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Question
(a) Estimate the average throughput between two hosts given that the RTT for a 100 bytes ICMP request-reply is 1 millisecond and that for a 1500 bytes is 2 milliseconds.
(b) provide the capture below from a popular network protocol analyzer:
i. Give the content that has been erased in packet #6?ii. Why is the status code 404 Not Found returned in packet #14?iii. What is the IP address of the host requesting the webpage?iv. What could the gaia, cs and umass represent in the DNS query in packet #5
(c) Describe two limitations of the Client-Server architecture and explain how the P2P model addresses these limitations.
Risk Identification Risk management comprises of identifying, classifying and prioritizing organization’s information assets, threats and vulnerabilities also. Risk Identificati
Problem (a) Distinguish between passive and active attacks. (b) Give two reasons why it is important to organise security awareness programs for users. (c) Describe how
Question: Quality management standards are seen as a major pillar supporting the drive for continuous quality improvement through TQM. (a) What do you meant by the term ‘Qua
Short term Scheduler function , also shown as a dispatcher runs most frequently, and creates the finest-grained decision of which program could run next. This scheduler is called
define cryptography
Question: a) Explain what the following intermediate systems are and how they work? i. Repeater ii. Bridge b) A service is formally specified by a set of primitives (op
LOG FILE MONITORS Log file monitor (LFM) is similar to NIDS. It reviews log files generated by servers, network devices, and even other IDSs for patterns and signatures. Pattern
In broadcast topology there are further two types 1) SATELLITE\RADIO 2) RING TOPOLOGY In a radio or satellite topology every computers are connected to each other via radio o
Confidentiality Confidentiality of information ensures that only those with sufficient privileges may access specific information. When unauthorized individuals can access inform
Question: Spreadsheet packages are widely used in Business. a) Explain why spreadsheets are so useful. b) Spreadsheet files are sometimes saved for use by other software
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