Describe the key parts of the technology design step.
> Why are broadcast messages important?
> How can you improve the performance of a BN?
> What are the advantages and disadvantages of VLANs?
> What is IEEE 802.1q?
> What are the major parts of an email message?
> Explain how multi switch VLANs work.
> Explain how single-switch VLANs work.
> What is a module and why are modules important?
> Compare and contrast rack-based and chassis-based switched backbones.
> What the key advantages and disadvantages of routed and switched backbones?
> How does a layer 2 switch differ from a router?
> How does wired Ethernet work?
> What does a NOS do? What are the major software parts of a NOS?
> What is a cable plan and why would you want one?
> Compare and contrast category 5 UTP, category 5e UTP, and category 5 STP.
> What roles do SMTP, POP, and IMAP play in sending and receiving email on the Internet?
> What types of cables are commonly used in wired LANs?
> Describe the basic components of a wireless LAN.
> As WLANs become more powerful, what are the implications for networks of the future? Will wired LANS still be common or will we eliminate wired offices?
> Many of the wired and wireless LANs share the same or similar components (e.g., error control). Why?
> Describe the basic components of a wired LAN.
> Describe three ways to improve network performance on circuits.
> Describe three ways to improve network performance on the server.
> What is a bottleneck and how can you locate one?
> What are three special-purpose devices you might find in a data center and what do they do?
> How does the design of the data center differ from the design of the LANs intended to provide user access to the network?
> Describe how mail user agents and mail transfer agents work together to transfer mail messages.
> How do you decide how many APs are needed and where they should be placed for best performance?
> What is a site survey, and why is it important?
> What are the best practice recommendations for WLAN design?
> What are the best practice recommendations for wired LAN design?
> Explain how association works in WLAN.
> Describe at least three types of servers.
> Explain how CSMA/CA PCF works.
> Explain how CSMA/CA DCF works.
> How does Wi-Fi differ from shared Ethernet in terms of topology, media access control, and error control, Ethernet frame?
> How does Wi-Fi perform media access control?
> Can a mail sender use a two-tier architecture to send mail to a receiver using a three-tier architecture? Explain.
> Compare and contrast the two types of antennas.
> Compare and contrast cut-through, store-and-forward, and fragment-free switching.
> How do Ethernet switches know where to send the frames they receive? Describe how switches gather and use this knowledge.
> Explain the terms 100Base-T, 100Base-F, 1000Base-T, 10 GbE, and 10/100/1000 Ethernet.
> Briefly describe how CSMA/CD works.
> How does a logical topology differ from a physical topology?
> Define local area network.
> What is an RFP, and why do companies use them?
> On what should the design plan be based?
> How can a network design tool help in network design?
> Describe how a Web browser and Web server work together to send a Web page to a user.
> Why is it important to analyze needs in terms of both application systems and users? 1
> What is the most important principle in designing networks?
> Describe the three major steps in current network design.
> For what types of networks are network design tools most important? Why?
> Why do you think some organizations were slow to adopt a building-block approach to network design?
> How does the traditional approach to network design differ from the building-block approach?
> Is it important to have the fastest wireless LAN technology in your apartment? What about in the library of your school? Explain.
> What is a bottleneck, and why do network managers care about them?
> What are typical speeds for the LAN, building backbone, and campus backbone? Why?
> For what is HTML used?
> What is the difference between a building backbone and a campus backbone, and what are the implications for the design of each?
> What are the seven network architecture components?
> What is the turnpike effect, and why is it important in network design?
> What issues are important to consider in explaining a network design to senior management?
> What is a network baseline, and when is it established?
> What are some major problems that can cause network designs to fail?
> What are the key parts of an RFP?
> What are the keys to designing a successful data communications network?
> How does dynamic addressing work?
> What is a subnet mask?
> For what is HTTP used? What are its major parts?
> What is a subnet and why do networks need them?
> How does TCP establish a session?
> How is TCP different from UDP?
> Compare and contrast the three types of addresses used in a network.
> What are the parts of TCP/IP and what do they do? Who is the primary user of TCP/IP?
> Describe the anatomy of a router. How does a router differ from a computer?
> What is the transmission efficiency of a 5,000-byte file sent in response to a Web request HTTP, TCP/IP, and Ethernet? Assume that the HTTP packet has 100 bytes in addition to the 5,000-byte file. Assume that the maximum packet size is 1,200 bytes. Remem
> What is the transmission efficiency of a 1,000-byte file sent in response to a Web request HTTP, TCP/IP, and Ethernet? Assume that the HTTP packet has 100 bytes in addition to the 1,000-byte file. Remember from Chapter 4 that deficiency = user data/total
> What is the transmission efficiency of a 10-byte Web request sent using HTTP, TCP/IP, and Ether-net? Assume that the HTTP packet has 100 bytes in addition to the 10-byte URL. Remember from Chapter 4 that deficiency = user data/total transmission size.
> What type of routing does a TCP/IP client use? What type of routing does a TCP/IP gateway use? Explain.
> What is a network computer?
> How does static routing differ from dynamic routing? When would you use static routing? When would you use dynamic routing?
> Why does HTTP use TCP and DNS use UDP?
> Explain how the client computer in Figure5-16 (128.192.98.xx) would obtain the data link layer address of its subnet router.
> Explain how multicasting works.
> What does the network layer do?
> Compare and contrast unicast, broadcast, and multicast messages.
> What is QoS routing and why is it useful?
> What is a session?
> What are the differences between connectionless and connection-oriented messaging?
> How does decentralized routing differ from centralized routing?
> Compare and contrast the three cloud computing models.
> What are the different types of application architectures?
> Which is best for the International Services Division, a dedicated-server network or peer-to-peer LAN? Explain your choice. 2. Draw a network plan using Microsoft Visio that includes the general layout of the LAN (computers, servers, cables, hubs/switche
> One important issue in designing Ethernet lies in making sure that if a computer transmits a frame, any other computer that attempts to transmit at the same time will be able to hear the incoming frame before it stops trans- mitting, or else a collision
> Computer Dynamics is a microcomputer software development company that has a 300-computer network. The company is located in three adjacent five-story buildings in an office park, with about 100 computers in each building. The LANs in each building are s
> 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 Jones' advice on what the management and staff wi
> Suppose that you are the network manager for Central University, a medium-sized university with 13,000 students. The university has 10 separate colleges (e.g., business, arts, journalism), 3 of which are relatively large (300 faculty and staff members, 2
> What file transfer protocols would you recommend? Be prepared to support your recommendations. 2. Prepare a brief position paper on the types of errors you can expect in the NDAS network and the steps you believe NDAS can take to prevent, detect, and cor
> Smith, Smith, Smith, and Smith is a regional accounting firm that is putting up a new headquarters building. he building will have a backbone network that connects eight LANs (two on each floor). he company is very concerned with network errors. What adv