Quiz-10 - QUIZ PDF

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Business Data Networks and Security, 11e (Panko) Chapter 10 Carrier Wide Area Networks (WANs) 1) A network that runs on the customer premises is a ________. A) LAN B) WAN C) both A and B D) neither A nor B Answer: A Difficulty: Basic Question: 1a Objective: Contrast LANs and WANs. AACSB: Applying Information Technology 2) Which of the following receive rights of way for transmission beyond sites? A) corporations B) carriers C) both A and B D) neither A nor B Answer: B Difficulty: Basic Question: 1b Objective: Contrast LANs and WANs. AACSB: Applying Information Technology, Application of Knowledge 3) A WAN is the network that ________. A) links different sites together B) provides service within about a mile C) provides service within a site D) all of the above Answer: A Difficulty: Basic Question: 1c Objective: Contrast LANs and WANs. AACSB: Applying Information Technology 4) A company has more control over its ________ technology. A) LAN B) WAN C) It has about equal control over both. Answer: A Difficulty: Basic Question: 1d Objective: Contrast LANs and WANs. AACSB: Applying Information Technology, Application of Knowledge

5) Which of the following usually offers higher speeds? A) LANs B) WANs C) Both A and B are about equal in typical speeds. Answer: A Difficulty: Basic Question: 2a Objective: Contrast LANs and WANs. AACSB: Applying Information Technology 6) LAN speeds are faster than WAN speeds because of ________. A) technological limitations B) regulatory limitations C) slow corporate adoption of newer WAN technologies D) economic reasons Answer: D Difficulty: Deeper Question: 2a Objective: Contrast LANs and WANs. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 7) Which of the following has more diversity in technologies? A) LANs B) WANs C) Both A and B are about equal in diversity of technologies. Answer: B Difficulty: Basic Question: 2c Objective: Contrast LANs and WANs. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 8) MAN speeds are faster than WAN speeds because of ________. A) technological limitations B) regulatory limitations C) slow corporate adoption of newer WAN technologies D) economic reasons Answer: D Difficulty: Deeper Question: 3a Objective: Contrast LANs and WANs. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge

9) LANs are ________. A) single networks B) local internets C) either A or B D) neither A nor B Answer: C Difficulty: Deeper Question: 3b Objective: Contrast LANs and WANs. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 10) WANs include ________. A) single networks B) the Internet C) either A or B D) neither A nor B Answer: C Difficulty: Deeper Question: 3c Objective: Contrast LANs and WANs. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 11) The Internet is a ________. A) LAN B) WAN C) both A and B D) neither A nor B Answer: B Difficulty: Deeper Question: 3d Objective: Contrast LANs and WANs. AACSB: Applying Information Technology, Application of Knowledge 12) Which of the following does the carrier NOT own? A) the network core B) customer premises equipment C) both A and B D) neither A nor B Answer: B Difficulty: Basic Question: 4c Objective: Describe Carrier WAN components. AACSB: Applying Information Technology, Application of Knowledge

13) Which of the following is a common use for carrier WANs? A) to connect corporate sites B) to connect a corporate site to the Internet C) both A and B D) neither A nor B Answer: C Difficulty: Basic Question: 4d Objective: Describe Carrier WAN components. AACSB: Applying Information Technology, Application of Knowledge 14) Compared to the Internet, carrier WANs ________. A) offer higher-quality service B) can reach more customers C) both A and B D) neither A nor B Answer: A Difficulty: Deeper Question: 4e Objective: Describe Carrier WAN components. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 15) Which of the following allows you to connect to the hosts of almost any corporation today? A) carrier WANs B) the Internet C) both A and B Answer: B Difficulty: Deeper Question: 4f Objective: Describe Carrier WAN components. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 16) How do WAN carriers typically get their trunk lines? A) They construct them. B) They lease them from telephone companies. C) They use wireless transmission. D) They use the Internet. Answer: B Difficulty: Basic Question: 5a Objective: Describe the Public Switched Telephone Network is organized and how it is used in carrier WANs. AACSB: Applying Information Technology, Application of Knowledge

