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C182 INTRODUCTION TO IT OBJECTIVE ASSESSMENT VISUAL WESTERN GOVERNORS’ UNIVERSITY
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C182 INTRODUCTION TO IT OBJECTIVE ASSESSMENT VISUAL WESTERN GOVERNORS’ UNIVERSITY
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C182 INTRODUCTION TO ITOBJECTIVE ASSESSMENT VISUAL
WESTERN GOVERNORS’ UNIVERSITY
,WGU C182 Objective Assessment Visual
Flashcards
Evolution of Users
First users were the engineers who built and programmed
computers, then employees who had received specialized
training were users, and now today, anyone and everyone
can be a user.
FILE SERVER
Sends files over the network at the request of clients.
Responds over LAN, within one location/site.
Support both application software and data files.
Domain Name Server (DNS)
Turns a user-friendly domain name, like Google.com, into
an Internet Protocol (IP) address like ((( 70.42.251.42 )))
that computers use to identify each other on the network.
Public Key Encryption
Uses TWO KEYS a public and private key for performing
encryption and decryption
, Authentication
PROVING you are who you say you are which can be done
by:
what you know, what you have!
Presentation Tier
TIER WHERE THE USER interface for the system is
developed; SHIELDS THE USER from the underlying logic of
the systems as well as the underlying data structures
SYSTEMS DEPLOYMENT Steps System Deployment
1. System Conversion
2. Final Documentation
3. End User Training
CONNECTS MULTIPLES networks together; can be used to
directly connect computers to a network; will relay
messages to computers with APPROPRIATE IP ADDRESS
ROUTER
Requires that data is KEPT secure so that they are not
accidentally provided or obtained by unauthorized users
Confidentiality
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