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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 (1) - Alice, Bob and Charlie have a secret key a=3, b=4, c=5, respectively. - They want to find a common secret key using Diffie-Hellan key exchange protocol (with g
Innovative nature of triple key management The triple key management scheme provides secure services by combining different techniques whic contribute to the security and priv
ENCAPSULATION Network interface layer adds IP datagram as data area in hardware frame. Hardware ignores IP datagram message format. Standards for encapsulation defines details
LOCALITY OF REFERENCE PRINCIPLE: Principle of "Locality of Reference" use to predict computer interaction patterns. There are two patterns shown as follows: a) Spatial loca
Identify Possible Controls For each threat and linked vulnerabilities which have residual risk, create primary list of control ideas. Residual risk is the risk which remains to
SUCCESS OF IP: IP has accommodated dramatic modification since real design. But basic rules are still appropriate today. There are many new kinds of hardware. SCALING:
CYCLIC REDUNDANCY CHECK (CRC) To activate a network system to check move error without increasing the amount of information in every packet another most successful method is m
Problem: (a) What is a firewall and which are its most important tasks? (b) What is the difference between default deny and default permit? Which advantages and disadvanta
PARITY BIT: A parity bit is an extra bit transmitted with data item select to give the resulting bit odd or even parity. For example an even parity data packet 10100001 has p
#ON A lan wher r ip datagrams transported?
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