lOMoAR cPSD| 70487227
Computers And Internetworked Society (MIS 111)
Class 35 (11/14) Data Network Infrastructure PAR-
22
● What emerging technology dynamically adjusts data flows at the organizational level to
meet business and application needs by controlling how network traffic flows across
network devices?
○ Software-defined networks (SDN)
● _____________ are generally provided by common carriers such as telephone
companies and the international networks of global communications services providers.
○ Wide area networks (WANs)
● What data communications term is used to describe the transmission capacity of a
network?
○ Bandwidth
● In a network communication architecture, what term is used to describe the rules of
communication used to transmit a message?
○ Protocol
● In a network communication architecture, what term is used to describe the
infrastructure used to transmit a message?
○ Medium
● The image shown below are what type of guided (wireline) media?
○ Twisted-pair Cable
● Which of the following types of wireline (or guided) media is considered to have the best
(or at least good) security?
○ Fiber-optic cable
● The images shown below are what type of guided (wireline) media?
○ Fiber-optic cable
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● Which of the following terms would NOT commonly be associated with digital
transmissions?
○ Continuous
● As discussed in our Topic Overview discussion of Globalization, which of the following
"laws" described the maximum data rate possible for a given medium and, thereby,
encouraged the adoption of new digital technologies?
○ Shannon's Law
● Although they are not commonly used in most parts of the developed world today,
________ modems were used to convert information between analog and digital forms
for transmission over the POTS telephone network.
○ Dial-up
● What type of guided (wireline) media consists of thousands of very thin filaments of
glass fibers surrounded by cladding?
○ Fiber-optic cable
● What is the name of the interface that physically connects devices to the LAN's (local
area network's) communications medium?
○ Network interface card (NIC)
● Court decisions requiring the Bell System Network to open its network to non-Bell
equipment connect to and allowing MCI to provide long distance service in competition
to AT&T are examples of what type of milestone in evolution of telecommunication
service in the US?
○ Regulatory Controls
● In the network infrastructure video case Digital and Analog Signals, what is a significant
problem for analog signals?
○ Noise or interference
KC-34
● Which of the following data communications computer ports is a multi-function, bus-
oriented (up to 127 devices), high-speed (up to 600 MBps) serial interface?
○ USB Port
● For network infrastructures that transmit information using analog signals through a
communication channel, what term is used measure the bandwidth?
○ Cycles per second (Hertz)
● Which of the following types of computer ports (mechanical network connectors) would
NOT be considered a serial data communication interface?
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○ LPT Port
● From a networking infrastructure perspective, which of the following descriptive terms
would generally be associated with the transmission of digital data?
○ Bits per second
● When designing its computer network, a business that anticipates that it will have a large
and growing network where the company will need to be able to and and remove PCs
easily from the network is most likely to choose what network topology? ○ Star Topology
● POTS (Plain Old Telephone Service) or basic, voice-grade analog telephone service has
been historically most closely associated with what type of network infrastructure?
○ Twisted-pair Cabling\
● When designing its computer network, a business that anticipates that it will have a large
and growing network where the company will need to be able to and and remove PCs
easily from the network is most likely to choose what network topology? ○ Star Topology
● More commonly found outside the United States, Integrated Services Digital Network
(ISDN) data connections for residential subscribers typically offer users about what
connection speed (bandwidth)?
○ 256 kbps (thousand bits per second)
● With respect to network infrastructures, what type of cabling generally has the fastest
transmission rate and highest immunity to electrical noise?
○ Fiber Optic Cables
● For network infrastructures that transmit information using analog signals through a
communication channel, what term is used measure the bandwidth?
○ Cycles per second (Hertz)
● According to the What is Cable vs. DSL vs. Fiber Internet? video case, which of the
following "last mile" (to the home) wired data networking infrastructures requires you to
share bandwidth with your neighbors?
○ Cable
● From the prespective of networking infrastrcutre, sound waves, such as the human
voice, vary continuously over time and are considered what type of data?
○ Analog
Class 36 (11/16) Data Networking Fundamentals PAR-
23
● What portion of the URL "https://eller.arizona.edu" would be considered as the top
level domain that is managed at the highest level in the hierarchical Domain Name
System of the Internet by the Internet Corporation for Assigned Names and Numbers
(ICANN)?
○ edu
● Developed by the Advanced Research Project Agency (ARPA) of the U.S. Department
of Defense., what project began in 1969 to test the feasibility of sharing data, exchange
messages, and transfer files?