Deck 16: A Managers Guide to the Internet and Telecommunications

Question 1

The address one types into a Web browser is also known as a:

A) universal redirection link.
B) uniform resource locator.
C) unique resource locator.
D) universal redirection locator.
E) uniform resource link.

Answer 1

B

Question 2

When the Internet really took off, much of the Internet's operating infrastructure transitioned to be supported by government grants rather than private firms.

Answer 2

False

Question 3

A(n) _____ is a temporary storage space used to speed computing tasks.

A) cache
B) IP address
C) Protocol
D) domain name service
E) hypertext markup language

Answer 3

A

Question 4

In the URL, the host name is the name of the network a user tries to connect to.

Question 5

Which of the following statements holds true for the term "html"?

A) It refers to high-speed data lines provided by many firms all across the world that interconnect and collectively form the core of the Internet.
B) It refers to the broadband service provided via light-transmitting fiber-optic cables.
C) It refers to the language used to create and format Web pages.
D) It refers to a situation when separate ISPs link their networks to swap traffic on the Internet.
E) It refers to a system that connects end users to the Internet.

Question 6

Changing the letter case when typing in host and domain names does not affect the user's ability to reach the destination.

Question 7

A _____ enables communication by defining the format of data and rules for exchange.

A) nomenclature
B) regulation
C) protocol
D) dialect
E) convention

Question 8

The language "http" is used to create and format Web pages.

Question 9

One of the factors that accelerated the development of the Internet during the 1990s was:

A) the introduction of the personal computer into households.
B) the government's taking over of the Internet's operating structure from private players.
C) Intel's invention of low power processors used in portable computers.
D) the creation of the Windows and Mac OS operating systems.
E) the invention of graphical Web browsing.

Question 10

What is an example of cybersquatting?

A) Overwhelming a firm's Web site by flooding it with seemingly legitimate messages
B) Acquiring a domain name to extort a firm, individual, product, or trademark holder
C) Slowing down packet transfer to an Internet-connected computer
D) Threatening to destroy information stored in a firm's servers
E) Hacking into and defacing an organization's public web presence and refusing to let the site's owner regain control

Question 11

The domain name service (DNS) is a distributed database that allows users to communicate with other computers by:

A) assigning IP addresses to different domain names.
B) mapping host names to domain names.
C) creating IP addresses that are unique to servers.
D) assigning domain names to different IP addresses.
E) mapping host and domain names to IP addresses of computers.

Question 12

Dot-com domain name registration is carried out on an auction basis to ensure the highest bidder gains rights to the desired domain name.

Question 13

A firm that provides hardware and services to run Web sites of others is known as a(n) _____.

A) Web site incubator
B) Internet service facilitator
C) Web domain name registrar
D) Web hosting service
E) Internet Web fab

Question 14

Popular sites like Google and Yahoo! have several computers assigned to their host names because:

A) they have operations in different countries.
B) they are registered under several generic top-level domain names.
C) of the different devices used to access these web sites.
D) hoarding all information in one server is expensive.
E) it ensures that the load of requests to their sites do not overwhelm a single computer.

Question 15

The hypertext transfer protocol (http) defines the communication between:

A) Web browsers and Web servers.
B) operating systems and Web browsers.
C) hardware and operating systems.
D) mail servers and hardware.
E) hardware and Web browsers.

Question 16

Servers or organizations do not need to be housed within a country in order to use a country code as part of their domain name.

Question 17

The Internet has no center and no one owns it.

Question 18

IP addresses can oftentimes be used to identify a user's geographic location.

Question 19

Unfortunately, IPv6 isn't backward compatible with IPv4.

Question 20

"Html" is used to:

A) load content from default page.
B) create and format Web pages.
C) generate custom content for database users.
D) exchange mail with other e-mail servers.
E) transfer files from flash drives.

Question 21

Identify the various components in the following Web address and briefly describe each of them:

Question 22

ISPs and IXPs that carry out peering are required by the FCC to charge each other fees based on their traffic contribution.

Question 23

The User Datagram Protocol (UDP) acts as a substitute to TCP when there is a need for speed of communication, but where perfect and complete transmission quality can be sacrificed.

Question 24

Circuit-switched networks are advantageous because they offer an inexhaustible supply of bandwidth for telecommunications.

Question 25

Routers don't have perfect, end-to-end information on all points in the Internet.

Question 26

Routing protocol that is in charge of forwarding packets on the Internet is known as voice over Internet protocol.

Question 27

The TCP works at both ends of Internet communication.

