DeVry NETW 250 NETW/250 NETW250 Week 4 Quiz Solutions

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  1. (TCO 7) Which ITU standard regulates international public phone numbers?
  2. (TCO 7) Which of the following is correct about the call on hold feature or button of a PBX phone?
  3. (TCO 7) Which of the following is a function of typical unified communications (UC) conferencing systems?
  4. (TCO 7) Which of the following is not the area code of a toll-free number?
  5. (TCO 7) Which telephony feature allows a direct external call to a PBX station without the assistance of an attendant?
  6. (TCO 7) For the purpose of traditional 911 emergency service, the early calling line identification (CLID) indicates a physical address without ambiguity when _____.
  7. (TCO 7) What information is typically used by the 911 management server to resolve the location of an IP phone on an enterprise network?
  8. (TCO 7) Which entity, if there is any, on an enterprise network determines and assigns Emergency Location Identification Numbers (ELINs) to IP phones?
  9. (TCO 7) ITU Recommendation _____ describes real-time faxing over the PSTN between two fax machines with analog interfaces.
  10. (TCO 7) Which of the following newer telephony features is made possible by VoIP?