Field tech stuvia - Study guides, Class notes & Summaries

Which piece of equipment in the VoIP phone system routes a call to the public switched telephone network (PTSN) when the receiving location is from outside the PacketCable managed IP network? - ANSWER-Gateway What are the three sub-network interfaces managed by PacketCable? - ANSWER-Hybrid fiber/coax (HFC), managed IP, and public switched telephone network (PSTN). Why is PacketCable VoIP a more efficient way of handling calls? - ANSWER-Most cable operators have built their own IP telephone...

What is one reason why broadband cable operators install fiber-optic cable in stages instead of changing the infrastructure all at once? - ANSWER-Changing the infrastructure all at once would cause too many service disruptions. What is the difference between the fiber-to-the-node (FTTN) and fiber-to-the-curb (FTTC) topologies? - ANSWER-An FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the customer premises. Which of these components is used in a passive opt...

What is one reason why broadband cable operators install fiber-optic cable in stages instead of changing the infrastructure all at once? - ANSWER-Changing the infrastructure all at once would cause too many service disruptions. What is the difference between the fiber-to-the-node (FTTN) and fiber-to-the-curb (FTTC) topologies? - ANSWER-An FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the customer premises. Which type of star topology used in a passive op...

True or False: MER is a much better measure of digital signal quality than C/N. - ANSWER-True What are common cable problems that lead to reflections? (Choose 3) - ANSWER-Water or Moisture/// Sheath faults or cuts/// Crimps, Kinks, or Compressed Cables True or False: Communication signals travel faster over coax than over unshielded twisted pair. - ANSWER-True The standard method of locating a leak using a dipole antenna is called: - ANSWER-triangulate the of source of a leak True or...

Spectrum Field Tech Exam Questions and Answers 100% CorrectSpectrum Field Tech Exam Questions and Answers 100% CorrectSpectrum Field Tech Exam Questions and Answers 100% CorrectSpectrum Field Tech Exam Questions and Answers 100% Correct Current/ amperage - ANSWER-Flow or movement of electric charges Resistor - ANSWER-a passive two-terminal material that impedes the flow of current What is the most common workplace hazard involving electricity? - ANSWER-Electrical shocks

Which concept has enabled Software as a Service (SaaS), Platform as a Service (PaaS), and Networking as a Service (NaaS) offerings? - ANSWER-The separation of the transport and connectivity from the applications and services running atop the transport. Which piece of equipment in a VoIP (voice over Internet protocol) phone system routes a call to the public switched telephone network (PSTN) when the receiving location is from outside the Packet Cable managed IP network? - ANSWER-Gateway ...

What is one reason why broadband cable operators install fiber optic cables in stages instead of changing the infrastructure all at once - ANSWER-Changing the infrastructure all at once would cause too many service disruptions What is the difference between FTTN and FTTC - ANSWER-FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the customer premises Which of these components is used in a PON(Passive Optical Network) - ANSWER-Optical Splitters Which type of...

What is one reason why broadband cable operators install fiber-optic cable in stages instead of changing the infrastructure all at once? - ANSWER-Changing the infrastructure all at once would cause too many service disruptions. What is the difference between the fiber-to-the-node (FTTN) and fiber-to-the-curb (FTTC) topologies? - ANSWER-An FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the customer premises. Which of these components is used in a passive opt...

What is one reason why broadband cable operators install fiber-optic cable in stages instead of changing the infrastructure all at once? - ANSWER-Changing the infrastructure all at once would cause too many service disruptions. What is the difference between the fiber-to-the-node (FTTN) and fiber-to-the-curb (FTTC) topologies? - ANSWER-An FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the customer premises. Which type of star topology used in a passive opti...

The Open Systems Interconnection reference model (OSI/RM) Network Layer serves which primary purpose? - ANSWER-It uses Layer 3 addresses to create multiple routed networks. The address 68.56.189.17 belongs to which Internet protocol (IP) class? - ANSWER-Class A. What happens to a datagram sent by a higher level protocol to a 127.x.y.z address? - ANSWER-The datagram loops back inside the host and never leaves the network interface card (NIC). Which device evaluates and acts upon a packet...