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Consider a bus LAN with a number of equally spaced stations with a data rate of 10 Mbps and a bus length of 1 km. Assume a mean distance between stations of 0.275 km. This is an approximation based on the following observation. For a station on one end, the average distance to any other station is 0.5 km. For a station in the center, the average distance is 0.25 km. With this assumption, the time to send equals transmission time plus propagation time. What is the mean time to spend a frame of 1000 bits to another station, measured from the beginning of transmission to the end of reception? Assume a propagation speed of 100 m/μs.
Is Nmap able to recognize operating system running on each system? Is there any Nmap feature which can be utilized to guess OS of host?
Discuss how initiatives like the Dynamic Open Architecture Radio System (DOARS) Project and the National Task Force on Interoperability (NTFI) are paving the way for more efficient.
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
Research a Metro Ethernet service that is offered by a vendor in your country (or another country if your country doesn't have Metro Ethernet).
The following are the four main wireless technologies used to access various network resources: Radio wave, Infrared. Explain three advantages and three disadvantages of each of these wireless technologies.
Explain if private IP addressing should be used in conjunction with NAT (Network Address Translation)? Describe what IP class you would consider using.
Conduct Internet search to locate case study which illustrates how VoIP was beneficial to the organization. Why did organization need a VoIP solution?
Try to devise a technique that will allow Arnold to establish a TCP connection with Bernard without application-specific NAT configuration. If you have difficulty devising such a technique, discuss why.
You are the Information Security Officer at a medium-sized company (1,500 employees). The CIO has asked you to explain why you recommend it is so important to secure your Windows.
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.
Explain how systems analyst can help with project management tasks. Also, explain how new employee can contribute to tasks.
A frame rate of 30 fps, and 8 bits for quantisation of each pixel. What is the required bandwidth for the transmission of the uncompressed video stream?
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