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QUESTION
a) "Two of the key attributes of an enterprise network is that it have to be multi-platform and multisite."
Decribe what you understand by this statement.
b) A logical network diagram is the deliverable at the end of the Needs Analysis stage in network planning. Illustrate the different phases in this stage.
c) Describe the following in relation to redundancy:i) RAID Level 0+1 ii) Differential backupiii) Level 3 UPS
d) In terms of performance, consider a network with an MTBF of 3000 Hours and MTTR of 2 Hours:
i) Evaluate the percentage availability of the network.ii) Evaluate the percentage reliability of such a network over a one-year period.iii) Determine the average throughput between two hosts given that the RTT for a 32 bytes ICMP request-reply is 1 millisecond and that for a 1500 bytes ICMP request-reply is 6 milliseconds.
IDS Intrusion is a attack on information assets in which instigator attempts to gain entry into or disrupt normal system with harmful intent Incident response is an identificatio
Question: a) Give two reasons why the building-block approach is favoured to the traditional network design approach. b) With reference to network monitoring parameters, dis
Problem (a) Below is a capture of an Ethernet II frame which contains an IPv4 packet and a TCP segment. The second screen capture is from the data portion of the frame.
QUESTION: (a) Explain, with the aid of a diagram, a Star topology of a network of your choice. (b) Illustrate on the use of a MAN and give an example of one. (c) Describe
why is it that sometime we put password in our account to login or signup and it would not work?
define .
NEED FOR SECURITY Primary mission of information security to ensure that the systems and contents stay the same If no threats, could focus on improving the systems, resulting in
Question requires you to develop firewall rules based on a fictitious organisation. Scenario: You work for a security-conscious company, xC-Cure, who develop encryption te
(a) Draw the waveform for an asynchronous transmission with the given specifications: 8 data bits with value 11010001 (LSB listed first here), one parity bit (even), one star
QUESTION (a) A convex flow problem is a non linear network flow problem. Explain how a convex flow problem could be transformed into a Minimum Cost Flow problem. (b) Exp
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