istm 310 exam 2 201-227

Most WiMAX providers in the US are using an effective data range of 0.5 to 1.5 miles 3-10 miles 1-3 miles 0.5-50 miles 1-5 miles

0.5 to 1.5 miles

A T1 level of ADSL has a maximum downstream rate of about _________ Mbps. 9000 8.4 1.5 650 6.1

1.5

WiMAX was designed to use the _______ frequencies. 2.3 GHz and 3.1 GHz 2.4 GHz and 5 GHz 2.3 GHz, 2.5 GHz, and 3.5 GHZ 1.44 GHz, 2.4 GHz, and 5 GHz any frequency between 2.3 GHz and 3.5 GHz

2.3 GHz, 2.5 GHz, and 3.5 GHZ

At the DSL local carrier's office, the __________ demultiplexes the data streams and converts them into digital data. DSLAM GrandSlam WAP Line splitter X.25 PAD

DSLAM

Peering has led to the emergence of a new organization type called the _______, which permits any ISP to connect to its network. Gigapop Autonomous system ISP IXP Service provider

IXP

The ___________ is responsible for technical management of IETF and the Internet standards process. Internet Society University Corporation for Advanced Internet Development Internet Engineering Steering Committee Internet Architecture Board Internet Research Task Force

Internet Engineering Steering Committee

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. Internet Society Internet Engineering Task Force Internet Engineering Steering Committee Internet Architecture Board Internet Research Task Force

Internet Engineering Task Force

Some of the new applications being developed for a high-speed Internet include Tele-immersion Tele-conferencing QoS Broadband Tele-phoning

Tele-immersion

Internet2® is an organization of about _____ universities, corporations, government agencies, and organizations. 100 250 400 750

400

A digital service offered by cable companies is the _________. Abilene network WAP proxy G.Lite ADSL Cable modem Next Generation Internet

Cable modem

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. Internet steering system Optical-electrical converter WAP proxy Cable modem termination system Fixed wireless system

Cable modem termination system

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. Modem Router Bridge Combiner CMTS

Combiner

At the DSL customer premises is a device called a(n) Cable modem DSLAM DSL modem Internet router DSL bridge

DSL modem

A DSL modem is also known as a: DSL bridge DSL brouter DSL router DSL gateway DSL hub

DSL router

A cable company headend is also referred to as a: Abilene network WAP proxy Cable modem Distribution hub Fiber node

Distribution hub

WiMax was designed to easily connect into existing ___________. Wide area networks Backbone networks Ethernet LANs ATM backbones FTTH

Ethernet LANs

The _________ operates like the IETF through small research groups focused on specific issues. Internet Society University Corporation for Advanced Internet Development Internet Engineering Steering Committee Internet Architecture Board Internet Research Task Force

Internet Research Task Force

The closest the Internet has to an "owning" organization is the ___________. Internet Service Provider Abilene network CA*Net3 University Corporation for Advanced Internet Development Internet Society

Internet Society

Which of the following new Internet efforts was started by 34 universities? CA*net 3 ARDNOC VBNS NGI Internet2

Internet2

In 1996, The National Science foundation provided $100 million to start the ___________ program to develop the very-high-performance Backbone Network Service. CA*Net3 UCAID Next Generation Internet Internet 3 WAP proxy

Next Generation Internet

Which of the following statements is true in regards to DSL? On a circuit, the shorter the distance, the higher the speed. On a circuit, the longer the distance, the higher the speed. On a circuit, the longer the distance, less attenuation occurs. On a circuit, the shorter the distance, more attenuation occurs. When more attenuation occurs, higher frequency signals can be used effectively.

On a circuit, the shorter the distance, the higher the speed.

A(n) __________ is used to connect a fiber optic cable from the cable TV company side to a coaxial cable on the customer side. CA*net 3 RFC WAP proxy Fixed wireless connection Optical-electrical converter

Optical-electrical converter

Which of the following is not part of the work of the Internet Society? public policy connecting optical-electrical converters education development of Internet standards maintenance of Internet standards

connecting optical-electrical converters

A high-speed Internet has a set of access points called ____ pops that provide point-of-presence at ________ speeds. giga, gigabit mega, megabit multi, multibit giga, megabit multi, gigabit

giga, gigabit

Another term for cable networks that use both fiber-optic and coaxial cable is __________. fixed wireless mobile wireless distribution hub hybrid fiber coax fibrax

hybrid fiber coax

In a DSL environment, local loops from many customers enter and are connected to the central office computer center main central office main distribution facility rack

main distribution facility

Fiber to the Home uses frequency division multiplexing wavelength division multiplexing time division multiplexing statistical time division multiplexing all of the above

wavelength division multiplexing