Flashcard Internet
Unlock all answers in this set
Unlock answersquestion
The Internet is one large network.
answer
Answer: False
question
The Internet is flat in structure.
answer
Answer: False
question
National Internet service providers connect together and exchange data at Network Access Points.
answer
Answer: True
question
Network access points were originally designed to connect only local ISPs.
answer
Answer: False
question
As the number of ISPs has grown, a new form of network access point called a metropolitan area exchange has emerged.
answer
Answer: True
question
Peering means that a national ISP does not charge another national ISP to transmit its messages.
answer
Answer: True
question
A point of presence is the place at which the ISP provides services to its customers.
answer
Answer: True
question
Technologies such as DSL and cable modem are called narrowband technologies.
answer
Answer: False
question
Digital Subscriber Line is a family of multipoint technologies.
answer
Answer: False
question
To use DSL, a customer needs a DSL Access Multiplexer installed at his or her location.
answer
Answer: False
question
Another term for a DSL modem is a DSL brouter.
answer
Answer: False
question
The least common type of DSL in use today is Asymmetric DSL.
answer
Answer: False
question
ADSL is called asymmetric because its two data channels have exactly the same speed.
answer
Answer: False
question
Very-high-data-rate Digital Subscriber Line is designed for use over long local loops.
answer
Answer: False
question
The dominant standard for a cable modem is Data over Cable System Interface Specification.
answer
Answer: True
question
A distribution hub includes a combiner and a Cable modem termination system.
answer
Answer: True
question
Wireless DSL is a line-of-sight technology
answer
Answer: True
question
Wireless Application Environment supports mobile wireless Internet applications on devices with small display screens operating over low speed wireless connections.
answer
Answer: True
question
Fiber-to-the-home is another term for satellite fixed wireless technology.
answer
Answer: False
question
The Internet Engineering Steering Group provides strategic architectural oversight for the Internet.
answer
Answer: False
question
Internet 2 is the common name for the Abilene network.
answer
Answer: True
question
Each of the networks in Internet 2 has a set of access points called terapops.
answer
Answer: False
question
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
Answer: B
question
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
Answer: A
question
_________ 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
Answer: D
question
__________ has led to the belief that the Internet is "free". a. Encrypting b. Peering c. Bridging d. Tolling e. Polling
answer
Answer: B
question
___________ 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
Answer: B
question
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
Answer: D
question
In general, local ISPs make money by charging ________. a. customers b. ICANN c. UCAID d. the DSLAM e. CSUs/DSUs
answer
Answer: A
question
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
Answer: B
question
Which of the following is one of the national ISPs in North America? a. IETF b. IEEE c. IAB d. Sprint e. ISOC
answer
Answer: D
question
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
Answer: E
question
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
Answer: D
question
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
Answer: C
question
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
Answer: A
question
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
Answer: C
question
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
Answer: D
question
A DSL modem is also known as a: a. DSL bridge b. DSL brouter c. DSL router d. DSL gateway e. DSL hub
answer
Answer: C
question
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
Answer: A
question
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
Answer: E
question
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
Answer: C
question
Very-high-data-rate DSL uses multiplexing to provide _________ channels. a. two b. three c. four d. five e. six
answer
Answer: B
question
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
Answer: A
question
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
Answer: D
question
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
Answer: D
question
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
Answer: C
question
A headend is also referred to as a: a. Abilene network b. WAP proxy c. cable modem d. distribution hub e. fiber node
answer
Answer: D
question
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
Answer: B
question
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
Answer: E
question
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
Answer: D
question
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
Answer: A
question
___________ 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
Answer: D
question
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
Answer: D
question
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
Answer: E
question
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
Answer: A
question
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
Answer: E
question
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
Answer: C
question
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
Answer: E
question
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
Answer: C
question
Internet 2 is also known as: a. CA*Net3 b. IETF c. Next Generation Internet d. the Abilene network e. passive optical networking
answer
Answer: D
question
CA*Net3 was developed by a Canadian organization known as: a. IETF b. ARDNOC c. ADSL d. RFC e. UCAID
answer
Answer: B
question
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
Answer: E
question
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
Answer: E
question
Which of the following groups developed the Canadian next generation Internet? a. MCI WorldCom b. ARDNOC c. UCAID d. Yipes e. NSF
answer
Answer: B
question
Which of the following groups developed Internet 2? a. MCI WorldCom b. ARDNOC c. UCAID d. Yipes e. ISOC
answer
Answer: C
question
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
Answer: A
question
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
Answer:
question
_________ 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
Answer: D
question
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
Answer: D
question
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
Answer: E
question
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
Answer: B
question
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
Answer: B
question
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
Answer: C