17) In a telephone system, the lines that connect customers to the nearest switch are called ________. A) trunk lines B) local lines C) the access loop D) the local loop Answer: D Difficulty: Basic Question: 5b Objective: Describe the Public Switched Telephone Network is organized and how it is used in carrier WANs. AACSB: Applying Information Technology 18) Most end-office switches are Class ________ switches. A) 1 B) 2 C) 4 D) 5 Answer: D Difficulty: Deeper Question: 5c Objective: Describe the Public Switched Telephone Network is organized and how it is used in carrier WANs. AACSB: Applying Information Technology 19) The PSTN core is organized as a ________. A) mesh B) hierarchy C) modified hierarchy D) loop Answer: C Difficulty: Basic Question: 5d Objective: Describe the Public Switched Telephone Network is organized and how it is used in carrier WANs. AACSB: Applying Information Technology 20) DSL offers ________. A) voice transmission B) data transmission C) both A and B D) neither A nor B Answer: C Difficulty: Basic Question: 6a Objective: Explain and compare ADSL, cable modem service, and fiber to the home. AACSB: Applying Information Technology

21) DSL residential service provides ________. A) symmetric speed B) asymmetric speed C) both A and B D) neither A nor B Answer: B Difficulty: Basic Question: 6b Objective: Explain and compare ADSL, cable modem service, and fiber to the home. AACSB: Applying Information Technology 22) Asymmetric residential service is good for ________. A) the World Wide Web B) videoconferencing C) both A and B D) neither A nor B Answer: A Difficulty: Deeper Question: 6b Objective: Explain and compare ADSL, cable modem service, and fiber to the home. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 23) What transmission medium do ALL DSL services use? A) one-pair data-grade UTP B) two-pair data-grade UTP C) one-pair voice-grade UTP D) none of the above Answer: C Difficulty: Basic Question: 6c Objective: Explain and compare ADSL, cable modem service, and fiber to the home. AACSB: Applying Information Technology 24) Which of the following already runs to nearly all customer premises? A) 4-pair UTP B) 1-pair VG UTP C) 1-pair DG UTP D) 2-pair DG UTP Answer: B Difficulty: Basic Question: 6c Objective: Explain and compare ADSL, cable modem service, and fiber to the home. AACSB: Applying Information Technology 25) In ADSL, the customer should have ________. A) splitters

B) an ADSL modem C) both A and B D) neither A nor B Answer: C Difficulty: Basic Question: 6d Objective: Explain and compare ADSL, cable modem service, and fiber to the home. AACSB: Applying Information Technology 26) In ADSL, the residential customer needs a(n) ________. A) DSLAM B) ADSL modem C) both A and B D) neither A nor B Answer: B Difficulty: Basic Question: 6d Objective: Explain and compare ADSL, cable modem service, and fiber to the home. AACSB: Applying Information Technology, Application of Knowledge 27) For ADSL service, which of the following typically must be added to the telephone system? A) a DSLAM B) a transmission line to the customer premises C) both A and B Answer: A Difficulty: Deeper Question: 6e Objective: Explain and compare ADSL, cable modem service, and fiber to the home. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 28) The promise of FTTH is ________. A) higher speed B) lower cost C) both A and B D) neither A nor B Answer: A Difficulty: Basic Question: 6f Objective: Explain and compare ADSL, cable modem service, and fiber to the home. AACSB: Applying Information Technology 29) Fiber to the home service is normally offered by ________. A) cable television companies B) telephone companies C) both A and B D) neither A nor B Answer: C

Difficulty: Basic Question: 6g Objective: Explain and compare ADSL, cable modem service, and fiber to the home. AACSB: Applying Information Technology 30) For their transmission medium, cable television companies primarily use ________. A) 2-pair VG UTP cabling B) 2-pair DG UTP cabling C) coaxial cable D) 4-pair UTP Answer: C Difficulty: Basic Question: 7a Objective: Explain and compare ADSL, cable modem service, and fiber to the home. AACSB: Applying Information Technology 31) In coaxial cable, the two conductors ________. A) run side-by-side B) are twisted around each other C) both A and B D) neither A nor B Answer: D Difficulty: Basic Question: 7b Objective: Explain and compare ADSL, cable modem service, and fiber to the home. AACSB: Applying Information Technology, Application of Knowledge 32) Two-way amplifiers are needed for cable ________ service. A) television B) data C) both A and B D) neither A nor B Answer: B Difficulty: Basic Question: 7d Objective: Explain and compare ADSL, cable modem service, and fiber to the home. AACSB: Applying Information Technology

