WGU- D322 Intro to IT Exam 100%
Correct!!
Administration - ANSWERSAn administrator is in charge of some portion of the IT infrastructure.
Network administrator - ANSWERSoversees 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 - ANSWERSfocus 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 - ANSWERSinstall, configure, and administer appropriate firewall security to
protect the organization's systems and to work proactively against such intrusions.
Web administrator (webmaster) - ANSWERSalso known as a webmaster, but more precisely referred to
as a web server administrator. This role is responsible for maintaining web storages, 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 - ANSWERSIT 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 - ANSWERSdescribes 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 - ANSWERSIPOS
Input
Processing
Output
Storage
Parts of the CPU - ANSWERSALU
Control Unit
Registers
Memory - ANSWERSSCRAM
DRAM
ROM
I/O Subsystem - ANSWERSInput Devices
Output Devices
Storage Devices
Computer structure - ANSWERS{CPU (ALU, Control Unit, Registers)
System Bus
Memory(SCRAM, DRAM, ROM)}
I/O Bus
{I/O Subsystem (Input Devices, Output decides, Storage Devices)}
CPU (Central Processing Unit) - ANSWERSis the device that not only executes your programs'
instructions, but also commands the various components in the computer.
Memory - ANSWERSstores the program(s) being executed and the data that each program is using.
