Unit 7 Chapter 7 Review Questions‚ multiple choice‚ Key terms‚ Acronyms and Define 1. A 2. A ‚ B 3. B ‚ D 4. A 5. A 6. B ‚ D 7. A 8. C 9. C 10. D 11. C 12. A 13. A ‚ D 14. C 15. B ‚ C 16. B ‚ D 17. C 18. B ‚ D 19. A ‚ C 20. B ‚ C Key Terms switched circuit- company in reaction to signaling (the user tapping telephone keys or a modem sending in the same digits)‚ with the telco tearing down the circuit when the user is dedicated circuit- An electrical circuit created by a telco on behalf of a
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Anthony Jones NT1210 Lab 7.1-7.2 2/1/2015 7.1.1There are no limitations on WANs so they can be custom built for the size of the organization. For the purpose of organizational expansion. Exercise 7.1. The longer the distance the more chances that you have for signal loss and lack of signal strength. Exercise 7.1.3 Media Infrastructure SummaryUTP Phone Lines Used in telephone cables and computer networkingCoaxial Television Cable Include feedlines connecting radio transmitters and receivers with
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Chapter 7 Lab 7.1.1 Why is it impractical for an organization to own the entirety of a WAN? There are no limitations on WANs so they can be custom built for the size of the organization. Why is it favorable for an organization to maintain ownership of the entirety of the LAN? Because the purpose of organizational expansion. Table 7-1 WAN Physical Media Media Infrastructure Summary UTP Phone lines The quality of UTP may vary from telephone-grade wire to extremely high-speed cable. The cable
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Chapter 6 Switched Wired Networks 1) Baseband transmission dominates in LANs because it is ________ than broadband transmission. A) faster B) less expensive C) Both A and B D) Neither A nor B Answer: B 2) Using link aggregation with two or three trunk lines ________ going to a single faster Ethernet port. A) is less expensive than B) is just as fast as C) Both A and B D) Neither A nor B Answer: A 3) The 802.3 100BASETX standard is defined at the ________ layer. A) physical
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Roman Katoliko NT1210 CHAPTER 3: Building TCP/IP Networks Lab 3.1: Network Reference Models Ex 3.1.1 What would happen if wireless devices were not governed by the Wi-Fi Alliance and each vendor had its own standards and protocol? What impact would this have on your personal life or business communications? If each vendor had their own standards and protocols‚ we would have a harder time making devices that we use every day to inter-operate. Imagine buying specific BRAND of ROUTER for
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CHAPTER 1 INFORMATION TECHNOLOGY1.0 Introduction Information technology (IT) is the design‚ development‚ implementation‚ support‚ and management of computer hardware and software applications. An IT professional is knowledgeable about computer systems and operating systems. This chapter will review IT certifications and the components of a basic personal computer system.After completing this chapter‚ you will meet these objectives: * Explain IT industry certifications. * Describe a computer system
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the ARP request message and uses these values for the Targeted Hardware Address and Targeted Protocol Address of the reply message. Step 6: The destination device will update its ARP cache‚ since it need to contact the sender machine soon. Step 7: Destination device send the ARP reply message and it will NOT be a broadcast‚ but a unicast. Step 8: The source machine will process the ARP reply from destination‚ it store the Sender Hardware Address as the layer 2 address of the destination.
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Chapter 6 Summary ITT Technical Institute Introduction to Networking NT1210 October 28‚ 2013 The chapter starts out explaining how a BN (Backbone Network) works. Backbone Network: Connecting all of the LANs of an organization entails another type of network (BN). A properly designed backbone network provides a high-speed circuit that serves as the central conduit across which the LANs of an organization can communicate
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NT1210 Unit 7 Student Study Guide 1. What type of service was offered by the first Telcos? O 309 Switched Analog Circuits for Voice 2. Name the two critical components used to implement a switched analog circuit. O 309 Local Loop and Central Office 3. What type of circuit is always on and is not analog? O 312 Lease Line 4. Explain switched and dedicated circuit. O 313-315 Switched circuit is created on demand as needed. Dedicated Circuit – Constant Circuit between
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true about random-access memory (RAM) as it is normally used inside a personal computer? A.Used for short term memory E. Is installed on the motherboard 5. This chapter describes the concepts behind how a CPU reads the contents from RAM. Which of the following is true about the process of read data. As described in the chapter? A.The CPU tells the RAM which address holds data that the CPU wants to read. 6. A user file has opened a word processor‚ typed the numbers 123456789‚ and stored the
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