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1. What happens if two CPUs in a multiprocessor attempt to access exactly the same word of memory at exactly the same instant?
2. Why is there a limit on cable length in an Ethernet network?
3. In the discussion of how URLs are processed by a browser, it was stated that connections are made to port 80. Why?
4. When multiple processes need access to data, in what way is object-based access better than shared-memory?
5. When a browser fetches a Web page, it first makes a TCP connection to get the text the page (in the HTML language). Then it closes the connection and examines the page. If there are figures or icons, then it makes a separate TCP connection to fetch each one. Suggest two alternative designs to improve performance here
1. an emergency room plans to add capacity in two phases. after the first phase the average capacity utilization is
Describe both remote-access VPNs and point-to-point VPNs
What is the relationship between a document and a view?
To define the addressing scheme of the company XYZ network you will indicate: The subnet mask selected, the maximum number of subnets provided by the selected subnet mask
Describe the function and purpose of each component above. Explain how the components are related to each other. For example, does the component depend on another to operate? Is it connected to the network physically or wirelessly
Assume a program has 510 bytes and will be loaded into page frames of256 bytes each, and the instruction to be used is at byte 377. Answer the following questions:
Create a new Organisational Unit (OU) in Active Directory called ‘test unit'. In the test unit OU, create a group policy with appropriate user account security (Group) policies (as found in the IT Operational Plan).
Label each file name according to the section of the assignment it is written for. Additionally, you may create and / or assume all necessary assumptions needed for the completion of this assignment.
You have been asked to sketch a LAN with operation over a distance of about 100m.
Describe and explain the idea of network neutrality. Are you in favor of network neutrality? Why or why not
1.outline a plan for the development of an addressing and naming model in an environment of the following scenario ?ten
Suppose further that this ISP is deliberately dropping 25% of the packets used in its competitors VOIP system when those packets are going through this ISP's routers. Describe how a user could discover that his ISP is doing this
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