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) during the router’s routing process
B) before the first data packet is sent
C) by a dynamic routing protocol
D) none of the above
Answer: B
Difficulty: Basic
Question: 17a
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
65) In MPLS, if two packets arrive in order going to the same IP address, MPLS will ________.
A) send the second on doing a simple cache lookup
B) go through the entire routing process for the second packet
C) do a simple table lookup for the second packet
D) none of the above
Answer: C
Difficulty: Deeper
Question: 17a
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, Analytical Thinking, Application of Knowledge
66) Which spends less processing time on each packet arriving at a router?
A) traditional routing
B) MPLS
C) Both spend about equal time.
Answer: B
Difficulty: Basic
Question: 17b
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, Analytical Thinking, Application of Knowledge
67) MPLS ________ the work that each router must do to deliver a packet during a traffic exchange.
A) reduces
B) increases
C) does not affect
D) occasionally reduces
Answer: A
Difficulty: Basic
Question: 17c
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, Analytical Thinking, Application of Knowledge
68) In MPLS, the ________ adds the label to the packet.
A) source host
B) first label-switching router
C) either A or B
D) neither A nor B
Answer: B
Difficulty: Deeper
Question: 17d
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
69) In MPLS, the label-switched routers in the middle do not look at a packet’s IP address.
Answer: TRUE
Difficulty: Deeper
Question: 17e
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, Analytical Thinking, Application of Knowledge
70) MPLS routers base their decisions on a packet’s ________.
A) destination IP address
B) label number
C) both A and B
D) neither A nor B
Answer: B
Difficulty: Deeper
Question: 17f
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, Analytical Thinking, Application of Knowledge
71) MPLS is ________ the source and destination hosts.
A) transparent to
B) nontransparent to
C) apparent to
D) a burden on
Answer: A
Difficulty: Basic
Question: 17g
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
72) MPLS brings ________.
A) lower cost than the Internet
B) the ability to do traffic engineering
C) both A and B
D) neither A nor B
Answer: B
Difficulty: Basic
Question: 17h
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, Analytical Thinking, Application of Knowledge
73) Which of the following is the most expensive to use?
A) Traditional routing
B) MPLS
C) carrier Ethernet
D) the Internet
Answer: B
Difficulty: Basic
Question: 17k
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, Analytical Thinking, Application of Knowledge
74) Firms generally pay the added cost of MPLS for connecting their sites ________.
A) because it has higher transmission speeds
B) because it can do traffic engineering
C) because it uses familiar technology
D) all of the above
Answer: B
Difficulty: Basic
Question: 17l
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
75) WAN optimization devices are deployed ________.
A) at the ends of leased lines
B) by the telephone carrier
C) by the MPLS carrier
D) by the ISP
Answer: A
Difficulty: Basic
Question: 18a
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
76) Which of the following reduces traffic?
A) compression
B) traffic shaping
C) both A and B
D) neither A nor B
Answer: C
Difficulty: Deeper
Question: 18b
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, Analytical Thinking, Application of Knowledge
77) Compression reduces traffic by ________.
A) reducing redundancy in the data
B) preventing undesirable traffic from entering the network
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Basic
Question: 18c
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
78) Which reduces traffic more when sending long files?
A) compression
B) caching
C) both A and B
D) neither A nor B
Answer: B
Difficulty: Deeper
Question: 18d
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, Analytical Thinking, Application of Knowledge
79) Traffic shaping reduces traffic by ________.
A) preventing certain undesirable traffic from entering the network
B) limiting the amount of certain undesirable traffic entering the network
C) both A and B
D) neither A nor B
Answer: C
Difficulty: Basic
Question: 18e
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
80) Traffic shaping reduces traffic by ________.
A) compression
B) preventing or limiting undesirable traffic from entering the network
C) both A and B
Answer: B
Difficulty: Basic
Question: 18f
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
81) Which of the following can sometimes be accelerated by changing their operation?
A) Application protocols
B) Network protocols
C) both A and B
D) neither A nor B
Answer: C
Difficulty: Basic
Question: 18f
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
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