Review items for Open-Book, Open-Note Quiz
Networks and Telecommunications
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Identify
 What are protocols?
 Know what an IP address looks like. I may show you a number and ask you if it is an IP address
(or not).
 What is a network?
 What is a VPN?
Describe
 Know the difference between the different elements of the Client/Server model: Data Management
vs Presentation vs Business Logic.
 Be able to define or explain the following terms or concepts: modem, LAN, WAN, Ethernet,
router, peer-to-peer network, and client/server network. Know examples of each.
 What is the difference between telecommunications and a network? What are the benefits of a
network and what are you able to use a network for?
 What are the roles of the network operating system, packet switching and routers?
 Make sure that you review the network data transfer process slide.
 What are the purpose of Ethernet, its characteristics, and what is it trying to do?
 What is a VPN? How is it used? What are its characteristics?
Evaluate
 Know the characteristics, advantages, and disadvantages of both the peer-to-peer network and the
client/server model.
 What characteristics make a local area network different from a wide area network?
 Make sure that you know the differences between TCP and IP. Know how each one is used and/or
what it does. How does packet switching work? How is the IP address used? What is the
difference between an IP address in a LAN environment vs a dial-up environment?
 Make sure that you review the TCP/IP four-layer reference model. Know what each layer is
called, its components and what those components each do. This information can be found in the
Haag Telecom pdf reading file linked from the lecture schedule, which is also found at:
http://online.ksu.edu/COMS/player/content?id=YBH3i74twBR
You will see several questions regarding the four layers and their various components.
 One of the things that traditionally gives students problems on the exam deals with how the
Internet actually works. The following link is a direct link to the source of the information that I
presented in class. Link to how the Internet actually works.
 Link to Easier to Understand Information Covering Networks
 Make sure that you know the details about, and differences between, each layer in the TCP/IP
four- layer reference model. EXPECT TO SEE 5-6 QUESTIONS related to the specific
components of this model (maybe even 1 question per layer).
 Compare and contrast TCP/IP. What are the characteristics of each and when/where is it used?
 Make sure that you review the TCP/IP four-layer reference model. Know what each layer is
called, its components and what those components each do. You will see several questions
regarding the four layers and their various components.
 Know the characteristics, advantages, and disadvantages of both the peer-to-peer network and the
client/server model.
Wireless LANs: All of these items will be tested at the Describe and Evaluate levels.
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What are some of the characteristics of wireless LANs? What is needed, how are they created, and how do
communications occur?
What is Bluetooth? What are the characteristics of Bluetooth and why is it used?
What are the characteristics of a PAN? (Personal Area Network)
How are wireless LANs different than wired LANs?
Link to wireless LAN info at KSU (forms the basis of our class presentation)
Know the differences between the various 802.11 standards (a vs b vs g vs n). What are the characteristics
of each 802.11 standard?