Which of the following represents the phases in the SDLC? A. Plan, analysis, design, test, maintain, develop, implement B. Analysis, plan, design, test, develop, maintain, implement C. Plan, analysis, design, develop, test, implement, maintain
D. Analysis, plan, develop, design, test, implement, maintain
Plan, analysis, design, develop, test, implement, maintain
Unit Tests are conducted by developers and test the unit of code( aka module, component) he or she developed. It is a testing method by which individual units of source code are tested to determine if they are ready to use. It helps to reduce the cost of bug fixes since the bugs are identified during the early phases of the development lifecycle. Integration testing is executed by testers and tests integration between software modules. It is a software testing technique where individual units of a program are combined and tested as a group. Test stubs and test drivers are used to assist in Integration Testing. Integration test is performed in two way, they are a bottom-up method and the top-down method. Below is a detailed comparison between the two- What is Integration Test?
Unit test
Integration test
Design. The next stage of SDLC is the Design phase. During the design phase, developers and technical architects start the high-level design of the software and system to be able to deliver each requirement.
What is an activity based process in which each phase in the SDLC?
The waterfall methodology is a sequential, activity-based process in which each phase in the SDLC is performed sequentially from planning through implementation and maintenance. The agile methodology is a form of XP, aims for customer satisfaction through early and continuous delivery of useful software components.
Which phase of SDLC begins the process quizlet?
Feedback (problems and needs for change) during the system maintenance phase leads to the start of another system definition phase, hence beginning a new cycle of the SDLC process.
Which phase of the SDLC establishes descriptions of the desired features and operations of the system?
Systems design: Describes desired features and operations in detail, including screen layouts, business rules, process diagrams, pseudocode and other documentation. Implementation: The real code is written here.
What is the analysis phase in the SDLC?
The Analysis Phase is where the project lifecycle begins. The Analysis Phase is where you break down the deliverables in the high-level Project Charter into the more detailed business requirements.
What verifies that separate systems can work together passing data back and forth correctly?
Assess if the entire system meets the design requirements of the users. Determines if the system satisfies the user & business requirements. Integration testing. Verify that separate systems can work together, passing data back & forth correctly.
Which implementation uses both the legacy system and new system until all users?
Parallel Implementation
What are the three primary variables in any project?
-The three primary variables in any project: Time, Cost, and Scope.
What is a programming method that provides for interactive modules to a website quizlet?
scripting language. a programming method that provides for interactive modules to a website.
What defines all project roles and indicates what responsibilities are associated with each role?
Links the project to the organization’s overall business goals. Prioritizes all of the business requirements by order of importance to the company. Responsibility Matrix. Defines all project roles and indicates what responsibilities are associated with each role.
What assess if the entire system meets the design requirements of the users?
Development Testing assess if the entire system meets the design requirements of the users. Development testing verifies that separate systems can work together passing data back and forth correctly. Integration testing verifies that the units or pieces of code function correctly when integrated together.
What consists of a series of tiny projects quizlet?
Waterfall development consists of a series of tiny projects. It has become the foundation of multiple agile methodologies. An agile methodology aims for customer satisfaction through early and continuous delivery of useful software components developed by an iterative process using the bare minimum requirements.
What is a business facing process quizlet?
Business-facing processes: are invisible to the customer but essential to the business and the. effective management of the business. It includes goal setting, day to day planning, performance feedback, rewards and resource allocation.
What is the number one reason that it projects fall behind schedule or fail?
What is the number one reason that IT projects fall behind schedule or fail? Poor planning or poor project management.
Which of the following are examples of transactional information?
Examples of transactional information include: sales receipt, packing slip, purchase confirmation, etc. So transactional information is the result of performing daily operating tasks. In contrast to transactional information, analytical information is used for managerial analysis and decision making.
What is transaction processing system with examples?
Transaction processing systems consist of computer hardware and software hosting a transaction-oriented application that performs the routine transactions necessary to conduct business. Examples include systems that manage sales order entry, airline reservations, payroll, employee records, manufacturing, and shipping.
Which of the following are examples of transactional data quizlet?
Which of the following is an example of transactional information? Withdrawing cash from an ATM, making an airline reservation, purchasing stock, trends, and sales projections. What encompasses all organizational information and its primary purpose is to support the performance of managerial analysis tasks?
What is the logical view of information?
The logical view is a simple term, which helps the user only view the items they need for their specific task. The logical view is a view that is logical to the database user. The database only has one physical view, but can have many logical views.
What is logical view of database?
The logical database view is how the data appear to the user to be stored. The physical database storage is how the data are actually physically stored on the storage medium used in the database management system. It has little relationship to how the data appear to be stored (e.g., the logical view).
What is the logical view of data quizlet?
The logical view of data is: How people organize, view, and understand relationships among data items. A schema is defined as: description of data elements in a database, relationships among them, and logical model used to organize and describe data.
What is the physical view of information?
Physical view refers to the way data are physically stored and processed in a database. On the other side, logical view is designed to suit the need of different users by representing data in a meaningful format. Another word, the logical view tells the users, in their term, what is in the database.
What are the two different categories for information type?
Description: Transactional information is a kind of information that a business unit contains. Analytical information is a kind of information which is used for making the tasks and decision for an organisation.
What does it mean by physical view of data and logical view of data?
