Deck 10: The Internet

Question 1

Peering means that a tier 1 ISP does not charge another tier 1 ISP to transmit its messages.

Answer 1

True

Question 2

ADSL uses FDM to create three channels over the one local loop circuit: one for voice, one for upstream data, and one for downstream data.

Answer 2

True

Question 3

Technologies such as DSL and cable modem are called narrowband technologies.

Answer 3

False

Question 4

The Internet Engineering Steering Group provides strategic architectural oversight for the Internet.

Question 5

WiMax is the commercial name for a set of standards developed by the IEEE 802.3 standards group.

Question 6

To use DSL, a customer needs a DSL Access Multiplexer installed at his or her location.

Question 7

In a DSL environment, the line splitter and DSL modem are always two separate devices.

Question 8

The RFCs that form the basis for Internet standards are developed by the IETF and its working groups.

Question 9

WiMAX is an older wireless technology that probably won't be used much longer.

Question 10

A point of presence is the place at which the ISP provides services to its customers.

Question 11

Digital Subscriber Line is a family of multipoint technologies.

Question 12

The Internet is one large network.

Question 13

IXPs were originally designed to connect only tier 3 ISPs.

Question 14

The most common cable modem standard is Data over Cable Service Interface Specification.

Question 15

The device similar to a DSL router, but used in a FTTH environment is called an optical network unit.

Question 16

Tier 1 service providers connect together and exchange data at IXPs.

Question 17

The most common type of DSL today is ADSL.

Question 18

The Internet is flat in structure.

Question 19

A cable company distribution hub includes a combiner and a cable modem termination system.

Question 20

The phone line from the DSL customer to the telephone company end office is referred to as the "remote loop".

Question 21

Which of the following statements is true in regards to DSL?

A)On a circuit, the shorter the distance, the higher the speed.
B)On a circuit, the longer the distance, the higher the speed.
C)On a circuit, the longer the distance, less attenuation occurs.
D)On a circuit, the shorter the distance, more attenuation occurs.
E)When more attenuation occurs, higher frequency signals can be used effectively.

Question 22

The _________ is the connection from a home or business to the telephone company end office.

A)distribution hub
B)RFC
C)UCAID
D)local loop
E)CA*net 3

Question 23

Which of the following is one of the tier 1 ISPs in North America?

A)IETF
B)IEEE
C)IAB
D)Sprint
E)ISOC

Question 24

Each of the networks in Internet 2 has a set of access points called terapops.

Question 25

A DSL modem is also known as a:

A)DSL bridge
B)DSL brouter
C)DSL router
D)DSL gateway
E)DSL hub

Question 26

At the DSL local carrier's office, the __________ demultiplexes the data streams and converts them into digital data.

A)DSLAM
B)GrandSlam
C)WAP
D)line splitter
E)X.25 PAD

Question 27

A _________ is the place at which the ISP provides services to its customers.

A)remote access point
B)network access point
C)cable modem termination system endpoint
D)point-of-presence
E)metropolitan area exchange

Question 28

Peering has led to the emergence of a new organization type called the _______, which permits any ISP to connect to its network.

A)gigapop
B)autonomous system
C)ISP
D)IXP
E)Service provider

Question 29

Digital _________ Line is a family of point-to-point technologies designed to provide high-speed data transmission over traditional telephone lines.

A)System
B)Satisfaction
C)Speedy
D)Subscriber
E)Switch

Question 30

At the top of the Internet structure are tier 1 ___________, such as AT&T and Sprint.

A)Network Access Points
B)Internet service providers
C)bridges
D)LATAs
E)digital subscriber lines

Question 31

A ___________ is used by ISPs to authenticate its customers.

A)password server
B)remote-access server.
C)file server
D)WAP server.
E)Web server

Question 32

Data traffic from the DSL customer premises is sent to a __________ which is located at the local carrier's end office.

A)modem
B)codec
C)DSLAM
D)NIC
E)ATM

Question 33

Most WiMAX providers in the US are using an effective data range of

A)0.5 to 1.5 miles
B)3-10 miles
C)1-3 miles
D)0.5-50 miles
E)1-5 miles

Question 34

___________ refers to the fact that ISPs do not charge one another at the same level) for transferring messages they exchange across an NAP or MAE.

A)Popping
B)Peering
C)Yiping
D)Napping
E)Chargebacking

Question 35

A __________ separates traditional voice telephone transmission from the data transmissions in the equipment located at the customer site for DSL.

A)line splitter
B)V.32bis modem
C)line analyzer
D)main distribution frame
E)network access point

Question 36

For access to DSL, __________ equipment is installed at the customer location.

A)point-of-presence
B)satellite dish
C)customer premises
D)metropolitan area exchange
E)network access point

Question 37

Tier 1 ISPs connect together and exchange data at ___________.

A)IXPs
B)cable modem termination system endpoints
C)distribution hubs
D)the Internet engineering task force headquarters
E)the Internet Society network center

Question 38

__________ has led to the belief that the Internet is "free".

A)Encrypting
B)Peering
C)Bridging
D)Tolling
E)Polling

Question 39

At the DSL customer premises is a device called an)

A)cable modem
B)DSLAM
C)DSL modem
D)Internet router
E)DSL bridge

Question 40

In general, tier 3 ISPs make money by charging ________.

