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WGU- D322 Intro to IT Exam with Verified Answers
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WGU- D322 Intro to IT Exam with Verified Answers
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WGU- D322 Intro to IT Exam with VerifiedAnswers
Administration - Answer -An administrator is in charge of some portion of the IT
infrastructure.
Network administrator - Answer -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 - Answer -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 - Answer -install, configure, and administer appropriate firewall
security to protect the organization's systems and to work proactively against such
intrusions.
Web administrator (webmaster) - Answer -also 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 - Answer -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 - Answer -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 - Answer -IPOS
Input
Processing
Output
Storage
Parts of the CPU - Answer -ALU
Control Unit
Registers
Memory - Answer -SCRAM
DRAM
ROM
I/O Subsystem - Answer -Input Devices
Output Devices
Storage Devices
Computer structure - Answer -{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) - Answer -is the device that not only executes your
programs' instructions, but also commands the various components in the computer.
Memory - Answer -stores the program(s) being executed and the data that each
program is using.
short-term and long-term storage.
I/O subsystem - Answer -subsystem includes all peripheral devices (input, output,
storage, network) where storage consists of the long-term storage devices (disk drives,
tape).
bus - Answer -is the device that permits information to move between each component.
The system unit - Answer -is a core feature of notebooks, tablets, smartphones, and
other types of computers; therefore, it comes in a variety of shapes and sizes. The
system unit contains various components that enable the PC system to run programs
and complete other important functions. Various different types of computers are likely
to have many of the same components. These include the case, which is a protective
covering, internal bays and slots that grip the internal components, buses, which are the
circuitry and electrical channels that enable communication among the electronic
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