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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 disadvantages do the two strategies have? (c) Many companies implement one or more firewalls between their "internal" network and the external Internet. Explain, using a diagram, a typical firewall-based Internet connection, and explain briefly the purpose and likely configuration of each of the components.
(d) What is the role of an intrusion detection system (IDS) in a network? Explain the operation of a signature based IDS. Discuss its advantages and disadvantages.
Question: (a) Distinguish between Steganograhy and Cryptography. (b) "Playfair cipher is more secure than Monoalphabetic cipher." Justify this statement. (c) Various ap
QUESTION (a) One of the biggest drawbacks that GNS3 has is that it supports only the IOS images of routers. This means that users cannot emulate Cisco switches. Suggest two sol
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
Information asset classification-risk management A number of organizations have data classification schemes (for instance confidential, internal, public data). The classificat
How to find an ip address?
Question: (a) What is the minimum length of a password that could be considered to be "strong" in the context of today's computing power? (b) The security of a PIN system,
TRAP AND TRACE SYSTEMS Trap and Trace Systems use techniques to detect an intrusion and trace it back to its source. Trap comprises of honey pot or padded cell and alarm. The dr
how to form the trojan integrated cirucit and what are the tools are used to simulate the ciruit to our system and how to pass it as input to the clustering algorithm to get the ou
QUESTION (a) Describe the role of DNS root servers in the Internet network. (b) What do you understand by the handover concept in a mobile network? (c) List five meth
differentiate between internet and www
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