Module 12; NS Quiz 3_ Attempt review

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12/4/23, 11:37 PM Module 12; NS Quiz 3: Attempt review https://courses.campbellsville.edu/mod/quiz/review.php?attempt=2776343&cmid=4136075 1/16 Started on Friday, November 17, 2023, 2:08 PM State Finished Completed on Friday, November 17, 2023, 2:38 PM Time taken 30 mins 23 secs Points 41/45 Grade 46 out of 50 ( 91 %) Question 1 Correct 1 points out of 1 Question 2 Correct 1 points out of 1 How do WAN carriers typically get their trunk lines? Select one: A. They lease them from telephone companies.  B. They construct them. C. They use wireless transmission. D. They use the Internet. Two-way amplifiers are needed for cable ________ service. Select one: A. television B. data  C. both television and data D. neither television nor data

12/4/23, 11:37 PM Module 12; NS Quiz 3: Attempt review https://courses.campbellsville.edu/mod/quiz/review.php?attempt=2776343&cmid=4136075 2/16 Question 3 Correct 1 points out of 1 Question 4 Correct 1 points out of 1 Question 5 Incorrect 0 points out of 1 Which of the following can sometimes be accelerated by changing their operation? Select one: A. Application protocols B. Network protocols C. both Application protocols and Network protocols  D. neither Application protocols nor Network protocols Asymmetric residential service is good for ________. Select one: A. the World Wide Web  B. videoconferencing C. both the World Wide Web and videoconferencing D. neither the World Wide Web nor videoconferencing If your subnet part is 7 bits long, how many subnets can you have? Select one: A. 128  B. 256 C. 512 D. None of these

12/4/23, 11:37 PM Module 12; NS Quiz 3: Attempt review https://courses.campbellsville.edu/mod/quiz/review.php?attempt=2776343&cmid=4136075 3/16 Question 6 Correct 1 points out of 1 Question 7 Correct 1 points out of 1 Question 8 Correct 1 points out of 1 The PSTN core is organized as a ________. Select one: A. loop B. mesh C. modified hierarchy  D. hierarchy In cellular technology, a ________ is a small geographical area. Select one: A. cell  B. cellsite C. both cell and cellsite D. neither cell nor cellsite LAN speeds are faster than WAN speeds because of ________. Select one: A. slow corporate adoption of newer WAN technologies B. regulatory limitations C. economic reasons  D. technological limitations

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12/4/23, 11:37 PM Module 12; NS Quiz 3: Attempt review https://courses.campbellsville.edu/mod/quiz/review.php?attempt=2776343&cmid=4136075 4/16 Question 9 Correct 1 points out of 1 Question 10 Correct 1 points out of 1 Question 11 Correct 1 points out of 1 Which of the following reduces traffic? Select one: A. compression B. traffic shaping C. both compression and traffic shaping  D. neither compression nor traffic shaping An MTSO ________. Select one: A. controls cellsites in a cellular system B. links mobile users to wired telephone customers C. both controls cellsites in a cellular system and links mobile users to wired telephone customers  D. neither controls cellsites in a cellular system nor links mobile users to wired telephone customers Which of the following already runs to nearly all customer premises? Select one: A. 1-pair DG UTP B. 4-pair UTP C. 1-pair VG UTP  D. 2-pair DG UTP

12/4/23, 11:37 PM Module 12; NS Quiz 3: Attempt review https://courses.campbellsville.edu/mod/quiz/review.php?attempt=2776343&cmid=4136075 5/16 Question 12 Correct 1 points out of 1 Question 13 Correct 1 points out of 1 Question 14 Incorrect 0 points out of 1 In ADSL, the customer should have ________. Select one: A. splitters B. an ADSL modem C. both splitters and an ADSL modem  D. neither splitters nor an ADSL modem In DNS, a group of resources under the control of an organization is called a ________. Select one: A. scope B. domain  C. subnet D. network You need to use EIGRP if ________. Select one: A. you have TCP/IP traffic exclusively B. some of your traffic is TCP/IP traffic C. both you have TCP/IP traffic exclusively and some of your traffic is TCP/IP traffic 

