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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
Spambot Detection: The previous studies in this field have focused on content and meta-content based features. The main assumption in this area of spam detection of late is
A full-duplex (FDX) , accepts communication in both ways, and, unlike half-duplex, accept this to occur simultaneously. Land-line telephone networks are full-duplex, since they
CARRIER SENSE MULTIPLE ACCESS (CSMA) There is no central access management when computers transfer on Ethernet. For this solution the Ethernet employs CSMA to coordinate tran
The following message was enciphered with a Vigenère cipher. aikiaawgfspxeppvjabjnivulfznzvkrlidamsmyamlvskniyffdpbwtnxsvvbtnamvltsefoeycztkomylmerkwrs deusjgecmzkwvnreeyp
Question : (a) Distinguish between authorization and authentication. (b) SSO (Single Sign On) implies a user logs in once and can access resources for a defined period of
a) Wireless local area network (WLAN) technologies constitute a fast-growing market introducing the flexibility of wireless access into office, home, or production environments. G
Dynamic Packet Filtering Dynamic Packet Filtering is also referred to as stateful firewalling. Here the firewall maintains the status of connections as well. When a connection
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
Problem (a) Differentiate between private key and public key encryption. (b) What issue with private key encryption is resolved with public key encryption? (c) Describe
Enterprise Information Security Policy (EISP) EISP also known as security policy directly supports the mission of the organization and sets the strategic direction, scope, and t
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