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1. Design a file access system to allow certain users read and write access to a file depending on authorization set up by the system. The instructions should be of the format READ(F, User A): Attempt by User A to read file FWRITE(F, User A): attempt by User A to store a possibly modified copy of F. Each file has a header record, which contains authorization privileges that is a list of users who can read and write.
2. A decentralized NIDS is operating with two nodes in the network monitoring anomalous inflows of traffic. In addition, a central node is present, to generate an alarm signal upon receiving input signals from two distributed nodes. The signatures of traffic inflow into the two IDS nodes follow one of four patterns: P1, P2, P3, P4. The threat levels are classified by the central node based upon the observed traffic by the two NIDS at a given time and are given by the following table If, at a given time instance, at least one distributed node generates an alarm signal P3, what is the probability that the observed traffic in the network will be classified at threat level ‘Medium'?
Write a program that reads in two floating-point numbers and tests whether they are the same up to two decimal places. Here are two sample runs. Enter two floating-point numbers
Write a program that checks a text file for several formatting and punctuation matters. The program asks for the names of both an input file and an output file.
Identify a recent moral dilemma or ethically questionable situation relating to ICT - use the Doing Ethics Technique (DET), ensuring you address each of the DET questions;
Finally add an abstract method named Print which will be implemented in the derived classes.
Fail authentication page will ask user to create the new account if the user does not have an account on the system.
Lots of people who connect their systems to the Internet rush out and purchase latest copies of firewalls and virus protection software.
Let the TCP procedure for evaluating RTT. Assume that α = 0:5. Let SampleRTT1 be the Most recent sample RTT, let SampleRTT2 be the next most recent sample.
1. Confidentiality, integrity, and availability are the three common security goals. Select at least three security vulnerabilities that could jeopardize and compromise a database. Classify each vulnerability with being technical, managerial,..
Let two main types of message exchange patterns in SOAP (and operation types in WSDL): (1) request-response and (2) one-way.
Create a Java GUI application using Netbeans that calculates a restaurant bill from the prices of the appetizers, main course and desert.
In multicategory case a set of samples is said to be linearly separable if there exists linear machine which can classify them all correctly.
How would implementing new forms of computer-mediated technology influence your organization's communication? What is the significane of managers selecting suitable channel for message distribution in Information Age?
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