made the following comment:
"WAN link is much slower than LAN links. So we should not use routers. The LANs for the two branches should be linked together with an Ethernet cable to form a larger LAN. In which case the speed is much faster and the company does not have to pay subscription fees to any ISP."
What can you say in response to this comment? You should put your answer in point form and the total length of your comment should be less than a page.
Question 3
a) We can specify the OSPF metric using the commands: (3 Marks) Command 1: Router(config-if)# ip ospf cost 1562 Command 2: Router(config-if)# bandwidth 64 Explain why Command 1 is preferred over Command 2.
b) What are the criteria used when electing Designated Routers (DR) and Backup Designated Routers (BDR)?
c). The output of command show ip eigrp topology is shown below:
P 192.168.10.4/30, 1 successors, FD is 3523840
via 192.168.10.10 (3523840/2169856), Serial0/0/1 via 172.16.3.1 (41024000/2169856), Serial0/0/0
From the output, explain if there is a feasible successor or not.
d) What is the use of reference bandwidth in OSPF? Why do we need to change the reference bandwidth when we use 10Gbps connections?
e). The minimum delay between Ethernet frames is 9.6microseconds. What is the maximum number of Ethernet frames can be transmitted per second?
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