age 1 of 136
WGU C182 Introduction to IT Objective Latest Official
Exam
Buffer .......Answer.........Physical memory storage used to
temporarily store data while being moved from one place to
another; can read faster than RAM but cannot store as much.
LAN .......Answer.........Local Area Network; connects computers
within a limited area such as a school or business.
Database Driver .......Answer.........A program that implements a
protocol for connecting to a database,
Dumb Terminal .......Answer.........A display monitor that has no
processing capabilities.
,age 2 of 136
ASCII .......Answer.........The first character encoding standard;
represents English characters as numbers, with each letter
assigned a number from 0 to 127.
Unicode .......Answer.........Defines the internal text coding system
in nearly all operating systems; assigns each character a unique
number.
Motherboard .......Answer.........The main circuit board of a
computer; it holds and allows communication between many
electronic system components, such as the CPU and memory, and
provides connectors for other peripherals.
Non-Volatile Memory .......Answer.........Memory that retains
contents when power is turned off, such as ROM; RAM is volatile.
Telnet .......Answer.........Allows a user to communicate with a
remote device; does not use encryption.
,age 3 of 136
SSH (Secure Shell) .......Answer.........Allows a user to communicate
with a remote device; does use encryption.
Integer .......Answer.........A whole number (non-fraction) that can
be positive, negative, or zero, but it cannot have decimal places.
ETL .......Answer.........Extract Transform, Load; process of
extracting data, transforming it for purposes of analysis, and
loading it into the final target database.
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. .......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. .......Answer.........FILE SERVER
, age 4 of 136
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.
.......Answer.........Domain Name Server (DNS)
Uses TWO KEYS a public and private key for performing
encryption and decryption .......Answer.........Public Key Encryption
PROVING you are who you say you are which can be done by:
what you know, what you have! .......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
.......Answer.........Presentation Tier
WGU C182 Introduction to IT Objective Latest Official
Exam
Buffer .......Answer.........Physical memory storage used to
temporarily store data while being moved from one place to
another; can read faster than RAM but cannot store as much.
LAN .......Answer.........Local Area Network; connects computers
within a limited area such as a school or business.
Database Driver .......Answer.........A program that implements a
protocol for connecting to a database,
Dumb Terminal .......Answer.........A display monitor that has no
processing capabilities.
,age 2 of 136
ASCII .......Answer.........The first character encoding standard;
represents English characters as numbers, with each letter
assigned a number from 0 to 127.
Unicode .......Answer.........Defines the internal text coding system
in nearly all operating systems; assigns each character a unique
number.
Motherboard .......Answer.........The main circuit board of a
computer; it holds and allows communication between many
electronic system components, such as the CPU and memory, and
provides connectors for other peripherals.
Non-Volatile Memory .......Answer.........Memory that retains
contents when power is turned off, such as ROM; RAM is volatile.
Telnet .......Answer.........Allows a user to communicate with a
remote device; does not use encryption.
,age 3 of 136
SSH (Secure Shell) .......Answer.........Allows a user to communicate
with a remote device; does use encryption.
Integer .......Answer.........A whole number (non-fraction) that can
be positive, negative, or zero, but it cannot have decimal places.
ETL .......Answer.........Extract Transform, Load; process of
extracting data, transforming it for purposes of analysis, and
loading it into the final target database.
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. .......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. .......Answer.........FILE SERVER
, age 4 of 136
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.
.......Answer.........Domain Name Server (DNS)
Uses TWO KEYS a public and private key for performing
encryption and decryption .......Answer.........Public Key Encryption
PROVING you are who you say you are which can be done by:
what you know, what you have! .......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
.......Answer.........Presentation Tier
