WGU D276 EXAM PREP TEST BANK
VERIFIED QUESTIONS AND CORRECT
ANSWERS
●● Productivity Software
Answer: Application software used to aid in productivity. I.E.
Presentation software, word processor, spreadsheets.
●● System Software
Answer: Consists of programs that make up the OS and directly support
system itself.
**Includes services or DAEMONS
●● Server Software
Answer: Works with hardware to provide network service.
●● Local Application
Answer: Software stored on an individual computer.
●● Intranet
Answer: A LAN that uses IP. Used to communicate within organization.
,●● Cloud Computing
Answer: Allows organization to access resources/app anywhere,
anytime. Beneficial because an org. may access resources it may not
normally have.
●● Operating Systems
Answer: Allows a user to easily access hardware/software, required to
maintain computer environment.
●● Kernel
Answer: Core component of OS.
Loads when computer first boots
Sits on top of hardware, is interface b/w hardware and software.
●● Device Drivers
Answer: Interface b/w OS and hardware.
●● Shell
Answer: Interface for user, often personalized. The shell provides access
to the kernel.
I.E. The GUI will translate mouse motions into calls to kernel/routines.
Desktop elements include shortcuts, windows theme, menus,
background.
, ●● Services (Daemons)
Answer: OS programs that start when OS is loaded. They run in the
background and wait for an event to initiate.
●● Utility Programs
Answer: Allow user to monitor system performance.
●● Web Server
Answer: Role is to respond to HTTP requests.
*Most HTTP requests are for HTML docs, but could include any web
accessible resource.
It's all combined into the URL.
**APACHE is most popular web server-can execute scripts for dynamic
pages, use security mechanisms, log request for trend tracking.
●● Proxy Server
Answer: A software that acts as an intermediary between a client and a
server to shield the client from adverse actions of the server.
*Also provides degree of anonymity, since IP address recorded is for
proxy server and not individual client.
*Can also be used to block requests to certain servers (i.e Facebook)
*Can reject responses that contain certain content (i.e "porn")
**SQUID is most common, but APACHE can also be used as proxy
server.
VERIFIED QUESTIONS AND CORRECT
ANSWERS
●● Productivity Software
Answer: Application software used to aid in productivity. I.E.
Presentation software, word processor, spreadsheets.
●● System Software
Answer: Consists of programs that make up the OS and directly support
system itself.
**Includes services or DAEMONS
●● Server Software
Answer: Works with hardware to provide network service.
●● Local Application
Answer: Software stored on an individual computer.
●● Intranet
Answer: A LAN that uses IP. Used to communicate within organization.
,●● Cloud Computing
Answer: Allows organization to access resources/app anywhere,
anytime. Beneficial because an org. may access resources it may not
normally have.
●● Operating Systems
Answer: Allows a user to easily access hardware/software, required to
maintain computer environment.
●● Kernel
Answer: Core component of OS.
Loads when computer first boots
Sits on top of hardware, is interface b/w hardware and software.
●● Device Drivers
Answer: Interface b/w OS and hardware.
●● Shell
Answer: Interface for user, often personalized. The shell provides access
to the kernel.
I.E. The GUI will translate mouse motions into calls to kernel/routines.
Desktop elements include shortcuts, windows theme, menus,
background.
, ●● Services (Daemons)
Answer: OS programs that start when OS is loaded. They run in the
background and wait for an event to initiate.
●● Utility Programs
Answer: Allow user to monitor system performance.
●● Web Server
Answer: Role is to respond to HTTP requests.
*Most HTTP requests are for HTML docs, but could include any web
accessible resource.
It's all combined into the URL.
**APACHE is most popular web server-can execute scripts for dynamic
pages, use security mechanisms, log request for trend tracking.
●● Proxy Server
Answer: A software that acts as an intermediary between a client and a
server to shield the client from adverse actions of the server.
*Also provides degree of anonymity, since IP address recorded is for
proxy server and not individual client.
*Can also be used to block requests to certain servers (i.e Facebook)
*Can reject responses that contain certain content (i.e "porn")
**SQUID is most common, but APACHE can also be used as proxy
server.
