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QUESTION
(a) Define and distinguish between Electronic Commerce and Electronic Business
(b) According to you what are the benefits that Electronic Commerce can brings to organizations?
(c) What are at present the non-technical limitations of Electronic Commerce?
(d) (i) What is a firewall?
(ii) List the basic types of firewalls and briefly describe each.
(e) Explain the term "Intranet", and explain how a firewall can be used to protect an intranet connected to the public internet
(f) (i) What do you understand by e-tailing?
(ii) List 2 advantages and 2 disadvantages of e-tailing
Problem (a) Using Vigenère cipher and given the key abc, find the ciphertext for the message: simplicity Only the 26 lower-case alphabetical characters are used in messa
Categories of Controls Controlling risk through mitigation, avoidance or transference is accomplished by implementing controls. There are 4 effective approaches to select the co
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Question: (a) How can you prevent someone from accessing your computer when you leave your office for some time? (b) What is the difference between a classic login and a w
Scenario: A network with individual hosts (really, virtual machines) can run HTTP (web) servers that are available to the outside. (Here, available means the ability to read and wr
Why an organization need the issue specific security policy
UDP DATAGRAM FORMAT: It is given in the figure below:
FIREWALL ANALYSIS TOOLS There are a number of tools automate remote discovery of firewall rules and assist the administrator in analyzing rules Administrators who feel wary of u
Problem a) Give three reasons why traditional Network Design approach is less appropriate for many of today's networks? b) The network requires of users are organized into m
a) Calculate the CRC for the frame below: Frame: 1101011011 Generator: 10011 Message after appending 4 zero bits: 11010110110000 b) OSI refers to a system in which any
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