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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
INTRODUCTION TO PLANNING FOR SECURITY The creation of an information security program begins with creation and review of organization’s information security policies, standards,
The method used to check errors is checksum . In this method data is treated as a sequence of integers and their arithmetic sum is calculated and the carry bits are added to the
Base lining • Organizations do not have any contact to each other • No two organizations are identical to each other • The best practices are a moving target • K
Internet Protocol IP Gives computer-to-computer communication. Host and receiver addresses are computers. This is also known machine-to-machine communication.
Repeater known as regenerator ; it is an electronic machine that performs only at physical layer. It gets the signal in the network before it becomes loss or weak, recreates the
INFORMATION SECURITY POLICY PRACTICES AND STANDARDS Management from all the communities of interest should consider policies as basis for all information security efforts. Polic
I have an assignment of Computer Security to submit. Will you guys help me making my assignment???
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
FRAME FORMAT AND ERROR DETECTION The changed frame format also adds CRC. If there is an error happened in frame, then it typically causes receiver to removed frame. The frame
hi have a look and tell me if u can do it. if u can do Q1then i will allow u to do Q2
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