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Telephone: Quiz

  
  

Question 1: IP telephony uses an Internet connection and hardware IP Phones or softphones installed on personal computers to transmit conversations encoded as ________.
Transmission Control ProtocolInternet Protocol SuiteIPv4Packet (information technology)

Question 2: 28 December 1871 — ________ files a patent caveat (n.3335) in the U.S.
TelephoneUnited StatesAntonio MeucciAlexander Graham Bell

Question 3:
Which of the following titles did Telephone have?
Mall Workers vs. Telephone Industry
Telephone
Telephone Time
Lungs, Beakmania & Telephones

Question 4: The ________ (PSTN) has gradually evolved towards digital telephony which has improved the capacity and quality of the network.
Telephone exchangeIntegrated Services Digital NetworkDigital Signal 1Public switched telephone network

Question 5: Disadvantages of single wire operation such as crosstalk and hum from nearby AC power wires had already led to the use of ________ and, for long distance telephones, four-wire circuits.
TIA/EIA-568-B8P8CCategory 5 cableTwisted pair

Question 6: What does the following picture show?

  Alexander Graham Bell's telephone patent[1] drawing, 7 March 1876.
  A U.S. candlestick telephone in use, circa 1915
  Early telephone with hand cranked generator
  Antique oak hand crank "double phone", generally called this by collectors because two pieces are mounted on a single long flat panel, as contrasted to the single long box phone (above).

Question 7: What does the following picture show?

  Modern emergency telephone powered by sound alone.
  Hardware-based IP phone
  An Olivetti rotary dial telephone, c.1940s
  A U.S. candlestick telephone in use, circa 1915

Question 8: Today the end instrument often remains analog but the analog signals are typically converted to digital signals at the (Serving Area Interface (SAI), ________ (CO), or other aggregation point.
Crossbar switchTelephone exchangePanel switchTelephone

Question 9: The user alerted the other end, or the exchange operator, by ________ into the transmitter.
Andy Offutt IrwinAl JolsonJazzWhistling

Question 10: Unless the IP telephone's components are backed up with an uninterruptible power supply or other emergency power source, the phone will cease to function during a ________ as can occur during an emergency or disaster, exactly when the phone is most needed.
Electric power transmissionSmart gridPower outageGrid energy storage
















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