33) For cable modem service, customers need ________. A) cable modems B) splitters C) both A and B D) neither A nor B Answer: A Difficulty: Deeper Question: 7e Objective: Explain and compare ADSL, cable modem service, and fiber to the home. AACSB: Applying Information Technology, Application of Knowledge 34) Compared to ADSL service, cable modem traditionally has been ________. A) faster and more expensive B) faster and less expensive C) slower and more expensive D) slower and less expensive Answer: A Difficulty: Basic Question: 8b Objective: Explain and compare ADSL, cable modem service, and fiber to the home. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 35) Which of the following is moving toward FTTH? A) cable modem service companies B) ADSL service companies C) both A and B D) neither A nor B Answer: C Difficulty: Basic Question: 8c Objective: Explain and compare ADSL, cable modem service, and fiber to the home. AACSB: Applying Information Technology, Application of Knowledge 36) In cellular technology, a ________ is a small geographical area. A) cell B) cellsite C) both A and B D) neither A nor B Answer: A Difficulty: Deeper Question: 9a Objective: Discuss cellular data transmission. AACSB: Applying Information Technology

37) In cellular technology, the carrier antenna and equipment to which mobile customers connect directly is called a(n) ________. A) cell B) cellsite C) MTSO D) wireline carrier Answer: B Difficulty: Deeper Question: 9b Objective: Discuss cellular data transmission. AACSB: Applying Information Technology 38) An MTSO ________. A) controls cellsites in a cellular system B) links mobile users to wired telephone customers C) both A and B D) neither A nor B Answer: C Difficulty: Basic Question: 9c Objective: Discuss cellular data transmission. AACSB: Applying Information Technology, Application of Knowledge 39) If a cellsite uses Channel 237, which other cellsites can reuse the channel? A) adjacent cellsites B) cellsites one beyond adjacent cells C) cellsites two beyond adjacent cells D) no other cellsites Answer: A Difficulty: Deeper Question: 10a Objective: Discuss cellular data transmission. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 40) Cells are used in cellular telephony to provide ________. A) service for more customers B) greater reliability C) greater transmission speed D) all of the above Answer: A Difficulty: Basic Question: 10b Objective: Discuss cellular data transmission. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 41) Which of the following affects what cellular throughput an individual user will receive? A) being in a moving car

B) being far from the cellsite C) both A and B D) neither A nor B Answer: C Difficulty: Deeper Question: 11 Objective: Discuss cellular data transmission. AACSB: Applying Information Technology, Application of Knowledge 42) In cellular technology, G stands for ________. A) goodness B) grade C) ground wave D) generation Answer: D Difficulty: Basic Question: 12a Objective: Discuss cellular data transmission. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 43) Decent data transmission for Web surfing began with ________ technology. A) 1G B) 2G C) 3G D) 4G Answer: C Difficulty: Deeper Question: 12b Objective: Discuss cellular data transmission. AACSB: Applying Information Technology, Application of Knowledge 44) Which generation is now bringing speeds of about 10 Mbps? A) 2G B) 3G C) 4G D) 5G Answer: C Difficulty: Deeper Question: 12c Objective: Discuss cellular data transmission. AACSB: Applying Information Technology, Application of Knowledge

45) 5G will bring ________. A) higher speeds than 4G B) energy-efficient low speeds C) both A and B D) neither A nor B Answer: C Difficulty: Deeper Question: 12e Objective: Discuss cellular data transmission. AACSB: Applying Information Technology, Application of Knowledge 46) When carriers use the terms "4G" and "5G," they use these terms in ways that comply with standards. Answer: FALSE Difficulty: Deeper Question: 12f Objective: Discuss cellular data transmission. AACSB: Applying Information Technology 47) Leased lines offer ________ service. A) fast B) any-to-any C) both A and B D) neither A nor B Answer: A Difficulty: Basic Question: 13a Objective: Distinguish between access lines and leased lines. AACSB: Applying Information Technology, Application of Knowledge 48) Which lines run from one customer premise to another? A) leased lines B) access lines C) both A and B D) neither A nor B Answer: A Difficulty: Basic Question: 13b Objective: Distinguish between access lines and leased lines. AACSB: Applying Information Technology, Application of Knowledge

49) To use a leased line, the customer must have a(n) ________ at each site. A) compatible switch B) compatible router C) CSU/DSU D) modem Answer: C Difficulty: Basic Question: 13c Objective: Distinguish between access lines and leased lines. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 50) A customer's leased line to its ISP connects to the ISP's ________. A) POP B) terminal point C) CSU/DSU D) interface Answer: A Difficulty: Basic Question: 14 Objective: Distinguish between access lines and leased lines. AACSB: Applying Information Technology 51) T1 leased lines run at a speed of about ________. A) 250 kbps B) 1 Mbps C) 10 Mbps D) 45 Mbps Answer: B Difficulty: Deeper Question: 15a Objective: Distinguish between access lines and leased lines. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 52) If you need speeds of 1.2 Mbps between two corporate sites in the United States, you would need a ________ leased line. A) T1 B) T3 C) OC3 D) none of the above Answer: A Difficulty: Deeper Question: 15a Objective: Distinguish between access lines and leased lines. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 53) If you need speeds of 16 Mbps between two corporate sites in the United States, you would need a ________ leased line.

