Deck 9: The Internet

Question 1

Another term for a DSL modem is a DSL brouter.

Answer 1

False

Question 2

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

Answer 2

False

Question 3

The most common type of DSL today is ADSL.

Answer 3

True

Question 4

Digital Subscriber Line is a family of multipoint technologies.

Question 5

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

Question 6

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

Question 7

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

Question 8

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

Question 9

A distribution hub includes a combiner and a Cable modem termination system.

Question 10

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

Question 11

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

Question 12

The Internet is one large network.

Question 13

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

Question 14

Tier 1 service providers connect together and exchange data at Network Access Points.

Question 15

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

Question 16

As the number of ISPs has grown,a new form of network access point called a metropolitan area exchange has emerged.

Question 17

The Internet is flat in structure.

Question 18

IBM recently developed a new WiMAX chip set.

Question 19

DSL uses a remote loop to connect homes to the telephone company end office.

Question 20

Network access points were originally designed to connect only tier 3 ISPs.

Question 21

___________ 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 22

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

Question 23

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 24

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 25

Internet 2 is the common name for the Abilene network.

Question 26

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 27

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 28

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 29

Data traffic from the customers 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 30

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 31

ADSL modem is also known as a:

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

Question 32

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 33

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

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

Question 34

_________ are smaller versions of NAPs that link a set of tier 2 ISPs.

A) mini Network Access Points
B) cable modem termination system endpoints
C) distribution hubs
D) metropolitan area exchanges
E) points-of-presence

Question 35

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 36

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

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

Question 37

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

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

Question 38

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 39

Tier 1 ISPs connect together and exchange data at ___________.

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

Question 40

Technologies that provide higher-speed communications than traditional modems (e.g.,DSL)are known as ______________ technologies.

A) middleband
B) narrowband
C) rubberband
D) metalband
E) broadband

Question 41

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 42

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 43

A(n)___________ 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 44

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 45

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 46

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 47

Which of the following statements is true?

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 48

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 49

The maximum download data rate for cable modem systems is currently

A) 1 Mbps
B) 1.44 Mbps
C) 5 Mbps
D) 100 Mbps
E) 150 Mbps

Question 50

WiMax was designed to easily connect into existing___________.

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

Question 51

At the DSL customer premises is a device called a(n)

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

Question 52

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 53

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 54

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 55

A headend is also referred to as a:

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

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

A(n)__________ 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 58

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 59

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 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 center
E) rack

Question 61

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 62

Which of the following groups developed the Canadian next generation Internet?

A) MCI WorldCom
B) ARDNOC
C) UCAID
D) Yipes
E) NSF

Question 63

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

Question 64

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

Question 65

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 66

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

Question 67

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

Question 68

CA*Net3 was developed by a Canadian organization known as:

A) IETF
B) ARDNOC
C) ADSL
D) RFC
E) UCAID

Question 69

Describe how WiMAX works.

Question 70

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

Question 71

What is Internet 2?

Question 72

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

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

Question 73

Another major high-speed network experimenting with long distance Ethernet over fiber is _____________.

A) AT&T
B) Sprint
C) Yipes
D) MCI WorldCom
E) the National Lambda Rail

Question 74

Which is better- cable modem or DSL?Why?

Question 75

Compare and contrast the NAP and MAE,and define the POP.

Question 76

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 77

What is the basic structure of the Internet?

Question 78

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 79

Internet 2 is also known as:

A) CA*Net3
B) IETF
C) Next Generation Internet
D) the Abilene network
E) passive optical networking

Question 80

Which of the following groups developed Internet 2?

A) MCI WorldCom
B) ARDNOC
C) UCAID
D) Yipes
E) ISOC