- Study guides, Class notes & Summaries

NCTI TECH 4 TO 5 CH. TEST STUDY GUIDE Exam questions and answers Graded A+ latest update What term describes the number of wave crests that pass a fixed point during a particular period of time? - Frequency In data networking, this term is defined as "Signals may flow in either direction, but not simultaneously". - Half Duplex Two CPUs have the same size data bus. Which one will process data faster? - The one with a higher clock speed This unique ID number is coordinated by the In...

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13 pages

Written in 2026/2027

Grade A+

Wisegrades

NCTI S 5-6 Exam questions and answers Graded A+ latest update How does an ATM cell differ from packet? - A cell used in connection less network Which features does a STB with digital only capabilities have? - Digital tuner,

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6 pages

Written in 2026/2027

Grade A+

Wisegrades

NCTI S 5-6 Exam questions and answers Graded A+ latest update Which of the six-step troubleshooting process steps requires asking the customer specific questions to gather more information about the problem so a clear problem statement can be created Identify the problem Which features does a STB with digital only capabilities have? Digital tuner,Analog Video and Audio output Which telephone feature allows an incoming call when faced with a busy line to roll to the number until finds a ...

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9 pages

Written in 2026/2027

Grade A+

Wisegrades

NCTI S 5-6 Exam questions and answers Graded A+ latest update Which of the six-step troubleshooting process steps requires asking the customer specific questions to gather more information about the problem so a clear problem statement can be created - Identify the problem Which features does a STB with digital only capabilities have? - Digital tuner,Analog Video and Audio output Which telephone feature allows an incoming call when faced with a busy line to roll to the number until find...

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16 pages

Written in 2026/2027

Grade A+

Wisegrades

NCTI pharm 5 Exam questions and answers Graded A+ latest update Epinephrine (Adrenalin) classification Sympathomimetic Epinephrine (Adrenalin) Mechanism of Action Alpha, beta agonist. Alpha: Vasoconstriction. Beta-1: Positive inotrope, chronotrope, dromotrope. Beta-2: bronchial smooth muscle relaxation, skeletal muscle vascular dilation. Blocks histamine receptors. Epinephrine (Adrenalin) Indications Cardiac arrest, symptomatic bradycardia (2nd line) Epinephrine (Adrenalin) Contraindic...

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4 pages

Written in 2026/2027

Grade A+

Wisegrades

NCTI Major 1 Review (Other Dude's Review) Exam questions and answers Graded A+ latest update Standard Order - A type of protocol or guideline that is a written document signed by the EMS system's medical director the outlines specific directions, permissions, and sometimes prohibitions regarding patient care that is rendered prior to contacting medical control Protocol -

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24 pages

Written in 2026/2027

Grade A+

Wisegrades

NCTI IV ch 6 Exam questions and answers Graded A+ latest update Which routing type allows network administrators to implement route load balancing and fault tolerance? Dynamic In which two ways might using static routes provide additional network security over other routing options? (Choose two.) They can limit packet traffic to only a single, dedicated route. They share no routing information with other routers. What type of network communication does not require a router's service...

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12 pages

Written in 2026/2027

Grade A+

Wisegrades

NCTI FT 5-6 ALL Exam questions and answers Graded A+ latest update Which piece of equipment in a VoIP phone system routes a call to the public switched telephone network (PSTN) when the receiving location is from outside the PacketCable managed IP network? - Network interface device (NID) What are the three sub-network interfaces managed by PacketCable? - Hybrid fiber/coax (HFC), managed IP, and public switched telephone network (PSTN) Which of the VoIP service tie

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35 pages

Written in 2026/2027

Grade A+

Wisegrades

NCTI Field Tech 5-6 (*UPDATED 9/23/25*) Exam questions and answers Graded A+ latest update MPLS-compatible network routers utilize label tags instead of which other element of a data packet? - IP address The mapping of labels in an MPLS network domain are maintained by which of the following? - LFIB (Label Forwarding Information Base) EoMPLS is a tunneling service, which transports _______________ Ethernet frames over an MPLS network. - Layer 2 What is the mandatory la

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17 pages

Written in 2026/2027

Grade A+

Wisegrades

NCTI Field Tech 3 to 4 Exam questions and answers Graded A+ latest update The address 68.56.189.17 belongs to which Internet protocol (IP) class? Class A What happens to a datagram sent by a higher level protocol to a 127.x.y.z address? The datagram loops back inside the host and never leaves the network interface card (NIC). The Network Layer must do what to a received frame first, in order to determine the route over which it will forward the datagram to the next network? 1.) Change...

