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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.
Question: (a) A string of ciphertext was enciphered using an a±ne transformation of single letters in a 28-letter alphabet consisting of A to Z, a blank and a?, where A to Z ha
INTRODUCTION TO CRYPTOGRAPHY Cryptography The word cryptography is derived from Greek words kryptos, which means hidden and graphein, meaning to write, this is the process of
For this assessment, students must research and analyse two different scenarios. The two scenarios must be chosen from those described below and submitted as one Microsoft PowerPoi
Risk Management Discussion Points Organizations should define level of risk it can live with Risk appetite: it defines quantity and nature of risk which organizations are wil
ROUTING TABLES AND ADDRESS MASKS Additional information is saved in routing table. Destination is kept as network address. Next hop is saved as IP address of router. Address m
INTRODUCTION TO PHYSICAL SECURITY The Physical security addresses design, execution, and maintenance of countermeasures which protect physical resources of an organization. The
Problem 1 . Show various features of a 1G network Total three features for each feature of 1G Problem 2. Describe how a cellular network works with functional block diagram
Problem: (a) Use a simple example to explain what is meant by a finite state machine. (b) Describe the time limit problem in an interrupt-driven system. (c) A certain m
implementing password policy in organisation
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