___ provides vital protection and maintenance services for system software and hardware, including enterprise computing systems, networks, transaction processing systems, and corporate IT infrastructure.
a. User support
b. Database administration
c. Systems support and security
d. Network administration
Answer: C
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System Analysis Chapter 1
- A(n) ____ investigates, analyzes, designs, develops, installs, evaluates, and maintains a company's information systems.
- The ____ group typically provides leadership and overall guidance, but the systems themselves are developed by teams consisting of users, managers, and IT staff members.
- The newest development techniques are called ____, which attempt to develop systems incrementally.
- Agile methods typically use a(n) ____model, which represents a series of iterations based on user feedback.
- In object-oriented design, built-in processes called ____ can change an object's properties.
- Whereas structured analysis treats processes and data as separate components, ____ combines data and the processes that act on the data into things called objects.
- In the model of the SDLC shown in the accompanying figure, during the ____, the IT staff maintains, enhances, and protects the system.
- In the model of the SDLC shown in the accompanying figure, during the ____, the new system is constructed.
- In the model of the SDLC shown in the accompanying figure, the purpose of the ____ is to create a physical model that will satisfy all documented requirements for the system.
- In the model of the SDLC shown in the accompanying figure, the purpose of the ____ is to build a logical model of the new system.
- In the model of the SDLC shown in the accompanying figure, the ____ usually begins with a formal request to the IT department, called a systems request, which describes problems or desired changes in an information system or a business process.
- In the __swirly picture__, like that shown in the accompanying figure, the result of each phase, which is called a deliverable or end product, flows sequentially into the next phase in the SDLC.
- The ____ method of developing systems stresses team interaction and reflects a set of community-based values.
- ____ is a systems development technique that tests system concepts and provides an opportunity to examine input, output, and user interfaces before final decisions are made.
- ____ is a systems development technique that produces a graphical representation of a concept or process that systems developers can analyze, test, and modify.
- A business ____ is an overview that describes a company's overall functions, processes, organization, products, services, customers, suppliers, competitors, constraints, and future direction.
- Systems analysts use a ____ to graphically represent company operations and information needs.