A) T1 B) T3 C) OC3 D) none of the above Answer: B Difficulty: Deeper Question: 15c Objective: Distinguish between access lines and leased lines. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 54) Many T1 lines are ________. A) optical fiber lines B) Asymmetric DSL lines C) Symmetric DSL lines D) none of the above Answer: C Difficulty: Basic Question: 15d Objective: Distinguish between access lines and leased lines. AACSB: Applying Information Technology, Application of Knowledge 55) Many lines sold as T1 lines actually use ________. A) 1-pair voice-grade UTP B) 1-pair data-grade UTP C) 2-pair data-grade UTP D) optical fiber Answer: A Difficulty: Deeper Question: 15d Objective: Distinguish between access lines and leased lines. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 56) Which of the following DSL services tends to be symmetric in speed? A) residential B) business C) both A and B D) neither A nor B Answer: B Difficulty: Deeper Question: 15e Objective: Distinguish between access lines and leased lines. AACSB: Applying Information Technology 57) Compared to the Internet, Layer 2 and Layer 3 carrier WAN services usually ________. A) offer QoS guarantees B) require less management labor in the customer organization C) both A and B

D) neither A nor B Answer: C Difficulty: Basic Question: 16a Objective: Explain how networks of leased lines, carrier Ethernet, and MPLS can be used for site-to-site communication within a firm and their relative advantages and disadvantages. AACSB: Applying Information Technology, Application of Knowledge 58) How does carrier Ethernet differ from traditional Ethernet? A) It is offered by carriers instead of being installed and managed by the company using it. B) It is for MAN and WAN services. C) both A and B D) neither A nor B Answer: C Difficulty: Basic Question: 16b Objective: Explain how networks of leased lines, carrier Ethernet, and MPLS can be used for site-to-site communication within a firm and their relative advantages and disadvantages. AACSB: Applying Information Technology, Application of Knowledge 59) In Carrier Ethernet, which service is a competitor for leased line service? A) E-Line B) E-LAN C) both A and B D) neither A nor B Answer: A Difficulty: Deeper Question: 16c Objective: Explain how networks of leased lines, carrier Ethernet, and MPLS can be used for site-to-site communication within a firm and their relative advantages and disadvantages. AACSB: Applying Information Technology, Application of Knowledge 60) In Carrier Ethernet, which connects multiple distant sites into a single Ethernet network? A) E-Line service B) E-LAN service C) both A and B D) neither A nor B Answer: B Difficulty: Deeper Question: 16c Objective: Explain how networks of leased lines, carrier Ethernet, and MPLS can be used for site-to-site communication within a firm and their relative advantages and disadvantages. AACSB: Applying Information Technology, Application of Knowledge 61) Why is Carrier Ethernet popular? A) uses a familiar technology B) offers predictable pricing over multi-year periods

C) both A and B D) neither A nor B Answer: A Difficulty: Basic Question: 16d Objective: Explain how networks of leased lines, carrier Ethernet, and MPLS can be used for site-to-site communication within a firm and their relative advantages and disadvantages. AACSB: Applying Information Technology, Application of Knowledge 62) Why is Carrier Ethernet popular? A) It uses familiar technology. B) It has attractive prices. C) both A and B D) neither A nor B Answer: C Difficulty: Basic Question: 16d Objective: Explain how networks of leased lines, carrier Ethernet, and MPLS can be used for site-to-site communication within a firm and their relative advantages and disadvantages. AACSB: Applying Information Technology, Application of Knowledge 63) Why is Carrier Ethernet popular? A) It uses a familiar technology. B) It is usually easy to upgrade speed rapidly. C) both A and B D) neither A nor B Answer: C Difficulty: Basic Question: 16e Objective: Explain how networks of leased lines, carrier Ethernet, and MPLS can be used for site-to-site communication within a firm and their relative advantages and disadvantages. AACSB: Applying Information Technology, Application of Knowledge

64) In MPLS, the router interface to send the packet back out will be decided ________. A) durin...