p7c06a

p7c06a - MULTI PLE CHOI CE. Choose the one alterna tive...

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MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question. 
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The PSTN  carries  ________  signals. 
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1)  _______  A) 
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voice 
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B)  video 
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Both of the above. 
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D)  Neither  of the above.    2
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Wide area  networks for  data  normally use  the PSTN  for  transmission
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2)  _______  A) 
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True. 
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B)  False.    3
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Which of the  following is  NOT one of  the four  technical  elements of  the PSTN? 
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3)  _______  A)  Transport.  B) 
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Signaling.  D) 
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Switching.  E) 
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Customer premises  equipment.   
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PBXs are  classified as  customer  premises  equipment. 
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4)  _______  A) 
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True. 
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B)  False.    5
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To route  telephone  calls  between  internal  telephones  and between  internal  telephones  and the  PSTN,  companies  use a PBX. 
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5)  _______  A) 
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True. 
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B)  False.    6
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For  telephone  wiring  within  company  buildings,  companies  have  traditionally  used  ________. 
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6)  _______  A) 
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1 - pair voice - grade UTP 
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B)  4 - pair  UTP 
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2 - pair data - grade UTP 
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p7c06a - MULTI PLE CHOI CE. Choose the one alterna tive...

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