2026/2027 Exam Questions with Correct Answers
| Graded A+ PDF
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.
Evolution of Users
Sends files over the network at the request of clients. Responds over LAN,
within one location/site. Support both application software and data files.
FILE SERVER
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.
Domain Name Server (DNS)
Uses TWO KEYS a public and private key for performing encryption and
decryption
Public Key Encryption
PROVING you are who you say you are which can be done by: what you
know, what you have!
Authentication
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
,Presentation Tier
SYSTEMS DEPLOYMENT Steps 1. System Conversion 2. Final
Documentation 3. End User Training
System Deployment
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
Protecting EVERY LAYER that SURROUNDS ((( DATA )))
Defense in Depth
Can take on DIFFERENT FORMS depending on the complexity of the
application; in certain instances, it is AN ACTUAL OBJECT that is an
ACTUAL IMPLEMENTATION of the application
THE MODEL
Creates a subset of the data by reducing the data from multiple
dimensions to one dimension
Slicing Data
The technology used in creating, maintaining, and making information
accessible.
Information Technology
In charge of all aspects of the COMPUTER NETWORKS
Network Administrator
, Focuses on the design, development, and support of DATABASE
MANAGEMENT systems (DBMSs).
Database Administrator
Installs, configures, maintains, secures, and troubleshoots web severs
Web Administrator
Processed data.
Information
INFORMATION THAT HAS BEEN PUT TO USE information placed into a
context. Refined information such that the user of the knowledge is able to
call forth only relevant portions of information when needed.
Knowledge in DIKW
Provides a social setting to knowledge; AN UNDERSTANDING OF THE (((
WHY ))) Can only come by having BOTH KNOWLEDGE and EXPERIENCE
WISDOM
The INPUT Processing, OUTPUT, STORAGE Cycle
I.P.O.S.
Raw data is organized or structured for usefulness.
PROCESSED DATA
Information is output so user can see results.
OUTPUT DATA
Processed information is stored for permanent record.
STORAGE
A collection of components that work together to meet the needs of the
user; typically : CATEGORIZED AS EITHER HARDWARE, SOFTWARE,
NETWORKS AND USERS