and answers 2026\2027 A+ Grade
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.
- correct answer 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.
- correct answer 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.
- correct answer Domain Name Server (DNS)
Uses TWO KEYS a public and private key for performing encryption and decryption
- correct answer Public Key Encryption
PROVING you are who you say you are which can be done by: what you know, what you have!
- correct answer 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
- correct answer Presentation Tier
SYSTEMS DEPLOYMENT Steps 1. System Conversion 2. Final Documentation 3. End User Training
- correct answer 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
- correct answer ROUTER
Requires that data is KEPT secure so that they are not accidentally provided or obtained by unauthorized
users
- correct answer Confidentiality
Protecting EVERY LAYER that SURROUNDS ((( DATA )))
- correct answer 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
- correct answer THE MODEL
Creates a subset of the data by reducing the data from multiple dimensions to one dimension
- correct answer Slicing Data
The technology used in creating, maintaining, and making information accessible.
- correct answer Information Technology
In charge of all aspects of the COMPUTER NETWORKS
- correct answer Network Administrator
Focuses on the design, development, and support of DATABASE MANAGEMENT systems (DBMSs).
- correct answer Database Administrator
Installs, configures, maintains, secures, and troubleshoots web severs
- correct answer Web Administrator
Processed data.
- correct answer Information