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In recent years, networks of fiber-optic cable have been

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In recent years, networks of fiber-optic cable have been [#permalink] New post 17 Sep 2006, 23:56
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In recent years, networks of fiber-optic cable have been replacing electrical wire for transmitting telecommunications signals. Signals running through fiber-optic cables deteriorate, and so the signals must be run through a piece of equipment called a regenerator before being transmitted father. Light-Line is the leading manufacturer of signal regenerators. Therefore, Light-line is one of the companies that will most benefit if new long-distance fiber-optic telecommunications networks are constructed.

Which of the following, if true, casts the most doubt on the prediction about light-ling’s prospects?

A: Telecommunications signals sent along electrical wires can travel much farther than signals transmitted through fiber-optic before needing to be regenerated.

B: Expanding its production of regenerators will require Light-line to spend proportionately more on labor and materials.

C: The volume of signals that a fiber-optic cable can carry is several thousand times greater than the volume that can be carried by an electrical wire of similar size.

D: There are technologies that enable telecommunications signals to be transmitted without either wire or fiber-optic cable.

E: Several manufacturers are developing regenerator technologies that will allow signals to be transmitted many times farther than at present before requiring regeneration.
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 [#permalink] New post 18 Sep 2006, 00:08
I'm going with E.

A: Telecommunications signals sent along electrical wires can travel much farther than signals transmitted through fiber-optic before needing to be regenerated. - IRRELEVANT. conclusion is - 'Light-line is one of the companies that will most benefit if new long-distance fiber-optic telecommunications networks are constructed'

B: Expanding its production of regenerators will require Light-line to spend proportionately more on labor and materials. - SO? This does not mean that it will not benifit.

C: The volume of signals that a fiber-optic cable can carry is several thousand times greater than the volume that can be carried by an electrical wire of similar size. - IRRELEVANT.We are only bothered about whether Light Line will benifit or not.

D: There are technologies that enable telecommunications signals to be transmitted without either wire or fiber-optic cable. - Same as A

E: Several manufacturers are developing regenerator technologies that will allow signals to be transmitted many times farther than at present before requiring regeneration. - RIGHT.
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 [#permalink] New post 18 Sep 2006, 00:40
Going to E too.
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Re: CR-telecommunications signals [#permalink] New post 18 Sep 2006, 03:46
jerrywu wrote:
In recent years, networks of fiber-optic cable have been replacing electrical wire for transmitting telecommunications signals. Signals running through fiber-optic cables deteriorate, and so the signals must be run through a piece of equipment called a regenerator before being transmitted father. Light-Line is the leading manufacturer of signal regenerators. Therefore, Light-line is one of the companies that will most benefit if new long-distance fiber-optic telecommunications networks are constructed.

Which of the following, if true, casts the most doubt on the prediction about light-ling’s prospects?

A: Telecommunications signals sent along electrical wires can travel much farther than signals transmitted through fiber-optic before needing to be regenerated.

B: Expanding its production of regenerators will require Light-line to spend proportionately more on labor and materials.

C: The volume of signals that a fiber-optic cable can carry is several thousand times greater than the volume that can be carried by an electrical wire of similar size.

D: There are technologies that enable telecommunications signals to be transmitted without either wire or fiber-optic cable.

E: Several manufacturers are developing regenerator technologies that will allow signals to be transmitted many times farther than at present before requiring regeneration.


If these manufacturers succeed, Light-line can go bankrupt.
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Re: CR-telecommunications signals [#permalink] New post 18 Sep 2006, 07:18
My answer is E....
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 [#permalink] New post 18 Sep 2006, 07:45
D is out of scope wrt to overall argument.

E makes sense.
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 [#permalink] New post 18 Sep 2006, 09:23
E as well...

Just out of curiosity... what difficulty level would a problem like this be?..
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 [#permalink] New post 18 Sep 2006, 09:29
Straight E.
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 [#permalink] New post 18 Sep 2006, 11:33
Going for E here.
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 [#permalink] New post 18 Sep 2006, 11:47
straight E.
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 [#permalink] New post 18 Sep 2006, 12:32
E as well.
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Re: CR-telecommunications signals [#permalink] New post 22 Feb 2008, 18:54
E for me as well ... oldie, but thought Id bump this up for the rest of us to look at :)
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Re: CR-telecommunications signals [#permalink] New post 22 Feb 2008, 22:48
hi,
E for me too.
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Re: CR-telecommunications signals [#permalink] New post 03 Mar 2008, 01:05
I would like to go with "E"
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Re: CR-telecommunications signals [#permalink] New post 03 Mar 2008, 09:04
definitely E
Re: CR-telecommunications signals   [#permalink] 03 Mar 2008, 09:04
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