Question: Netcom has four branch offices connected on two routers to the headquarter office. Two different routing protocols run on the routers along with additional IP

Netcom has four branch offices connected on two routers to the headquarter office. Two different routing protocols run on the routers along with additional IP services such as NAT.

What are the top two network-related factors that should be kept in mind while selecting routers for this network and why?

Thediagramdepicts a suggested Netcom's network. The headquarter office has two routers. Each router (Router 1, Router 2) is connected to four other routers that are located in different cities.

Router A1 and Router B1 are in New York

Router A2 and Router B2 are in San Jose

Router A3 and Router B3 are in Detroit

Router A4 and Router B4 are in Chicago.

A routing protocolhigh-level data link control (HDLC)runs between all the five routers.

The network requirement is 100% redundancy.

Does the network meet this requirement? Why or why not? Make sure to discuss the redundancy issue.

What change will you carry out, if required? Provide rationale for the aspect and modification needed to make the network redundant, if you needed.

The network displayed shows a stacking device at each location. What is the importance of this stacking device? A good example of a stacking device is Cisco Catalyst 3850.

The head office of Netcom was using static routing in the past but now has to run two routing protocols for its two new branch offices. The head office is connected to the branch offices through leased lines on the same router, and its VLANs are subnetted from 172.22.0.0/20. Imagine yourself as the network administrator at the head office.

Which routing protocol would you use, classful or classless, and why?

Netcom includes several VLANs in its LAN. To perform inter-VLAN routing, the organization's network administrator suggests using an external router and an Ethernet port on the router of every VLAN. It realizes the high costs involved in implementing this solution and asks the administrator for an alternate solution. The administrator now suggests Layer 3 switching.

How will Layer 3 switching help address the issue of cost?

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