A)customers
B)ICANN
C)UCAID
D)the DSLAM
E)CSUs/DSUs

Question 41

WiMax was designed to easily connect into existing ___________.

A)wide area networks
B)backbone networks
C)Ethernet LANs
D)ATM backbones
E)FTTH

Question 42

Some of the new applications being developed for a high-speed Internet include

A)Tele-immersion
B)Tele-conferencing
C)QoS
D)Broadband
E)Tele-phoning

Question 43

Which of the following new Internet efforts was started by 34 universities?

A)CA*net 3
B)ARDNOC
C)vBNS
D) NGI
E)Internet2

Question 44

A high-speed Internet has a set of access points called ____pops that provide point-of-presence at ________ speeds.

A)giga, gigabit
B)mega, megabit
C)multi, multibit
D)giga, megabit
E)multi, gigabit

Question 45

An) ___________ contains a series of cable modems/multiplexers and converts the data from cable modem protocols into protocols needed for Internet traffic, before passing them to a router connected to an ISP POP.

A)Internet steering system
B)optical-electrical converter
C)WAP proxy
D)cable modem termination system
E)fixed wireless system

Question 46

In 1996, The National Science foundation provided $100 million to start the ___________ program to develop the very-high-performance Backbone Network Service.

A)CA*Net3
B)UCAID
C)Next Generation Internet
D)Internet 3
E)WAP proxy

Question 47

Another term for cable networks that use both fiber-optic and coaxial cable is __________.

A)fixed wireless
B)mobile wireless
C)distribution hub
D)hybrid fiber coax
E)fibrax

Question 48

A T1 level of ADSL has a maximum downstream rate of about _________ Mbps.

A)9000
B)8.4
C)1.5
D)650
E)6.1

Question 49

Fiber to the Home uses

A)frequency division multiplexing
B)wavelength division multiplexing
C)time division multiplexing
D)statistical time division multiplexing
E)all of the above

Question 50

An) __________ is used to connect a fiber optic cable from the cable TV company side to a coaxial cable on the customer side.

A)CA*net 3
B)RFC
C)WAP proxy
D)fixed wireless connection
E)optical-electrical converter

Question 51

A digital service offered by cable companies is the _________.

A)Abilene network
B)WAP proxy
C)G.Lite ADSL
D)cable modem
E)Next Generation Internet

Question 52

Which of the following is not part of the work of the Internet Society?

A)public policy
B)connecting optical-electrical converters
C)education
D)development of Internet standards
E)maintenance of Internet standards

Question 53

The closest the Internet has to an "owning" organization is the ___________.

A)Internet Service Provider
B)Abilene network
C)CA*Net3
D)University Corporation for Advanced Internet Development
E)Internet Society

Question 54

The _________operates like the IETF through small research groups focused on specific issues.

A)Internet Society
B)University Corporation for Advanced Internet Development
C)Internet Engineering Steering Committee
D)Internet Architecture Board
E)Internet Research Task Force

Question 55

In a cable modem environment, a _______ is used to combine Internet data traffic with ordinary TV video traffic and then send it back to the fiber node for distribution.

A)modem
B)router
C)bridge
D)combiner
E)CMTS

Question 56

The ________ is a large open international community of network designers, operators, vendors, and researchers concerned with the evolution of the Internet architecture and smooth operation of the Internet.

A)Internet Society
B)Internet Engineering Task Force
C)Internet Engineering Steering Committee
D)Internet Architecture Board
E)Internet Research Task Force

Question 57

The ___________ is responsible for technical management of IETF and the Internet standards process.

A)Internet Society
B)University Corporation for Advanced Internet Development
C)Internet Engineering Steering Committee
D)Internet Architecture Board
E)Internet Research Task Force

Question 58

A cable company headend is also referred to as a:

A)Abilene network
B)WAP proxy
C)cable modem
D)distribution hub
E)fiber node

Question 59

WiMAX was designed to use the _______ frequencies.

A)2.3 GHz and 3.1 GHz
B)2.4 GHz and 5 GHz
C)2.3 GHz, 2.5 GHz, and 3.5 GHZ
D)1.44 GHz, 2.4 GHz, and 5 GHz
E)any frequency between 2.3 GHz and 3.5 GHz

Question 60

In a DSL environment, local loops from many customers enter and are connected to the

A)central office
B)computer center
C)main central office
D)main distribution facility
E)rack

Question 61

Do you think cable modem or DSL service is better? Why?

Question 62

What are the principal organizations responsible for the governance of the Internet and what do these groups do?

Question 63

Describe how WiMAX works.

Question 64

Internet2® is an organization of about _____ universities, corporations, government agencies, and organizations.

A)100
B)250
C)400
D)750

Question 65

Draw a picture that describes the peering arrangements, and explores the concept that the Internet is a network of networks.

Question 66

What are some future technologies that might change how we access the Internet?

Question 67

Why is FTTH such a good option if it is available in your area?

Question 68

Which will be the technology of the Internet in five years? Why? Defend your answer.

Question 69

What is the basic structure of the Internet?

Question 70

Draw a chart with the headings of 1. Internet access type, 2. How Internet Access Type works, 3. Analysis of Internet Access type. Then, proceed to fill out the chart for DSL and Cable Modem.

Question 71

Explain why you might have to wait a long time to get a web page from a server in your own city.

Question 72

What is Internet 2?

Question 73

Describe some of the security implications of having so many connected devices in your home today.