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business communication essentials
Business Data Communications And Networking 10th Edition Jerry FitzGerald, Alan Dennis - Solutions
Explain how switched backbones work.
Where are routed backbones most commonly used?
Explain how routed backbones work.
What are the three technology layers important in backbone design?
What is an enterprise network?
Under what circumstances would you want to use a multiprotocol router?
Under what circumstances would you want to use a router?
How does a router differ from a layer-3 switch?
How does a layer-2 switch differ from a layer-3 switch?
Compare and contrast switches, routers, and gateways.
What do you think the future is for public access Wi-Fi? Should towns and cities be encouraged to build or be prohibited from building such networks?
What do you think are the future prospects for Wi-Fi versus WiMAX? Why?
Many of the wired and wireless LANs share the same or similar components(e.g., error control). Why?
As IEEE 802.11n becomes widely available, what are the implications for networks of the future? Will 100Base-T still be around or will we eliminate wired offices?
Given the dramatic changes ahead in WLANs(e.g., IEEE 802.11), would you install a WLAN today? Explain.
Some people believe Bluetooth is a revolution while others see it as a simple replacement for cables among devices. What do you think? Is Bluetooth a revolution?
What do you think WLAN security will look like in 3 years?
Are today’s WLANs secure? Explain.
Explain how 802.11i works.
Explain how EAP works.
Explain how WEP works.
Explain how SSID works.
What are wardriving and warchalking?
Why is security important for WLANs?
How much overlap should be provided between APs? Why?
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?
Explain the topology and media access control of Bluetooth.
How does a WPAN differ from a WLAN?
Which type of WiMAX do you think has the greatest future prospects? Why?
Is WiMAX a competitor to Wi-Fi? Explain.
Compare and contrast the two types of WiMAX.
Explain the topology and media access control of WiMAX.
How do the effective data rates for Wi-Fi technologies compare to their nominal data rates?
Explain how CSMA/CA PCF works.
Explain how CSMA/CA DCF works.
How does roaming work?
How does Wi-Fi differ from shared Ethernet in terms of topology, media access control, and error control?
What data rates are provided by the different types of Wi-Fi?
How does 802.11g differ from 802.11b and 802.11a?
What are the types of Wi-Fi?
How does Wi-Fi perform media access control?
What are two ways in which an omnidirectional antenna differs from a directional antenna?
Compare and contrast the two types of antennas.
How do the NIC and AP work together to transmit messages in an 802.11b WLAN?
Describe the basic components of a wireless network.
Under what circumstances is switched Ethernet preferred to shared Ethernet? Under what circumstances is shared Ethernet preferred to switched Ethernet?
Is 1 GbE Ethernet really “Ethernet?” Explain.
Compare and contrast cut through, store and forward, and fragment-free switching.
It is said that hooking some computers together with a cable does not make a network. Why?
Why does network segmentation improve LAN performance?
Describe three ways to improve network performance on the circuit.
Describe three ways to improve network performance on the server.
What is a bottleneck and how can you locate one?
What are the primary advantages and disadvantages of switched Ethernet?
How do layer-2 Ethernet switches know where to send the frames they receive? Describe how switches gather and use this knowledge.
How does switched Ethernet differ from traditional Ethernet?
Explain the terms 100Base-T, 100Base-F, 1000Base-T, 10 GbE, and 10/100 Ethernet.
Briefly describe how CSMA/CD works.
How does a logical topology differ from a physical topology?
What is Ethernet? How does it work?
What is a network profile?
What is the most important characteristic of a NOS?
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 type of cables are commonly used in LANs?
What media do LANs normally use?
What is a NIC? What is a hub?
Describe at least three types of servers.
In some LANs, most of the computers talk with the server, but others use no server. What are these two approaches called?
Discuss why it is important for organizations to enforce policies restricting use of employee-owned hardware and software and unauthorized copies of software.
Discuss the legal issue of using single-computer license software on networks.
What is the function of LAN metering software?
What are two reasons for developing LANs?
What are the distinguishing features of a LAN?
Define local area network.
What is the transmission efficiency of a 5,000-byte file sent in response to a Web request HTTP, TCP/IP, and Ethernet? Assume the HTTP packet has 100 bytes in addition to the 5,000-byte file. Assume that the maximum packet size is 1,200 bytes. Hint:Remember from Chapter 4 that efficiency =user
What is the transmission efficiency of a 1,000-byte file sent in response to a Web request HTTP, TCP/IP, and Ethernet?Assume the HTTP packet has 100 bytes in addition to the 1,000-byte file.Hint: Remember from Chapter 4 that efficiency = user data/total transmission size.
What is the transmission efficiency of a 10-byte Web request sent using HTTP, TCP/IP, and Ethernet? Assume the HTTP packet has 100 bytes in addition to the 10-byte URL. Hint: Remember from Chapter 4 that efficiency = 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.
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 Figure 5.14(128.192.98.xx) would obtain the data link layer address of its subnet router.
Explain how multicasting works.
Compare and contrast unicast, broadcast, and multicast messages.
What is QoS routing and why is it useful?
What are the differences between connectionless and connection-oriented messaging?
How does decentralized routing differ from centralized routing?
What is routing?
How does TCP/IP perform address resolution from IP addresses into data link layer addresses?
How does TCP/IP perform address resolution from URLs into network layer addresses?
What is address resolution?
What benefits and problems does dynamic addressing provide?
How does dynamic addressing work?
What is a subnet mask?
What is a subnet and why do networks need them?
How does TCP establish a session?
How is TCP different from UDP?
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