Network Security and Management

by Professor Brijendra Singh.

Monday, 26 April 2021

Point to Point Network ? Broad cast network ?

Exchange of information is required in many situations between two users. In such situations, data communication is needed. A computer network is a collection of computers and peripheral devices (the network components) connected by communication links that allow the network components to work together.  Computer networks can be defined as an interconnected collection of autonomous computers. Network can be defined into two categories : point to point and broadcast network.A point-to-point connection refers to a communications connection...

Thursday, 22 April 2021

Importance of Citations and its uses

A citation is a reference to the source of information used in your research. Any time you directly quote, paraphrase, or summarize the essential elements of someone else's idea in your work, an in-text citation should follow. ... You do not have to cite your own ideas unless they have been published. A citation should be used when content that did not originate with you is used to support your writing. Content includes words (quotations, phrases, sayings, etc.) thoughts, or ideas (summarisations...

Tuesday, 20 April 2021

Interactive Systems and User Interface

INTERACTIVE SYSTEMS AND USER INTERFACE In interactive systems the user and system exchange information regularly and dynamically. Norman’s evaluation/execution model is a useful approach of understanding the nature of interaction: * User has a goal ( something to achieve)* User looks at the system and attempts to exercises how he would perform a series of tasks to accomplish the goal. * User carries out several events (providing input to the system by touching a screen, pressing buttons, speaking words, etc) * User looks at...

Monday, 19 April 2021

Project Risk Management

A risk is anything that could potentially impact your project’s timeline, performance or budget. Risk can be either positive or negative, though most people assume risks are inherently the latter. Where negative risk implies something unwanted that has the potential to irreparably damage a project, positive risks are opportunities that can affect the project in beneficial ways.Project risk management is the process of identifying, analyzing and responding to any risk that arises over the life cycle of a project to help the project remain on...

Sunday, 11 April 2021

Project Feasibility

Project FeasibilityA feasibility study is a test of a system proposal according to its workability. Impact on organization, ability to meet user needs, and effective use of resources. Its focuses on three major questions : 1. What are the user's demonstrable needs and how does a candidate system meet them?2. What resources are available for a given candidate system (Information system) ? Is the problem worth solving?   3. What is the likely impact of the candidate system on the organization? How will does it fit within the organization’s...

Saturday, 10 April 2021

How to create a Project Management Plan

How to create a Project Management PlanProject management is the process of leading the work of a team to achieve goals and meet success criteria at a specified time. The primary challenge of project management is to achieve all of the project goals within the given constraints. Key components of project management are: Time, Cost, Scope and Quality. Project planning is part of project management, which relates to the use of schedules such as Gantt charts to plan and subsequently report progress within...