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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
SDLC Systems development life cycle (SDLC) is process of developing information systems through analysis, design, investigation, implementation and maintenance. SDLC is called as
(a) Using Fermat's theorem, find 3 201 mod 11. (b) Explain how the Diffie-Hellman key agreement protocol works and what its purpose and main properties are. Consider a Dif
Problem a) Give the destination IP address, upper layer protocol, TTL in decimal and header checksum in hexadecimal; the source port number and the destination port number in deci
define cryptography
Question: (a) Which type of attacker represents the most likely and most damaging risk to your network? (b) What is the basic reason that social engineering attacks succeed?
(a) Describe how CSMA/CD operates and explain how Ethernet deals with collisions. (b) Describe how the subsequent protocols work: i. ARP ii. DHCP iii. DNS iv. SMTP (c) The
Question: Network diagrams combine with a set of systematic analysis procedures, serve to remedy the shortcomings of the Gantt chart. Explain the following terms used in the ne
ARP RESPONSES Let's search out how does a computer know whether an incoming frame have an ARP message. The type field in the frame header defines that the frame contain an ARP
Problem 1: Show what are the benefits of project quality management? • Customer satisfaction • Reduced cost • Increased competitiveness • Fulfilment of social and economic r
Question: (a) Consider that you enter the given URL in the address bar of a popular web client and that both the client and server accepts HTTP version 1.1. i. What can be t
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