EXAM||QUESTIONS AND CORRECT
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Application Software -CORRECT ANSWER Programs end users run to accomplish
tasks.
Productivity Software -CORRECT ANSWER Application software used to aid in
productivity. I.E. Presentation software, word processor, spreadsheets.
Internet Usage Software -CORRECT ANSWER Email, FTP client, web browser
System Software -CORRECT ANSWER Consists of programs that make up the OS and
directly support system itself.
**Includes services or DAEMONS
Server Software -CORRECT ANSWER Works with hardware to provide network
service.
Local Application -CORRECT ANSWER Software stored on an individual computer.
Intranet -CORRECT ANSWER A LAN that uses IP. Used to communicate within
organization.
Cloud Computing -CORRECT ANSWER Allows organization to access resources/app
anywhere, anytime. Beneficial because an org. may access resources it may not
normally have.
Operating Systems -CORRECT ANSWER Allows a user to easily access
hardware/software, required to maintain computer environment.
Kernel -CORRECT ANSWER Core component of OS.
Loads when computer first boots
Sits on top of hardware, is interface b/w hardware and software.
Device Drivers -CORRECT ANSWER Interface b/w OS and hardware.
Shell -CORRECT 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) -CORRECT ANSWER OS programs that start when OS is loaded.
They run in the background and wait for an event to initiate.
Utility Programs -CORRECT ANSWER Allow user to monitor system performance.
Web Server -CORRECT 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 -CORRECT ANSWER Acts as a giant cache and allows pages accessed
frequently in an organization to be accessed locally.
*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 -CORRECT ANSWER Permits dB access across a network.
Performs tasks such as data analysis, data manipulation, security,and archiving.
May/may not store database itself.
**MySQL is popular.
FTP Server -CORRECT ANSWER Hosts files and allows clients access to files.
Access is in form of uploading/downloading files.
Requires either user has an account or logs in as anonymous user.
File Server -CORRECT ANSWER Computer with large hard disk storing files, but can
also store software to be run over network.
Email Server -CORRECT ANSWER Provides email service.
Accepts email request from clients.
IMAP,POPS,HTTP,MAPI,MIME
String Data -CORRECT ANSWER Alphanumeric or text
Ex: James (Last name)
623 Hill Street
Number Integer -CORRECT ANSWER Numeric data, whole numbers.
Ex: 4