Question 28

_____ is the nonprofit organization responsible for managing the Internet's domain and numbering systems.

Question 29

_____ refers to the application transfer protocol that is used to copy files from one computer to another.

Question 30

The fault-tolerant nature of the DNS ensures that:

A) if users can't reach a host computer, they are redirected back to the previous page.
B) mistyped or misspelled Web addresses are automatically corrected.
C) if a document or file can't be accessed, it won't result in a 404 error.
D) the service continues functioning even if one nameserver goes down.
E) mismatched host names and domain names are still assigned with the correct IP address.

Question 31

_____ is the language used to compose Web pages.

Question 32

A technique known as _____ uses a gateway that allows multiple devices to share a single IP address. This can be useful in organizations that have a limited number of conventional IP addresses.

Question 33

Wall Street traders often choose a colocation facility with the goal to provide high-latency connectivity to their partners.

Question 34

One of the functions of the IP is to:

A) route message packets to the final destination.
B) slice up the message into smaller chunks of data called packets, to be sent over the network.
C) check for damaged or corrupt message packets and request for replacements, if needed.
D) label message packets with source and destination addresses.
E) rearrange message packets in the same sequence as they were sent.

Question 35

The protocol used for exchange of mail between e-mail servers across the world is called _____.

Question 36

Computer programs making decisions without any human intervention conduct most U.S. stock trading.

Question 37

The Internet Protocol Suite consists of the Internet Protocol and _____.

A) File Transfer Protocol
B) Simple Mail Transfer Protocol
C) Session Initiation Protocol
D) Datagram Congestion Control Protocol
E) Transmission Control Protocol

Question 38

TCP and IP operate above http and the other application transfer protocols.

Question 39

The exploit referred to as __________ allowed hackers to leverage vulnerability in DNS software to redirect users to sites they did not request.

A) cybersquatting.
B) phishing.
C) an online imposture.
D) cache poisoning.
E) a distributed denial of request.

Question 40

Briefly describe how the DNS helps users communicate with each other.

Question 41

The acronym HFT refers to:

A) High Finance Telecommunications
B) High Fidelity Transmissions
C) Hedge Fund Transfers
D) High Frequency Trading
E) Hypertext File Transfer

Question 42

Internet networks are _____.

A) bit-switched networks
B) circuit-switched networks
C) data-switched networks
D) packet-switched networks
E) byte-switched networks

Question 43

A(n) _____ is a computing device that connects networks and exchanges data between them.

Question 44

_____ involves allowing voice packets to gain delivery importance over packets for applications like e-mail.

A) Voice precedence
B) Data rationing
C) Right-of-way for voice
D) Information queuing
E) Packet prioritization

Question 45

Most mobile large cell phone carriers are exempted from having to license the wireless spectrum for transmission.

Question 46

____ repeatedly sends a cluster of three packets starting at the first router connected to a computer, then the next, and so on, building out the path that packets take to their destination.

A) Firewall
B) Router
C) Pathfinder
D) Mapper
E) Traceroute

Question 47

When considering overall network speed, a system's speed is determined by its fastest component.

Question 48

The phrase ________ is used by technologists to refer to delay.

Question 49

DSL technology is less efficient for service providers in the United States because many of their customers are live in less-densely populated suburbs and rural areas.

Question 50

Which of the following is true of the term Internet backbone?

A) It refers to high-speed data lines provided by many firms all across the world that interconnect and collectively form the core of the Internet.
B) It refers to broadband service provided direct to a home or business using light-transmitting fiber-optic cables.
C) It refers to the collection of standards used to support all Internet services.
D) It refers to government-provided open spectrum that enables Internet use for all.
E) It refers to a government-run system supported by telecommunication taxes, which connects end users to the Internet.

Question 51

Circuit-switched networks provide connection between two parties that:

A) uses a single router for each individual on either end of the connection.
B) is dedicated for use by the parties for the duration of a connection.
C) repeatedly switches between an open and closed state depending on whether someone is speaking or other noise is being transmitted during a call.
D) slicing up the conversation into smaller chunks and transmitting them over a shared circuit that mixes content with other callers but routes and reassembles a call to the correct recipient.
E) prioritizing voice calls over other connections on IP networks.

Question 52

Which of the following applications is most likely to use UDP instead of TCP?

A) E-mail
B) Web transmissions
C) File transfer
D) Peer-to-peer downloads
E) Web-based phone calls

Question 53

A location where gear from multiple telecom firms can come together and peering can take place.

Question 54

Many fear that innovation might suffer as a result of the transition of Internet services from flat-rate pricing to metered usage.

