Case Project 10-1 You have been hired to consult with a large, local history mus
ID: 3693413 • Letter: C
Question
Case Project 10-1
You have been hired to consult with a large, local history museum and suggest
improvements to update its LAN. The museum’s staff of 35 full-time and
8 part-time employees hasn’t had time to pay attention to the network, which
was set up four years ago by another consultant. Currently, the LAN consists
of 30 desktop PCs, 8 laptops, and some peripherals, such as printers. Employees
use their laptops at home as well as at the museum, so they have been configured
for use with a dial-up Internet connection. At the museum, a router
connects the LAN to a local ISP through a T3 link. Connected to the router
are five switches positioned at different locations around the building. Each
network client connects to its nearest switch. Every client is assigned a static
IP address based on the group of addresses the museum leases from its ISP.
Not surprisingly, staff have reported frustrations with maintaining this setup
and worry about whether it will allow them to increase the size of their network.
What steps do you take to simplify the museum’s client IP assignment
process? What measures will help conserve IP addresses as the museum
grows? Draw a simple network diagram that includes the museum’s LAN clients,
its existing connection to the Internet, and all necessary connectivity
hardware to implement your suggestions.
Case Project 10-2
Now that you have satisfactorily implemented IP addressing changes on the
museum’s network, the director asks you to help choose new mail server and
client software that will be used by all employees. Because some museum
employees travel frequently, the mail system must allow them to keep messages
on the mail server indefinitely. What protocols would your recommended mail
system support or require? On the network diagram you drew in Case Project
10-1, add a mail server at the location you think best. On this mail server,
what ports must be available to clients in order for them to pick up their mail,
given the protocol (or protocols) used by the mail system? (If you have forgotten
significant port assignments, you can find them in Table 4-3.)
Case Project 10-3
Months later, the museum director calls you to help troubleshoot a network
problem. Their network is experiencing such heavy traffic that performance
across the LAN is suffering. They suspect that one device is issuing a barrage
of requests, perhaps due to a software application malfunctioning, a security
breach, or a virus. However, they are unable to identify the problem node.
Using your knowledge of TCP/IP utilities, what command(s) would you use to
identify the troublesome computer’s IP address and host name? What single
command would give you the most information about where traffic is slowing?
I only need answers for case 10-3 as that is my task. The answer/s should be elaborate and explore options as this should be made into a paper and presentation. Thanks for your help in advance. Case is from book Network+ Guide to networks (5th Edition)
Explanation / Answer
Physical connections are an oft-overlooked common culprit. Check all wireless access point (AP) or wireless router ports to ensure thatEthernet cables are inserted tightly and link status LEDs are green at both ends. If not:
t might seem obvious, but it's important to ensure the client's Wi-Fi adapter used for network troubleshooting is enabled and ready to connect.