internet

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

Answer:

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

Answer: A

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 Answer: A

Answer: A

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

Answer: A

In general, local ISPs make money by charging ________. a. customers b. ICANN c. UCAID d. the DSLAM e. CSUs/DSUs

Answer: A

National 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

Answer: A

Running fiber optic cable into the home as an alternative networking technology to DSL is called: a. passive optical networking b. active optical networking c. passive fibrous networking d. active fibrous networking e. wireless networking

Answer: A

The multipoint version of fixed wireless is sometimes known as: a. point-to-multipoint b. point-to-point c. CA*Net3 d. DOCSIS e. DSLAM

Answer: A

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.

Answer: A

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

Answer: B

At the top of the Internet structure are national ___________, such as AT&T and Sprint. a. Network Access Points b. Internet service providers c. bridges d. LATAs e. digital subscriber lines

Answer: B

CA*Net3 was developed by a Canadian organization known as: a. IETF b. ARDNOC c. ADSL d. RFC e. UCAID

Answer: B

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

Answer: B

Very-high-data-rate DSL uses multiplexing to provide _________ channels. a. two b. three c. four d. five e. six

Answer: B

Which of the following groups developed the Canadian next generation Internet? a. MCI WorldCom b. ARDNOC c. UCAID d. Yipes e. NSF

Answer: B

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

Answer: B

Wireless DSL requires __________ to be effective. a. Abilene networks b. tall buildings or towers c. cable modems d. fiber nodes e. hybrid fiber coax

Answer: B

__________ has led to the belief that the Internet is "free". a. Encrypting b. Peering c. Bridging d. Tolling e. Polling

Answer: B

___________ 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

Answer: B

A DSL modem is also known as a: a. DSL bridge b. DSL brouter c. DSL router d. DSL gateway e. DSL hub

Answer: C

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

Answer: C

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

Answer: C

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

Answer: C

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

Answer: C

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

Answer: C

To balance the trade-off between speed and distance in ADSL, most ADSL service providers have chosen a T1 level of ADSL, and offer it under the trademarked name of _________ ADSL. a. CA*net 3 b. DOCSIS c. G.Lite d. OE e. UCAID

Answer: C

Which of the following groups developed Internet 2? a. MCI WorldCom b. ARDNOC c. UCAID d. Yipes e. ISOC

Answer: C

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

Answer: D

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

Answer: D

A headend is also referred to as a: a. Abilene network b. WAP proxy c. cable modem d. distribution hub e. fiber node

Answer: D

A transceiver at the WAP gateway passes requests to a __________ server from a handheld device. a. main distribution b. Internet Society c. local loop d. wireless telephony application e. line splitter

Answer: D

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

Answer: D

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

Answer: D

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

Answer: D

Internet 2 is also known as: a. CA*Net3 b. IETF c. Next Generation Internet d. the Abilene network e. passive optical networking

Answer: D

One advantage of _____________ is that no conversations between LAN and WAN protocols are needed. a. active fibrous networking b. The Abilene network c. CA*Net3 d. ethernet to the home e. Next Generation Internet

Answer: D

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

Answer: D

Which of the following is one of the national ISPs in North America? a. IETF b. IEEE c. IAB d. Sprint e. ISOC

Answer: D

_________ are smaller versions of NAPs that link a set of regional ISPs. a. mini Network Access Points b. cable modem termination system endpoints c. distribution hubs d. metropolitan area exchanges e. points-of-presence

Answer: D

_________ is being pioneered by Yipes.com. a. Active fibrous networking b. The Abilene network c. CA*Net3 d. Ethernet to the home e. Next Generation Internet

Answer: D

___________ is designed to enable the use of normal Web applications on computers and devices with small display screen operating over low speed wireless connections. a. CA*Net3 b. The Abilene network c. Internet 2 d. Wireless Application Protocol e. X.25 protocol

Answer: D

A ____________ translates a wireless application request to HTTP and sends it over the Internet to the desired Web server. a. passive optical scanner b. local loop c. cable modem d. peer e. WAP proxy

Answer: E

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

Answer: E

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

Answer: E

Asymmetric DSL uses ___________ multiplexing to create three separate channels over one local loop circuit. a. inverse b. time division c. statistical time division d. wave division e. frequency division

Answer: E

In passive optical networking, the optical signal has a maximum length of about __________. a. 500 meters b. 1000 meters c. 1 mile d. 5 miles e. 10 miles

Answer: E

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

Answer: E

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

Answer: E

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

Answer: E

Which of the following new Internet efforts was started by 34 universities? a. CA*net 3 b. ARDNOC c. vBNS d. NGI e. UCAID

Answer: E

ADSL is called asymmetric because its two data channels have exactly the same speed.

Answer: False

Another term for a DSL modem is a DSL brouter.

Answer: False

Digital Subscriber Line is a family of multipoint technologies.

Answer: False

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

Answer: False

Fiber-to-the-home is another term for satellite fixed wireless technology.

Answer: False

Network access points were originally designed to connect only local ISPs.

Answer: False

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

Answer: False

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

Answer: False

The Internet is flat in structure.

Answer: False

The Internet is one large network.

Answer: False

The least common type of DSL in use today is Asymmetric DSL.

Answer: False

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

Answer: False

Very-high-data-rate Digital Subscriber Line is designed for use over long local loops.

Answer: False

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

Answer: True

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

Answer: True

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

Answer: True

Internet 2 is the common name for the Abilene network.

Answer: True

National Internet service providers connect together and exchange data at Network Access Points.

Answer: True

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

Answer: True

The dominant standard for a cable modem is Data over Cable System Interface Specification.

Answer: True

Wireless Application Environment supports mobile wireless Internet applications on devices with small display screens operating over low speed wireless connections.

Answer: True

Wireless DSL is a line-of-sight technology

Answer: True