The logical view presents data as they would be seen by end users, whereas the physical view shows how data are actually organized and structured on physical storage media. The logical definition of the entire database showing all the data elements and their relationships is called the conceptual schema.
What is a measure of the quality of information?
Information quality (IQ) is the quality of the content of information systems. It is often pragmatically defined as: “The fitness for use of the information provided.”. IQ frameworks also provides a tangible approach to assess and measure DQ/IQ in a robust and rigorous manner.
How do you evaluate data quality?
Decide what “value” means to your firm, then measure how long it takes to achieve that value.
- The ratio of data to errors. This is the most obvious type of data quality metric.
- Number of empty values.
- Data transformation error rates.
- Amounts of dark data.
- Email bounce rates.
- Data storage costs.
- Data time-to-value.
What is data quality with example?
For example, if the data is collected from incongruous sources at varying times, it may not actually function as a good indicator for planning and decision-making. High-quality data is collected and analyzed using a strict set of guidelines that ensure consistency and accuracy.
How do you analyze data quality?
Data Quality – A Simple 6 Step Process
- Step 1 – Definition. Define the business goals for Data Quality improvement, data owners / stakeholders, impacted business processes, and data rules.
- Step 2 – Assessment. Assess the existing data against rules specified in Definition Step.
- Step 3 – Analysis.
- Step 4 – Improvement.
- Step 5 – Implementation.
- Step 6 – Control.
What is data quality analysis?
Data quality assurance is the process of data profiling to discover inconsistencies and other anomalies in the data, as well as performing data cleansing activities (e.g. removing outliers, missing data interpolation) to improve the data quality.
How do you solve data quality issues?
Here are four options to solve data quality issues:
- Fix data in the source system. Often, data quality issues can be solved by cleaning up the original source.
- Fix the source system to correct data issues.
- Accept bad source data and fix issues during the ETL phase.
- Apply precision identity/entity resolution.
Who is responsible for data quality?
The IT department is usually held responsible for maintaining quality data, but those entering the data are not. “Data quality responsibility, for the most part, is not assigned to those directly engaged in its capture,” according to a survey by 451 Research on enterprise data quality.
Which phase of the SDLC establishes a high-level plan of the intended project and determines project goals?
Project planning, feasibility study: Establishes a high-level view of the intended project and determines its goals.
Which phase of SDLC begins the process?
SDLC usually begins with determining customer business needs, followed by implementation and testing. The cycle ends with the fulfillment of all requirements. The software development life cycle comprises of seven distinct phases: Planning.
What is the last phase of the SDLC?
Acceptance, installation, deployment: This is the final stage of initial development, where the software is put into production and runs actual business. Maintenance: During the maintenance stage of the SDLC, the system is assessed/evaluated to ensure it does not become obsolete.
What is the most important phase of SDLC?
1 — System Development Life Cycle: Planning Planning is the most crucial stage of the SDLC process. It involves identifying and defining the project scope to determine a comprehensive action plan for the project, and pinpointing the issues the solution it would resolve.
What is difference between STLC and SDLC?
KEY DIFFERENCE SDLC is a Development Life Cycle whereas STLC is a Testing Life Cycle. In SDLC, real code is developed, and actual work takes place as per the design documents, whereas in STLC testing team prepares the test environment and executes test cases.
What is System in SDLC?
In most use cases, a system is an IT technology such as hardware and software. Project and program managers typically take part in SDLC, along with system and software engineers, development teams and end-users. SDLC is also an abbreviation for Synchronous Data Link Control and software development life cycle.
What is system development life cycle with examples?
The system development life cycle is a project management model that defines the stages involved in bringing a project from inception to completion. Software development teams, for example, deploy a variety of systems development life cycle models that include waterfall, spiral and agile processes.
What is STLC?
STLC stands for Software Testing Life Cycle. STLC is a sequence of different activities performed by the testing team to ensure the quality of the software or the product. STLC is an integral part of Software Development Life Cycle (SDLC). It helps to reduce the test cycle time along with better quality.
What is QA testing process?
What is QA testing? Quality assurance (QA) testing is the process of ensuring that your product is of the highest possible quality for your customers. QA is simply the techniques used to prevent issues with your software product or service and to ensure great user experience for your customers.
What is BVA and ECP in testing?
Boundary value analysis is another black box test design technique and it is used to find the errors at boundaries of input domain rather than finding those errors in the center of input. Equivalence Partitioning and Boundary value analysis are linked to each other and can be used together at all levels of testing.
What is BVA and ECP with examples?
BOUNDARY VALUE ANALYSIS & ECP – EXPLAINED WITH EXAMPLES. Boundary Value Analysis and Equivalence Class Partitioning are the most common technique in Black-box Testing Techniques for test case design. Both are used to design test cases for validating a range of values for any given input domain.
What is the difference between BVA and ECP?
BVA technique reduces Test Coverage and picks data on the boundary of various regions/classes of ECP. We can choose Data on the boundaries of classes.
Which MCQ test is first?
Testing which performed first is – Static testing is performed first.
Which is black box testing method Mcq?
Explanation: Boundary value analysis is one of the widely used case design techniques for black-box testing. It is used to test boundary values because the input values near the boundary have higher chances of error.
Who performs the acceptance testing Mcq?
2. Who is responsible for acceptance testing? Comment: Customer is responsible for acceptance testing.