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(a) Show four Network Security attacks. How do they compromise security?
(b) In what ways do the following devices or services contribute to security:
(i) Firewall (ii) Intrusion Detection System (IDS) (iii) Secure Socket Layer (SSL)
(c) What are the objectives of access control? Give four examples of such systems.
(d) An attacker has the intention of disrupting secure communications by inserting bogus packets in the channel. Discuss how such an attack would succeed in systems protected by IP Sec and SSL.
IP DATAGRAM SIZE: Datagrams may have different sizes i.e. Header area is generally fixed (20 octets) but can have various options. Data area may contain between 1 octet and 6
ACCESS CONTROL DEVICES Successful access control system includes number of components, which depends on system’s requirements for authentication and authorization. Powerful auth
W h a t do you understand by the terms security, network security and information security? How network security and information security are connected? Security can be def
what is computer network?
How to find an ip address?
(a) Using the extended Euclidean algorithm, find the multiplicative inverse of 504 mod 67. (b) Decrypt the following ciphertext, which has been encrypted using Caesar cipher:
How much would it cost to have a project completed by tomorrow night?
Information System Security 1. Write about: a. Potential Risks to Information Systems b. Factors to be addressed for making information systems more secure 2. Write about t
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
Many applications are vulnerable to intrusion attacks and can provide misleading reports about misbehaving nodes. Some of the mechanisms under such a category include the Bayesian
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