WGU D322 Introduction to IT Exam Questions with Correct Answers
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Course
WGU D322 Introduction to IT
Institution
WGU D322 Introduction To IT
WGU D322 Introduction to IT Exam Questions with Correct Answers
Network Hub - Answer-Connects computers to each other with no real understanding of what is being transferred; used for private networks with local computers.
Network Switch - Answer-Like a hub, but this will only send data that ...
WGU D322 Introduction to IT Exam
Questions with Correct Answers
Network Hub - Answer-Connects computers to each other with no real understanding of
what is being transferred; used for private networks with local computers.
Network Switch - Answer-Like a hub, but this will only send data that is intended for a
specific computer.
Router - Answer-Connects multiple networks together; can be used to directly connect
computers to a network; will relay messages to computers with appropriate IP
addresses
Wireless Access Point - Answer-Can be connected to hub, switch, or router; many
routers now also act as a wireless access point; sends out a wireless signal so
computers on the network can connect without a cable
Circuit Switched Network - Answer-Requires that a full pathway, or circuit, be est.
before transmission can begin and maintained during the entire transmission; like
calling someone on the phone
Packet Switched Network - Answer-A message's pathway is only est. as it is sent; the
choice of pathway is based on availability and amount of message traffic
Workstations - Answer-Creates and maintains client network connections to remote
servers
Virtual Machine (VM) - Answer-A software emulator program that permits a computer
user to use multiple computers and multiple platforms without the expense of
purchasing multiple computers; allows a user to run software for different OS platform in
their computer that would not otherwise be able to run that software; this allows multiple
users on a network to access the software to support collaboration.
Server - Answer-Computers that have greater hard disk storage, faster response time
and are used to respond to request from other computers on the network
Client-server Network - Answer-Contains one or more servers; client is a computer that
will request information from another computer; server is a computer that takes requests
and responds with the requested information; the software used facilitates
communication with remote servers
File Server - Answer-Sends files over the network at the request of clients.
,Responds over LAN, within one location/site.
Support both application software and data files.
Web Server - Answer-Stores data files (web pages) and programs (scripts).
Responds from anywhere on the Internet.
Database Server - Answer-Responds to queries by pulling from the database.
Typically only to local clients.
Print Server - Answer-Monitors print jobs
Mail Server - Answer-Two email servers communicate with each other
FTP Server - Answer-Like web server or file server in that requests are for files and
responses are the files; data delivered between client and server.
Point-to-Point Network - Answer-Link between two resources; links two routers without
any host or network in between
Bus Network - Answer-Devices connected along a single cable.
Size of network is restricted.
Star Network - Answer-Each device is connected to a central devices such as a hub or
switch.
Ring Network - Answer-Each device is connected directly to its neighbors, and
messages are forwarded from device to device until the proper destination is reached.
Mesh Network - Answer-Every device is connected directly to every other device in the
network.
Domain Name Server (DNS) - Answer-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.
Parts of URL (Uniform Resource Locator) - Answer-Protocol, Domain name,
Resource/Filename
Domain Name - Answer-Identifies the server on which the web page can be found
Domain Name Parts - Answer-Top level domain (TLD) name and Host name
, Host Name - Answer-Identifies the organization that is responsible for the information
on the page or provides the server space where the information is stored
TLD(Top Level Domain) Name - Answer-Always ends with a period and a three or two
letter extension which signifies the type of organization or country associated with the
page
Resource/Filename ID - Answer-Indicates the name of the file you are accessing, or the
location of the document on the server
CIA - Answer-Confidentiality, Integrity, Availability
Confidentiality - Answer-Requires that data bet kept secure so that they are not
accidentally provided or obtained by unauthorized users
Integrity - Answer-Requires that data is correct
Availability - Answer-Requires that information is available when needed
Data Integrity Efforts - Answer-1st - Must include a component that ensures the
accuracy of the collected data
2nd - Must be entered into the system accurately
3rd - Data modification must be tracked
Strategic Risk Analysis - Answer-1. Identify the organization's information assets
2. Identify vulnerabilities of each asset
3. Determine threats
4. Prioritizing risks
5. Develop and enact policies that will reduce threats
Information Technology - Answer-The technology used in creating, maintaining, and
making information accessible.
IT Professional Roles - Answer-Administration and Support
System Administrator - Answer-Maintains all aspects of the system including hardware,
software, and programming.
Network Administrator - Answer-In charge of all aspects of the computer network
Database Administrator - Answer-Focuses on the design, development, and support of
database management systems (DBMSs).
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