A Bundle of Spectrum Field Tech Exam With Complete Solution

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...

What is unique about WDM - PON ? -Answer WDM-PON deployed in a greenfield system allows each subscriber to get their own designated wavelength. What is the main benefit of deploying WDM technology? -Answer It will increase the capacity of the existing fiber networks tenfold without adding any m...

Which of these components is used in a passive optical network (PON)? -Answer Optical splitters. Which should be used to cut the fiberdrop's buffer tube? -Answer A tube cutter What is one reason why broadband cable operators install fiber-optic cable in stages instead of changing the infras...

What does the "S" in S.A.F.E stand for? -Answer Stop What does the "A" in S.A.F.E stand for? -Answer Assess What does the "F" in S.A.F.E stand for? -Answer Focus What does the "E" in S.A.F.E stand for? -Answer Eliminate What are the three branches of the Safety Triangle? -Ans...

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 ...

The open system interconnection reference model (OSI/R<) Network layer serves which primary function? -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 ...

Which of the following is most typical of a broadband network? -Answer Multiple analog channels What components are common to all computer systems? (Check all that apply.) -Answer Processor Memory Storage I/O What does I/O stand for? -Answer Input / Output A NIC is a device used for: ...

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 o...

In a coaxial cable, where does radio frequency travel? -Answer Near the surface of the center conductor Attenuation is the signal loss caused by cable length. It is measured in what unit? -Answer dB The length of coaxial cable is directly proportional to the ____________ that will be suffere...

What term describes the number of wave crests that pass a fixed point during a particular period of time? -Answer Frequency In data networking, this term is defined as "Signals may flow in either direction, but not simultaneously". -Answer Half Duplex Two CPUs have the same size data bus....