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Question
(a) Draw a typical hybrid star-ring topology paying attention to how the clients and switching hubs are connected.
(b) State 3 main differences between a router and a layer 2 switch.
(c) (i) List the four functional areas of Network Management. (ii) What are the two parameters monitored by a Network Management System?
(d) Explain the Building Block Design process.
(e) In terms of Performance, assuming a network with an MTBF of 2000 Hours and MTTR of 12 Hours:
(i) What do you understand by MTTR? (ii) Calculate the percentage Availability of the network. (iii) Calculate the percentage Reliability of such a network over a one-year period. (iv) What does this Reliability value mean?
(f) List the three different Management Information Base System (MIBS) modules available, giving a brief description of each.
(g) (i) Name the two methods by which a Network Management System can obtain information from SNMP?
(ii) Name three pieces of information that is included in a SNMP Trap?
Code to implement Otway-Rees Key Exchange Protocol
QUESTION (a) Compare and contrast phishing and pharming attacks (b) Nowadays, web defacement may not always be visual (i) Explain web defacement (ii) What is the main
(a) Consider the subsequent authentication options: A. Using password. B. Using pin and fingerprint Which option A or B provides stronger security and why? (b) Give
discuss the merits and demerits of computers freezing
Hardware, Software, and Network Asset Identification What information attributes to track is dependent on: • Requires of organization/risk management efforts • Management
Question: a) How many bits per second can be sent on a noiseless 4 MHz channel if four-level digital signals are used? b) If a binary signal is sent over a 3 KHz channel who
(a) Cost allocation mechanisms are important when it comes to establishing other aspects of inter-firm compensations and how these are transferred to the users. There are two pri
Hello i have submitted an assignment and i am still waiting to know if it has been accepted or not the ref number is TicketID: EM201381BRY525CN, the due date is for monday 27th of
Network-Based IDS (NIDS) A NIDS resides on computer or appliance connected to segment of an organization’s network and looks for signs of attacks. While examining packets, a NID
QUESTION (a) Briefly explain the contents of the Needs Analysis, which is step in the process of network design. (b) Describe on the three ways of improving the performan
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