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36 pages

Written in 2026/2027

Grade A+

Wisegrades

NCTI FIELD TECH 2 TO 3 PROGRESSION FINAL Exam questions and answers Graded A+ latest update What uses the 2.4-GHz band and runs at 54 Mbps? - 802.11g What is one reason why broadband cable operators install fiber-optic cable in stages instead of changing the infrastructure all at once? - Changing the infrastructure all at once would cause too many service disruptions

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33 pages

Written in 2026/2027

Grade A+

Wisegrades

NCTI FIELD TECH 2 TO 3 Exam questions and answers Graded A+ latest update What uses the 2.4-GHz band and runs at 54 Mbps? - 802.11g What is one reason why broadband cable operators install fiber-optic cable in stages instead of changing the infrastructure all at once? - Changing the infrastructure all at once would cause too many service disruptions.

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33 pages

Written in 2026/2027

Grade A+

Wisegrades

NCTI CHAPTER 1 Exam questions and answers Graded A+ latest update List the six methods by which signals arrive at the cable system headend. - Direct feed, satellite, over-the-air, terrestrial microwave, local origination, and PSTN. What group established the data-over-cable-service-interfacespecification (DOCSIS)? - CableLabs What provides the cable networks interface to the internet? - Cable Modem Termination System (CMTS) In terms of bandwidth, how wide is a video signal in a U.S. cabl...

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3 pages

Written in 2026/2027

Grade A+

Wisegrades

NCTI Buisness Services for Technicians Exam questions and answers Graded A+ latest update Test - Which of the following business support positions can be helpful in diagnosing possible customer issues but can also complicate issues by their inability to be onsite when problems arise? - Remote IT. Which of the following is a characteristics of a large business? - The level of support is minimal as the business is more established. Which survey has information about cabling in walls,spl...

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9 pages

Written in 2026/2027

Grade A+

Wisegrades

NCTI A&P Day 1 (CH1,2,3,4,6,7) Exam questions and answers Graded A+ latest update Lymphatic System - Lymph nodes, lymphatic vessels, lymph Fluid balance, pathogen protection Integumentary System - Skin, hair, nails Regulates body temp Sensory function Skeletal System - Bones, joints, cartilage Protection/support for organs/body Blood cell production Muscular System - Skeletal

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24 pages

Written in 2026/2027

Grade A+

Wisegrades

Ncti 2-3 Exam questions and answers Graded A+ latest update What is the difference between the FTTN and FTTC topologies? - An FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the customer premises. What are the three categories of the fiber-optic cable used to identify the location of the fiber in the network? - Truck, branch, and drop Which type of fiber topology used in a PON places the PON splitters at the headend while providing one designated fiber for...

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34 pages

Written in 2026/2027

Grade A+

Wisegrades

NCTI 5-6 Exam questions and answers Graded A+ latest update Router Directs and loads incoming and outgoing data packets into time slots after selecting the most efficient route(s) for the packets to reach their destination locally and to the Internet. WAP Connects to a wired network, typically using a wireless router or wireless bridge, allowing access into a Wi-Fi network. Hub Receives bits from one p

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27 pages

Written in 2026/2027

Grade A+

Wisegrades

NCTI 4-5 Exam questions and answers Graded A+ latest update Which of the following is most typical of a broadband network? - Multiple analog channels What components are common to all computer systems? - Processor

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33 pages

Written in 2026/2027

Grade A+

Wisegrades

NCTI 4 to 5 Exam questions and answers Graded A+ latest update What term describes the number of wave crests that pass a fixed point during a particular period of time? Bandwidth Phase Frequency Amplitude Frequency In data networking, this term is defined as "Signals may flow in either direction, but not simultaneously".

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45 pages

Written in 2026/2027

Grade A+

Wisegrades

NCTI 4 to 5 Exam questions and answers Graded A+ latest update What term describes the number of wave crests that pass a fixed point during a particular period of time? - Frequency In data networking, this term is defined as "Signals may flow in either direction, but not simultaneously". - Half-duplex Two CPUs have the same size data bus. Which one will process data faster? - The one

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13 pages

Written in 2026/2027

Grade A+

Wisegrades