12/4/23, 11:37 PM Module 12; NS Quiz 3: Attempt review https://courses.campbellsville.edu/mod/quiz/review.php?attempt=2776343&cmid=4136075 6/16 Question 15 Correct 1 points out of 1 Question 16 Correct 1 points out of 1 Question 17 Correct 1 points out of 1 In tunnel mode, ESP fields surround an IPv4 packet's ________. Select one: A. entire length  B. header C. data field D. None of these For cable modem service, customers need ________. Select one: A. cable modems  B. splitters C. both cable modems and splitters D. neither cable modems nor splitters In MPLS, the label-switched routers in the middle do not look at a packet's IP address. Select one: True  False

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12/4/23, 11:37 PM Module 12; NS Quiz 3: Attempt review https://courses.campbellsville.edu/mod/quiz/review.php?attempt=2776343&cmid=4136075 7/16 Question 18 Correct 1 points out of 1 Question 19 Correct 1 points out of 1 Question 20 Correct 1 points out of 1 In coaxial cable, the two conductors ________. Select one: A. run side-by-side B. are twisted around each other C. both run side-by-side and are twisted around each other D. neither run side-by-side nor are twisted around each other  Compared to the Internet, Layer 2 and Layer 3 carrier WAN services usually ________. Select one: A. offer QoS guarantees B. require less management labor in the customer organization C. both offer QoS guarantees and require less management labor in the customer organization  D. neither offer QoS guarantees nor require less management labor in the customer organization Which of the following is moving toward FTTH? Select one: A. cable modem service companies B. ADSL service companies C. both cable modem service companies and ADSL service companies  D. neither cable modem service companies nor ADSL service companies

12/4/23, 11:37 PM Module 12; NS Quiz 3: Attempt review https://courses.campbellsville.edu/mod/quiz/review.php?attempt=2776343&cmid=4136075 8/16 Question 21 Correct 1 points out of 1 Question 22 Correct 1 points out of 1 Question 23 Correct 1 points out of 1 Many lines sold as T1 lines actually use ________. Select one: A. 1-pair data-grade UTP B. 1-pair voice-grade UTP  C. optical fiber D. 2-pair data-grade UTP The SA is negotiated in the ________. Select one: A. IKE phase  B. IPsec protection phase C. AES phase D. None of these If your routing prefix is 16 bits, how long is your subnet ID? Select one: A. 16 bits B. 32 bits C. 48 bits  D. not possible to caculate

12/4/23, 11:37 PM Module 12; NS Quiz 3: Attempt review https://courses.campbellsville.edu/mod/quiz/review.php?attempt=2776343&cmid=4136075 9/16 Question 24 Correct 1 points out of 1 Question 25 Correct 1 points out of 1 Question 26 Correct 1 points out of 1 Which reduces traffic more when sending long files? Select one: A. compression B. caching  C. both compression and caching D. neither compression nor caching In Carrier Ethernet, which service is a competitor for leased line service? Select one: A. E-Line  B. E-LAN C. both E-Line and E-LAN D. neither E-Line nor E-LAN In Carrier Ethernet, which connects multiple distant sites into a single Ethernet network? Select one: A. E-Line service B. E-LAN service  C. both E-Line service and E-LAN service D. neither E-Line service nor E-LAN service

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12/4/23, 11:37 PM Module 12; NS Quiz 3: Attempt review https://courses.campbellsville.edu/mod/quiz/review.php?attempt=2776343&cmid=4136075 10/16 Question 27 Correct 1 points out of 1 Question 28 Incorrect 0 points out of 1 Question 29 Correct 1 points out of 1 Which generation is now bringing speeds of about 10 Mbps? Select one: A. 2G B. 3G C. 4G  D. 5G Which of the following would be an SNMP object? Select one: A. number of rows in routing table B. a managed switch C. both number of rows in routing table and a managed switch  D. neither number of rows in routing table nor a managed switch WANs include ________. Select one: A. single networks B. the Internet C. either single networks or the Internet  D. neither single networks nor the Internet

