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Describe the OSI model and how it relates to a network in 200 to 300 words. Your response must include answers to the following: On which layers of the OSI model do WAN protocols operate? What are some of these protocols? On which OSI layers do switches and routers operate? If routers reside at more than one layer, what is the difference between the OSI layers?
In second strategy, packets are not acknowledged individually, but the whole file is acknowledged when it arrives. Explain the two approaches.
To avoid having whole network subject to PCI specifications, how will you segment network to reduce scope of compliance?
Suppose a security-aware caching resolver receives DNS RRset at time t0 with signatures on it which expire at time t1 (where t0
Manager would like to add four servers to network so employees can share files. Manager would also like to permit VPN access for her employees so they can work remotely.
Design a switched network to compliment your routed network. Each department will require five switches that will plug into the router cards.
If you have a class B network and want to divide it into subnets, each with 126 hosts, which subnet mask should you use? What are the four addresses (broadcast and network number) for the network starting at 131.204.18?
Provide a network design, a drawing of a solution to address the following: Transferring of videos and music files between computers, Sharing Internet connection, one laser printer, and one photo printer
After choosing unused address from the range given in d for the IP address for a device on the LAN, what would the IP subnet mask and gateway be set to? Explain why these settings would be used.
What are the areas addressed in CBK? Was policy explicitly listed? If not, where do you feel it is addressed in the CBK?
Discuss the functionality of each component and the role the components play in the operation of the network and the Internet.
Assume the file is sent continuously as one big message. How long does it take to send file assuming it is sent continuously.
Assume you are responsible for selecting and maintaining your current employers connection to the Internet. Take some time to research routing protocols
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