WGU C182 Study Guide | Latest 2023 - 2024
| A+ Rated Guide | Questions and Answers (Solved)
- Application Software
Answer: Programs end users run to accomplish tasks.
- 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.
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- 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, re- quired 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.
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- 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.
- Database Server
Answer:
Permits database access across a network.Performs tasks such as data analysis, data manipulation, security, and archiving.May/may not store database itself.**MySQL is popular.
- File Server
Answer: Computer with large hard disk storing files, but can also store software to be run over network.
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