12/4/23, 11:37 PM Module 12; NS Quiz 3: Attempt review https://courses.campbellsville.edu/mod/quiz/review.php?attempt=2776343&cmid=4136075 11/16 Question 30 Correct 1 points out of 1 Question 31 Correct 1 points out of 1 Question 32 Incorrect 0 points out of 1 The promise of FTTH is ________. Select one: A. higher speed  B. lower cost C. both higher speed and lower cost D. neither higher speed nor lower cost DSL residential service provides ________. Select one: A. symmetric speed B. asymmetric speed  C. both symmetric speed and asymmetric speed D. neither symmetric speed nor asymmetric speed NAT ________. Select one: A. allows a firm to have more internal IP addresses B. reduces cost C. both allows a firm to have more internal IP addresses and reduces cost  D. neither allows a firm to have more internal IP addresses nor reduces cost

12/4/23, 11:37 PM Module 12; NS Quiz 3: Attempt review https://courses.campbellsville.edu/mod/quiz/review.php?attempt=2776343&cmid=4136075 12/16 Question 33 Correct 1 points out of 1 Question 34 Correct 1 points out of 1 Question 35 Correct 1 points out of 1 DSL offers ________. Select one: A. voice transmission B. data transmission C. both voice transmission and data transmission  D. neither voice transmission nor data transmission If a cellsite uses Channel 237, which other cellsites can reuse the channel? Select one: A. cellsites two beyond adjacent cells B. no other cellsites C. adjacent cellsites  D. cellsites one beyond adjacent cells Which of the following IPv4 addresses would be used for Internet transmission? Select one: A. 10.x.x.x B. 128.171.x.x  C. both 10.x.x.x and 128.171.x.x D. neither 10.x.x.x nor 128.171.x.x

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12/4/23, 11:37 PM Module 12; NS Quiz 3: Attempt review https://courses.campbellsville.edu/mod/quiz/review.php?attempt=2776343&cmid=4136075 13/16 Question 36 Correct 1 points out of 1 Question 37 Correct 1 points out of 1 Question 38 Correct 1 points out of 1 Which lines run from one customer premise to another? Select one: A. leased lines  B. access lines C. both leased lines and access lines D. neither leased lines nor access lines MPLS is ________ the source and destination hosts. Select one: A. nontransparent to B. apparent to C. transparent to  D. a burden on ________ is a general naming system for the Internet. Select one: A. DHCP B. NAT C. DNS  D. Dotted decimal notation

12/4/23, 11:37 PM Module 12; NS Quiz 3: Attempt review https://courses.campbellsville.edu/mod/quiz/review.php?attempt=2776343&cmid=4136075 14/16 Question 39 Correct 1 points out of 1 Question 40 Correct 1 points out of 1 Question 41 Correct 1 points out of 1 Leased lines offer ________ service. Select one: A. fast  B. any-to-any C. both fast and any-to-any D. neither fast nor any-to-any Compared to ADSL service, cable modem traditionally has been ________. Select one: A. faster and more expensive  B. slower and more expensive C. faster and less expensive D. slower and less expensive Which of the following usually offers higher speeds? Select one: A. LANs  B. WANs C. Both LANs and WANs are about equal in typical speeds.

12/4/23, 11:37 PM Module 12; NS Quiz 3: Attempt review https://courses.campbellsville.edu/mod/quiz/review.php?attempt=2776343&cmid=4136075 15/16 Question 42 Correct 1 points out of 1 Question 43 Correct 1 points out of 1 Question 44 Correct 1 points out of 1 Compared to the Internet, carrier WANs ________. Select one: A. offer higher-quality service  B. can reach more customers C. both offer higher-quality service and can reach more customers D. neither offer higher-quality service nor can reach more customers When carriers use the terms "4G" and "5G," they use these terms in ways that comply with standards. Select one: True False  Which of the following is a common use for carrier WANs? Select one: A. to connect corporate sites B. to connect a corporate site to the Internet C. both to connect corporate sites and to connect a corporate site to the Internet  D. neither to connect corporate sites nor to connect a corporate site to the Internet

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12/4/23, 11:37 PM Module 12; NS Quiz 3: Attempt review https://courses.campbellsville.edu/mod/quiz/review.php?attempt=2776343&cmid=4136075 16/16 Question 45 Correct 1 points out of 1 Which of the following DSL services tends to be symmetric in speed? Select one: A. residential B. business  C. both residential and business D. neither residential nor business ◄ Previous activity Jump to... Next activity ▶

Module 12; NS Quiz 3_ Attempt review

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