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1. Compare WAN's and LAN's! What are the similarities, what are the differences? What special considerations must you remember when planning a WAN?
2. Also, describe what a network OS must do. What are some of the more popular network OS's used today?
Outline the design of a wireless network to support user mobility over a wide area. Include in your answer a discussion of addressing, routing and the used of fixed versus ad hoc network access nodes or base stations.
Explain networking concepts by using OSI Model as framework. Explain protocols at different layers of the OSI model and describe their functionality.
Describe in scholarly detail status of 3G and 4G network technologies and even challenge yourself to find out any research on future of 5G technology.
Assume you have been hired through a big restaurant called Habibi's. Habibi's has a small network of 20 consumer workstations and a Windows Server 2003.
Application layer protocols such as HTTP, FTP, SMTP, DNS, and P2P networks. Pick up one protocol that you are familiar with and write a brief overview using your own words.
Using Ethernet Network Interface Cards or NICs, diagram simplest connection between two computers which will allow for communications and resource sharing.
Derive a sequential circuit with two inputs (S1 and S2) and one output (z) using D flip flops that will output z=1 if a S1=S2=0 is input, then a S1=S2=1 is input, then a S1=S2=0 is input.
Assume two hosts, A and B, are separated by 20,000 kilometers and are connected by direct link of R = 1 Mbps. Determine the bandwidth-delay product, R * Tprop?
Suppose you are working for a small business that has outgrown its existing building. What technology will you recommend to internetwork the two buildings?
Two CSMA/CD stations are each attempting to transmit long (multiframe) files. After each frame is sent, they contend for channel using binary exponential backoff algorithm.
Determine the expected time to find all users' passwords using dictionary attack? suppose that eight more characters were added to password and that DES algorithm was changed so as to use all 16 password characters.
What possible IEEE 802.11 amendments could be used for the new system? What are the pros and cons of each amendment? Choose an amendment to implement and explain your choice.
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