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1. What is a circuit? What is a client? What is a server? Why are network layers important? Describe the seven layers in the OSI network model and what they do.
2. Describe the five layers in the Internet network model and what they do.
3. Explain how a message is transmitted from one computer to another using layers.
Define congestion. What are common causes of congestion (runts, giants, dropped packets, late collisions, input/output errors, etc.)
Display it via a Web-based interface running on another server. What are security issues that could plague this solution if not attended to?
Describe how bringing on these new locations will affect your existing network. Will you have to increase bandwidth to the servers? Licensing for applications like e-mail? Will any additional hardware be required at your HQ site?
Create access lists to restrict traffic between departments. The HR and Payroll departments both reside in the same building. The company has devised a new benefits system.
Describe why Actor Network Theory is a relevant theory for studying computing. Name and categorise the actants in your stories. Describe how they are "acting" in the assemblage.
Which category of the taxonomy does PGP mitigate that is not mitigated by just encrypting the SMTP traffic between MTAs?
using the web search for software firewalls. examine the various alternatives available and compare their
Write 3 pages of essay in wireless LAN management but quality work no need to use reference only your words.
Assuming that switches user store-and-forward packet switching, what is the total end-to-end delay to send a packet of length L? (Ignore queuing, propagation delay, and processing delay.)
Create a communication system (block diagram) which will permit transmission of these four sources over telephone using frequency division multiplexing and TDM PCM assume using 4 bit samples.
You must design the network requirements for the Advanced Digital Computer Company. As the network consultant you will be required to develop a plan for the Company network.
As a member of the Network Security group, you have been asked to serve on the committee and to take the initiative in the following: 1. Describe the major network security organizations. 2. Identify risks, threats, vulnerabilities and countermeasu..
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