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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 netwo...

Exam (elaborations)
• 19 pages •
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ACI FIELD 1 • ACI FIELD 1

Spectrum Field Tech questions with correct answers

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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 What is minimum approach distance? Answer The shortest safe distance to keep from energized conductors CATV at the pole Answer 40'' CATV at the mid-span Answer 24'' CATV at the house Answer 12'' Live parts of electric equipment must be guard...

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• 8 pages •
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ACI FIELD 1 • ACI FIELD 1

Progression: Field Tech II - III Conventional questions with correct answers

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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 optical...

Exam (elaborations)
• 26 pages •
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ACI FIELD 1 • ACI FIELD 1

Spectrum field tech 1 test questions with correct answers

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Upstream frequency ranges Answer between 5Mhz and 42Mhz Downstream frequency ranges Answer Between 50MHz 860MHz Upstream frequency ranges Answer 5MHz and 42 MHz A 6 MHz downstream channel can hold Answer 2-4 hd channels or 8-12 standard definition channels Egress Answer When a signal leaks out of a cable Ingress Answer when a signal leaks into a cable Field technicians are responsible from Answer The tap to the CPE (customer premise equipement) The most preferred BER is meas...

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• 16 pages •
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ACI FIELD 1 • ACI FIELD 1

ACI Certification Section 3 questions with correct answers

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1.5 inches Answer The slump test is applicable to plastic concrete with a maximum size aggregate of ... wet sieved over a 1.5" sieve Answer When the concrete contains aggregate larger than allowed for the slump test, the large aggregate must be ... frustum of a cone Answer The mold for making the slump test is in the shape of ... 12 inches Answer The height of the slump mold is ... False Answer The interior surface of the slump mold is allowed to have minor irregularities. True or F...

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ACI FIELD 1 • ACI FIELD 1

ACI Certification Section 7 questions with correct answers.

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making, curing, protecting, transporting Answer Practice C31/C31m gives standardized requirements for ______, _________ , ________ and _________. 5/8 plus or minus 1/16" Answer For cylinders with a diameter of 150 mm [6 in] or greater, the tamping rod must be a round, straight steel rod with a diameter of ... 9,000 vibrations per minute Answer The minimum frequency of an internal vibrator used in this procedure is ... metal pan, wheelbarrow, clean nonabsorbent mixing board Answer The c...

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ACI FIELD 1 • ACI FIELD 1

ACI Certification Ch 7-Procedures for finishing slabs-on-ground questions with correct answers

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correct answers Rigid supports for a straightedge used to stick off concrete can be: a. temporary pipes or rails b. edge forms c. the top of the edge of adjacent hardened concrete d. all of the above Answer d. all of the above How can workers avoid low spots when using hand operated straightedges? Answer Make sure there is always enough concrete ahead of the straightedge. Hand-held vibrating screeds are often useful when striking off concrete with ________ ________. Answer wet screeds...

Exam (elaborations)
• 6 pages •
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ACI FIELD 1 • ACI FIELD 1

ACI Certification: Sample Written Exam Questions with correct answers

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False Answer The method of determining air content containing lightweight aggregate is the pressure method. True or False? True Answer When making a test cylinder from concrete being used in construction, the field technician must also measure the slump of the concrete. True or False? Disregard the test and retest on another portion of the sample. Answer While the technician is checking the slump of the concrete, there is a decided falling away or shearing off of the concrete from one side...