Case Study 10
Compare the Windows file system to the Linux file system.
Windows - each partition is assigned a drive letter and is separate from the others;
each one has its own root directory
Linux - only one root directory and all files/subdirectories are placed
Case Study 8
How do you start the apache2 service at the command line?
Use the command rcapache2 start
Describe how to configure an Apache Web server.
Use the graphical YaST module (yast2-http-server); or
Modify Apache configuration files
Describe the qmail p
Case Study 9
How can you view the contents of your /etc/login.defs file or
By using the less command, you can view the contents of your
/etc/login.defs or /etc/default/useradd files
o Ex: less /etc/login.defs
What happens to a users f
Chapter 2 Application Layer
Bob Jones, manager of Sales and Marketing, recently read an article about the Internet in
Business Week and has raised the issue of the Internet with President Lee Coone. Jones has
asked you to help him understand the ways in w
In Windows, explain how to determine what type of hardware you
have, if you do not have the manual.
1. Click Start, then right-click Computer and select Properties
a. The CPU and RAM information will be located under the
2. Click Start,
1. For what is HTML used? What are its major parts?
HTML stands for hypertext markup language. HTML is browser
language used to create web pages. HTML was developed by the
European Particle Physics Lab (CERN) in Geneva and was
developed at the same time
1. Discuss the three categoriesfixed, fluid, and elasticof web
a. Fixed size of the web page and size of the elements
within it are set without regard to the screen resolution
(the size of everything stays the same no matter how
large the we
1. President Coone is baffled about how digital information from a computer can be sent over a
network connection. Prepare a brief position paper for management explaining the way
information is transferred from one computer to another over digital lines.
1. Discuss the limits of DTDs, using examples.
Lack of data types
Do not recognize namespaces which make them not well
suited to compound documents which several
vocabularies need to be validated
Uses a syntax called Extended Bakus-Naur Form which is
What commands does the copy in/out (cpio) utility use to generate files to be
archived and, what are the three modes of operation?
Uses the results of the ls or find command to generate files to be archived
Modes of operation:
o Copy-out - creates an
Case Study #1
1. Briefly describe the current state of NDASs office automation, system integration, and
networking. Begin by explaining how each department uses information technology, what
hardware it uses, and what functions currently are automated. Als
1. What are the problems of server-side scripts that client-side
a) Client-side programs
i. Solves the problems of server-side scripts by running
programs on the users own computer rather than
remotely off the server
b) Server-side scripts
1. Explain how DSL works.
Digital subscriber line (DSL) is a family of point-to-point
technologies that are designed to provide high-speed data
transmission over traditional telephone lines. It uses the
existing local loop cable but places different equi
1. How do LANs differ from MANs, WANs, and BNs?
Local Area Network (LAN)
o Computer network that is spanned inside of a building and
is operated under single administrative system
o Usually covers a companys offices, schools, colleges or
1. Discuss how to use CSS to apply table styles to other Web
In CSS, you can display most elements in a table style. After
determining what items are going to be table rows, table
cells, table headings, table groups and table captions and
Describe the ways to shut down a Linux system gracefully.
Use the shutdown command
Use the shutdown -h now (halt) command
Use the shutdown -r now (reboot) command
You can use a graphical utility to configure system services. What tool is used
Chapter 6A Case Study
1. Which is best for the International Services Division, a dedicated-server
network or peerto-peer LAN? Explain your choice.
The best LAN for ISD is a dedicated-server network for the following
A peer-to-peer LAN would be
Discussion Module 6
1. What are common carriers, local exchange carriers, and interexchange
Common carriers private companies (ex: AT&T, Sprint, Verizon)
that provide communication services to the public
Local exchange carrier (LEC) common car
Why should you give only read and write permission to a file that is not a
If you give read and write permission to a file that is a program and the user is
not a programmer or versed well in the system, they can unintentionally and
1. Describe the three audio file formats currently supported by
the browsers that support HTML5.
i. Most popular for downloading and storing music
ii. Compresses sound files to roughly one-tenth the
size of uncompressed files while maintaining goo
1. What are the keys to designing a successful data communication
I was not able to find the answer to this question. I have an older
2. How does the traditional approach to network design differ from the
building block approach?
Chapter 6B Case Study
1. You are responsible for designing and installing the network
infrastructure that allows each of the department heads to connect in
to the corporate WLAN from their offices. Think about the placement
and quantity of access points.
Chapter 4 Case Study
1. What does the transport layer do?
Relies on lower layers to handle the process of moving data
Act as a liaison between the abstract world of applications at
the higher layers and the concrete functions of layers 1-3
Overall job is to
1. Used in conjunction with an XML parser that supports data
validation, a DTD can be used to accomplish what?
It provides the ability to create and edit documents
It can load external files
Ensures that the document has all the requir
Case Study 5
1. Review the topics in this chapter. Prepare an agenda for your training session. The agenda
should be an outline, showing topics and subtopics with enough detail to allow the reader
to follow. Remember Bob Joness advice on what the manageme