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Wireless Networks
Consider a warehouse that is 60m by 30m. Wireless networking is required so that up to 20 staff members working in the warehouse can track stock movements and perform stock checks using mobile devices.
(a) Assume that the useful range of WiFi within the warehouse will be 15m radius. Design a simple layout of omnidirectional antennas to cover the entire warehouse. Show the channel to be assigned to each antenna, taking care to minimise interference between the coverage areas. Briefly explain any key design decisions you have made.
(b) Which WiFi flavour (a, b, g, n, ac, ad, or other) would you recommend for this new installation? Discuss the options and justify your choice.
(c) Would you recommend security for this network, and if so, what type of security? Discuss the options and justify your choice.
Write three TCP and three UDP connections from netstat -a output, and corresponding translated port numbers from netstat -an output.
Explain why a WBS has different levels and what each level represents. Respond to the following: "If you were a project manager in charge of employees affected by the above situation.
Distinguish between packet switching and circuit switching: Give three advantages and three disadvantages of each one and discuss four advantages of layering as seen in the TCP/IP architecture.
Derive the state equations A(t+1) and B(t+1) by substituting the input equations for the J and K variables, and draw the state diagram of the circuit.
Corporation is expanding from single physical location to three physical locations distributed across county to better serve the requirements of their customers.
Consider transferring a large file of L bytes from Host A to Host B. Assume a MSS of 1460 bytes. What is the maximum value of L such that the TCP sequence numbers are not exhausted?
What do you think is the most effective method to explain if an attack has been made on the computer network include what malicious activities.
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.
Use problem-solving and brainstorming skills to find a procedure to follow. Write a short report outlining what to do.
You are administrator of a client-server environment. What type of network would you install and how would pieces and components of this network relate to each other?
Suppose you are working for a small business that has outgrown its existing building. What technology will you recommend to internetwork the two buildings?
Write down the main components of good security policy? Write down some of the most common attacks, and how can the network be protected against these attacks?
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