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D322 - Introduction to IT - Final Exam Study Guide with complete solutions
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D322 - Introduction to IT - Final Exam Study Guide
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D322 - Introduction to IT - Final ExamStudy Guide
Administration
An administrator is in charge of some portion of the IT infrastructure
Network administrator
oversees all aspects of the computer network. The network administrator's duties
include physically laying down cable, making connections, and working with the network
hardware (for
instance, routers and switches).
Database administrator
focus on the design, development, and support of database management systems
(DBMSs). Tasks will include installation, maintenance, performance analysis, and
troubleshooting as with the
other administrative areas
Security administrator
install, configure, and administer appropriate firewall security to protect the
organization's systems and to work proactively against such intrusions.
Web administrator
also known as a webmaster, but more precisely referred to as a web server administrator.
This role is responsible for maintaining web storage, which differs from the development of
web storage.
Specifically, the web administrator must install, configure, maintain, secure, and troubleshoot
the web server.
Define Information Technology:
, IT is a term used to describe several aspects: the task of gathering data and processing it into
information, the
ability to disseminate information using technology, the technology itself that permits these
tasks, and the
collection of people who are in charge of maintaining the IT infrastructure (the computers, the
networks, and
the operating systems). Generically, we will consider IT to be the technology used in creating,
maintaining, and
making information accessible. In other words, IT combines people with computing resources,
software, data,
and computer networks.
Information technology
describes the technology infrastructure that may support information systems,
although Information Technology could also support many other types of systems (e.g.,
telecommunications
systems). Information Technology includes hardware, software, networks, and databases that
work together to
allow an organization to manage data and information.
A computer performs four operations:
input, processing, output, storage
Computer structure:
CPU
the device that not only executes your programs' instructions, but also commands the various
components in the computer.
Memory
stores the program(s) being executed and the data that each program is
Updated 2/4/2023
using.
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