Encryption of data at what layer of OSI Model.

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What is the process and project matrics? Explain 3 P's in software engineering.

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Solution:-  a) Process Metrics These are the metrics pertaining to the Process Quality. They measure efficiency and effectiveness of various processes. b) Project Metrics These are the metrics pertaining to the Project Quality. They measure defects, cost, schedule, productivity and estimation of various project resources and deliverables.found in acceptance)/ total no of testing defects) x 100 THE THREE Ps:- The People • People factor is very much important in the process of software development. • There are following areas for software people like, recruiting, selection performance management, training, compensation, career development, organization and work design, and team/culture development. • Organizations achieve high levels of maturity in the people management area. The Product • Before a project can be planned, product objectives and scope should be established, alternative solutions should be considered and technical and management constraints should be identified. • With...
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Explain general format of Software Requirement Specification (SRS).

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 Solution:- Software requirements specification (SRS) is a document that is created when a detailed description of all aspects of the software to be built must be specified before the project is to commence.  It is important to note that a formal SRS is not always written. In fact, there are many instances in which effort expended on an SRS might be better spent in other software engineering activities.  However, when software is to be developed by a third party, when a lack of specification would create severe business issues, or when a system is extremely complex or business critical, an SRS may be justified.  Karl Wiegers has developed a worthwhile template that can serve as a guideline for those who must create a complete SRS.  A topic outline follows: 1. Introduction 1.1. Purpose1.2. Document Conventions 1.3. Intended Audience and Reading Suggestions 1.4. Project Scope 1.5. References 2. Overall Description 2.1 Product Perspective 2.2 Product Features 2.3 U...
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Explain Bluetooth protocol architecture.

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  Solution:-  Bluetooth is short range wireless technology.  Range of Bluetooth is 10 meters.  Bluetooth Architecture defines 2 types of networks.  1)Piconet  2)Scatternet  Piconet   1. It consists of 1 master node and 7 slave nodes.  2. Piconet have 8 active nodes (7+1) in the range of 10 meters.  3. There can be only 1 master station in each piconet. 4. Communication is between master and slave  5. Slave-slave communication is not possible.  6. Piconet can have 255 parked nodes, that cannot take part in communication  7. There will be 7 slaves in active state and 255 nodes in parked state.  Scatternet   1. It is formed by combining various piconets.  2. Slave in one piconet can act as master in other piconet.  3. Such a node can receive message from the master in the first piconet and  deliver the message in second piconet.  4. Station can be member of two piconets.  5. Station cannot b...
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