Question 55

Describe the process involving the transmission of a Web page from a Web server to a user's computer.

Question 56

Peering usually takes place at neutral sites called _____.

A) https
B) IPs
C) ISPs
D) IXPs
E) STPs

Question 57

Peering refers to:

A) high-speed data lines provided by many firms all across the world that interconnect and collectively form the core of the Internet.
B) the broadband service provided via light-transmitting fiber-optic cables.
C) the language used to compose Web pages.
D) a situation when separate ISPs connect their networking equipment together to share traffic.
E) a system that connects end users to the Internet.

Question 58

Compare circuit- and packet-switched networks.

Question 59

Many residential providers of cable technology use a system that requires customers to share bandwidth with neighbors.

Question 60

A unit of data forwarded by a network is called _____.

Question 61

_____ Law states that a system's speed is determined by its slowest component.

Question 62

Which of the following statements is true of the term "FTTH"?

A) It refers to high-speed data lines provided by many firms all across the world that interconnect and collectively form the core of the Internet.
B) It refers to broadband service provided via light-transmitting fiber-optic cables.
C) It refers to the language used to compose Web pages.
D) It refers to a situation when separate ISPs link their networks to swap traffic on the Internet.
E) It refers to a system that connects end users to the Internet.

Question 63

The term __________ refers to frequencies used for wireless communication.

Question 64

Internet services that run at download speeds of a minimum of 25 mbps and upload speeds of three mbps are called ____________.

Question 65

Which of the following refers to wireless systems provided by earth-bound stations like cell phone towers?

A) Geostationary wireless
B) Ground wireless
C) Terrestrial wireless
D) Geosynchronous wireless
E) LEO systems

Question 66

The frequencies licensed by telecommunication firms to provide wireless service is known as _____.

A) GEO and LEO range
B) mobile service array
C) wireless spectrum
D) communication backbone
E) communication bandwidth

Question 67

Briefly describe a few of the measures being taken to speed up the Internet's last mile.

Question 68

Mobile providers can be susceptible to poor coverage indoors as a result of:

A) spectrum used by most mobile phone firms that does not travel well through solid objects.
B) a high degree of latency.
C) network congestion that clogs up the network traffic.
D) a lack of sufficient number of towers owing to the not-in-my-backyard problem.
E) an increase in bandwidth demand placed on their networks.

Question 69

Explain the evolution of satellite wireless telecommunication technology.

Question 70

A potential roadblock to transition of DSL to FTTH is the:

A) high costs of building entirely new networks.
B) scarcity of the material required to create the cables.
C) impracticality of switching to a technology that is not proven yet.
D) location driven quality of service offered by fiber optic technology.
E) high possibility of external interference and hence, fears of information security.

Question 71

_____ is the principle that all Internet traffic should be treated equally.

Question 72

_____ is the insulated copper cable commonly used by cable television providers with shielding to reduce electrical interference.

A) Optical fiber cable
B) Coaxial cable
C) Ribbon cable
D) FTTH cable
E) Amdahl cable

Question 73

To overcome reception and availability problems, mobile telecom services firms have begun _____ that provide a "five bar" coverage in a roughly 5,000-square-foot footprint.

A) providing incentives to communities that allow the construction of towers
B) leveraging GEO and LEO technologies
C) offering femtocells
D) providing wi-fi base stations at very low costs
E) switching from Wi-Fi to WiMax

Question 74

_____ technology is a broadband technology that can use the wires of a local telephone network.

A) Fiber to the Home (FTTH)
B) Digital Subscriber Line (DSL)
C) Coaxial cable
D) Telecom-broadband hybrid
E) Broadband over power line (BPL)

Question 75

The three letter acronym for the basic unit of expression for bandwidth is _____.

Question 76

Supporters of net neutrality believe:

A) it will improve innovation.
B) it will keep costs low.
C) it will level the playing field among competitive services offered over the Internet.
D) all of the above.
E) none of the above.

Question 77

One of the disadvantages of cable technology is that:

A) it is more expensive than other signal-carrying systems.
B) while it works well for television signals, it is ineffective for data transmissions required by the Internet.
C) systems used by many providers require customers to share bandwidth with neighbors.
D) it is incompatible with most modern communication systems.
E) the speed of the connection rises in conjunction with the distance between the end customers from the central hub.

Question 78

The most dominant standard for 4G technology worldwide is

A) Wi-Fi
B) WiMax
C) GPRS
D) Circuit switching
E) LTE

Question 79

Which technology-LEO or GEO satellites-offers lower latency?