1. Design an Ethernet network to connect a single client PC to a single server.
ID: 3871572 • Letter: 1
Question
1. Design an Ethernet network to connect a single client PC to a single server. Both the client and the server will connect to their respective workgroup switches via UTP. Their workgroup switches are connected directly by a trunk link. The two switches are 1,700 meters apart. They need to communicate at 500 Mbps. Your design should specify the transmission link between the switches.
2. Add to your design in the previous question. Add another client next to the first client. This client will also communicate with the server and need only 100 Mbps in transmission speed. Again, your design should specify the locations of switches and the transmission link between the switches.
3. What are the advantages for using power over Ethernet (POE)?
4. What are the potential risks to users with using powered switch ports?
5. How do you think the above risks can be avoided in the POE Plus standard?
6. What primary differences are there between managed and unmanaged switches?
7. In what instances would it make sense to use an unmanaged switch?
8. What is the best means for mitigating the single points for failure on an Ethernet network?
9. Give two business-use examples for each fiber types.
10. When implementing SNMP for managed switches, what security planning principle must be considered?
Explanation / Answer
3)What are the advantages for using power over Ethernet (POE)?
Answer:
advantages for using power over Ethernet (POE):
A main advantage of PoE is that it allows Ethernet cables to simultaneously transmit dataand power though one cable. PoE also eliminates the expenses of costly installation andthe need of hiring an electric installer.
4. What are the potential risks to users with using powered switch ports?
Answer:
Filtering can be a big issue, and protecting from network induced power problems. Forexample, a lightning strike at can send an impulse through the power system ruiningmillions of dollars of hardware.
5. How do you think the above risks can be avoided in the POE Plus standard?
Answer:
To protect the hardware from such a problem, good engineering design is required. Not just people that understand architecture but those who understand risks and riskmitigation.
6. What primary differences are there between managed and unmanaged switches?
Answer:
Managed switches come with configured interfaces while unmanaged switches do not.Managed switches interfaces can be modified and control the switch operation.
Managed switches have configuration interface and unmanaged switches do not.WithManaged switches the interface can be modified and manage the switch operation.Unmanagedswitches are plug and play because it does not have modifiable interface.
7. In what instances would it make sense to use an unmanaged switch?-
Answer:
An unmanaged switch useful when there is no traffic to control.Managed switches canbe costly so if the budget does not allow unmanaged switch would be the choice.
8. What is the best means for mitigating the single points for failure on an Ethernet network?-
Answer:
To deal with single points of failure is to install backup links.This adds redundancy tothe network and increases reliability.
9. Give two business-use examples for each fiber types
Answer:
- Single mode fiber optic- Long distance telecommunication applications requiring higher bandwidth- Multimode fiber optic- Short distance (usually within single building) for data and audio/videoapplications in LAN.
10. When implementing SNMP for managed switches, what security planning principle must beconsidered?
Answer:
->Choosing a good SNMP Community String-
->Setting up SNMP View
-> SNMP community with access-list
-> ACL on interfaces
-> Security planning:Least permissions in access control principle must be considered becausethe SNMP allows the manager to contact the agents for individual managed devices. Manageableswitches cost significantly more than unmanaged switches, but the reduction in managementlabor costs makes SNMP-compliant switches mandatory in large networks
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