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A company is interested in upgrading its current core infrastructure, which comprises 2 100mbps switches which connect to a utility room that houses 8 100mbps switches wired with Ethernet Category 5 that run to each client machines. The clients each include a 10/100 auto-sensing Network Ethernet Card. The company wants to upgrade to a high-performance network and has asked you to suggest considerations needed to alter its infrastructure.
You have asked to create a report which evaluates possible client/server solutions to handle the new customer application system for all branch offices.
CIO has asked you to describe why you suggest it is so significant to secure your Windows and Unix/Linux servers from known shortcomings/vulnerabilities.
Message length is distributed exponentially with mean length of 14,400 characters. Line speed is 9600 bps. Determine the mean waiting time in the switching center?
A draws K=0 and B draws K=2n-1 in exponential backoff protocol. Ignore jam signal and interframe space and suppose that signal propagation speed in medium is 2*108 m/sec. When does station A detects first collision?
1. Cybercirminals can use malware to steal files and information from computer, if this happens have loss of confidentiality. Explain how antivirus can be help to prevent from the loss of confidentiality caused by malware?
How many fram need to sent? Determine the size of data in each frame?
Write down types kinds of business applications would you deem significant in networked business office? What kinds of network servers and resources would be essential to run these business applications?
The assignment this week is to create the 'glue', which would bind your Internet based multimedia presentation together.
Describe the effects of spyware and adware. How has spyware and adware influenced public's confidence in security of the Internet?
Determine maximum number of hosts in this subnet? How many different subnets exist in this IP network using subnet mask?
You are using BGP-4 in WAN between AS1, AS2, and AS3. Explain in plain text or as BGP-4 policy statement how you would: Allow AS3 to communicate with AS1 but not allow AS2 to communicate with AS1.
Terminal A is sending data to terminal B using a sliding window protocol with the window size equal to 5 and the maximum sequence number equal to 6.
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