DESCRIPTION: Operations & maintenance involves planning for, and executing, activities, such as operating the system, monitoring system performance, making repairs, hiring and training operators, testing the system after any changes are made, and tuning the system. All systems require regular maintenance.
How is the system maintenance concept developed?
A preliminary maintenance concept is developed and submitted as part of the preliminary system operational concept for each alternative solution candidate
by the operating command with the assistance of the implementing and supporting commands
. A major driver in designing the system/equipment and the support planned.
What is system maintenance required?
The purpose of the maintenance process is
to sustain the capability of a system to provide a service
. This process monitors the system’s capability to deliver services, records problems for analysis, takes corrective, adaptive, perfective, and preventive actions, and confirms restored capability.
How does the maintenance concept relate to the maintenance plan?
Thus, the maintenance concept is
a central element of any maintenance plan or program
. The maintenance concept imposes a structured approach to the development of maintenance requirements that is traceable back to an operational concept.
What is maintenance concept?
The technical meaning of maintenance involves
functional checks, servicing, repairing or replacing of necessary devices, equipment, machinery, building infrastructure, and supporting utilities in industrial, business, and residential installations
.
What is operations and maintenance in SDLC?
The maintenance phase of the SDLC
occurs after the product is in full operation
. Maintenance of software can include software upgrades, repairs, and fixes of the software if it breaks. Software applications often need to be upgraded or integrated with new systems the customer deploys.
What are the main activities associated with operational maintenance stage?
Successful completion of the Operations and Maintenance Phase should comprise:
Management of changes to the system to support end users
. Monitoring of system performance. Performance of required security activities such as backups, contingency planning, and audits.
Why maintenance is necessary for every SDLC?
As the last phase of the system development life cycle, it involves making use of feedback from end-users to make changes. This also involves addressing any bugs that may still be present in the system.
Maintenance must continue to help make improvements to the now fully-implemented information system
.
Why do we need system implementation and maintenance?
Thus,
maintenance changes the existing system, enhancement adds features to the existing system, and development replaces the existing system
. It is an important part of system development that includes the activities which corrects errors in system design and implementation, updates the documents, and tests the data.
Why the care and maintenance of computer is important for system?
Keeping computers well maintained can
prevent viruses and malware, and keep your computer in good working order
. Regular maintenance ensures that your antivirus software is kept up to date and working properly. Nothing could be more annoying than a computer running too slowly.
What are the tasks involved in system maintenance?
The truth is that this is an almost uncountable set of tasks, covering such tasks as controlling commercial software licenses, maintaining databases, configuring and updating the operating system and software used by the computers, protecting against malware, or detecting and cleaning it if it is already on the systems …
How does system administration and maintenance work?
Techopedia Explains System Administration
Common tasks include
installation of new hardware or software, creating and managing user accounts, maintaining computer systems such as servers and databases, and planning and properly responding to system outages and various other problems
.
What is system maintenance explain different types of system maintenance?
Definition: System maintenance refers to changing an existing information system to fix errors or enhance functionality. Types: There are four types of systems maintenance:
corrective, adaptive, perfective, and preventive
.
What is a software maintenance plan?
Software maintenance is
the process of changing, modifying, and updating software to keep up with customer needs
. Software maintenance is done after the product has launched for several reasons including improving the software overall, correcting issues or bugs, to boost performance, and more.
What makes a maintenance plan effective?
An effective plan needs to
cover all the features of your facility’s maintenance policy
. The program should contain an exhaustive inventory of assets that you need to maintain. The list which includes numerous items like boilers, pumps, and roofs, ensures that you don’t leave out any vital asset.
What are the 4 types of maintenance?
Four general types of maintenance philosophies can be identified, namely
corrective, preventive, risk-based and condition-based maintenance
.
What are the SDLC models?
- The Waterfall Method – 1970s to 90s.
- The Prototyping Model.
- The Iterative Model.
- Spiral Model.
- V-Shape Model.
- Agile.
- Scrum.
- Kanban.
What are the advantages and disadvantages of SDLC?
| Every stage of V-shaped model has strict results so it’s easy to control Lack of the flexibility | Testing and verification take place in the early stages Bad choice for the small projects | Good for the small projects, where requirements are static and clear Relatively big risks | ADVANTAGES DISADVANTAGES |
|---|
