100% tevredenheidsgarantie Direct beschikbaar na je betaling Lees online óf als PDF Geen vaste maandelijkse kosten
logo-home
Eerder door jou gezocht
Eerder door jou gezocht
logo
NCTI - Installer Book with complete solutions | Latest 2023/2024 €10,33
In winkelwagen
Snel navigeren naar
Voorbeeld
  2.  
  3. Ncti
  4.  
  5. Ncti

Tentamen (uitwerkingen)

NCTI - Installer Book with complete solutions | Latest 2023/2024
 0 keer verkocht

NCTI - Installer Book with complete solutions | Latest 2023/2024 Which of the following will strengthen signals as they move farther away from the headend through the trunk express system? -- B) Distribution amplifiers. Which of the following describes a carrier wave? -- B) A wave with a much hi...

[Meer zien]

Voorbeeld 2 van de 12  pagina's

Document informatie

  • 17 mei 2023
  • 12
  • 2022/2023
  • Tentamen (uitwerkingen)
  • Vragen en antwoorden

Onderwerpen

  • ncti installer book with complete solutions | latest 20232024

Geschreven voor

Alle documenten voor dit vak (454)

Verkoper

avatar-seller
AcademiaExpert

Ontvangen beoordelingen

Voorbeeld van de inhoud

NCTI - Installer Book with complete
solutions.
Which of the following will strengthen signals as they move farther away from the
headend through the trunk express system? -- B) Distribution amplifiers.

Which of the following describes a carrier wave? -- B) A wave with a much higher
frequency than the input signal.

Which of the following describes modulation? -- B) The reshaping of a carrier wave to
include information contained by an input signal.

Which of the following is the symbol for power? -- W = watts

Which of the following describes the process of measuring an analog signal at a specific
interval? -- Sampling

Which of the following is true about the base 10 system? -- B) Digits 0 through 9 are
used.

Which of the following best describes post bit-error-rate (BER)? -- A) A measurement of
all bit error after forward error correction has been applied.

Which of the following compression rates will enable six digital programs to be
transmitted rather than one analog channel in a 6 MHz bandwidth? -- 6:1

At what modulation error ratio (MER) should a 256-quadrature amplitude modulation
(QAM) signal operate? -- 32db or greater

On the return path, signals from many sources must be sent on the same cable. What is
the name of the technique that allows the signals to be sent without losing data
integrity? -- B) Time division multiple access (TDMA).

In a coaxial cable, what is the purpose of the shielding? -- C) Prevents ingress and
egress.

Which of the following describes attenuation? -- A reduction in signal strength through a
cable system.

Which of the following is a feature of multimode fiber? -- B) It is easier to handle and
terminate than single-mode fiber.

Which of the following describes the structure of fiber-optic cable? -- B) Drop fiber
cables may use buffer tubes containing steel wire.

, Which of the following is true about CAT-1 cabling? -- C) It is typically used in voice
applications.

Which of the following twisted-pair cable types is the only one that is approved by
certifying bodies for data rates in excess of 10 Mbps? -- A) CAT-5.

Which of the following is responsible for reducing crosstalk in twisted-pair cable? -- A)
Number of twists.

Wireless networks use low-power RF signals; therefore, which of the following is true
about signal strength? -- A) The greater the distance between wireless devices, the
lower the signal strength and data rate.

Which of the following is true about Wi-Fi technology? -- D) The connection between the
router and modem is always wired.

What percentage does a cables attenuation increase or decrease for every 10° change
in temperature? -- 1%

Which of the following is a characteristic of high-definition television (HDTV)? -- D)
Audio surround sound using Dolby Digital technology.

Which type of screen display has been known to use a great deal of energy, can have a
short lifespan, but has high-contrast, vibrantly accurate color images? -- plasma

Which TV digital format was originally designed for progressive scan DVDs? -- EDTV

Which type of television display has a deeper cabinet, which affects the size of the
screen? -- rear projector

Which device enables customers to schedule recordings of television programs? -- B)
Digital video recorder (DVR). dvr

The cable modem termination system (CMTS) is one of the two main components of
DOCSIS architecture. What is the other? -- B) Cable modem.

Which of the following is the CableLabs-led project built to define the architecture for the
delivery of real-time Internet protocol (IP) applications? -- C) PacketCable.

A cable gateway typically includes a cable modem, multiple quadrature amplitude
modulation (QAM) tuners, a telephone interface, and a multiport and wireless router.
What is the function of the multiple quadrature amplitude modulation (QAM) tuners? --
C) Convert legacy DTV services being transported on QAM carriers to an IP format that
can be received by IP devices.

Dit zijn jouw voordelen als je samenvattingen koopt bij Stuvia:

Bewezen kwaliteit door reviews

Bewezen kwaliteit door reviews

Studenten hebben al meer dan 850.000 samenvattingen beoordeeld. Zo weet jij zeker dat je de beste keuze maakt!

In een paar klikken geregeld

In een paar klikken geregeld

Geen gedoe — betaal gewoon eenmalig met iDeal, creditcard of je Stuvia-tegoed en je bent klaar. Geen abonnement nodig.

Direct to-the-point

Direct to-the-point

Studenten maken samenvattingen voor studenten. Dat betekent: actuele inhoud waar jij écht wat aan hebt. Geen overbodige details!

Veelgestelde vragen

Wat krijg ik als ik dit document koop?

Je krijgt een PDF, die direct beschikbaar is na je aankoop. Het gekochte document is altijd, overal en oneindig toegankelijk via je profiel.

Tevredenheidsgarantie: hoe werkt dat?

Onze tevredenheidsgarantie zorgt ervoor dat je altijd een studiedocument vindt dat goed bij je past. Je vult een formulier in en onze klantenservice regelt de rest.

Van wie koop ik deze samenvatting?

Stuvia is een marktplaats, je koop dit document dus niet van ons, maar van verkoper AcademiaExpert. Stuvia faciliteert de betaling aan de verkoper.

Zit ik meteen vast aan een abonnement?

Nee, je koopt alleen deze samenvatting voor €10,33. Je zit daarna nergens aan vast.

Is Stuvia te vertrouwen?

4,6 sterren op Google & Trustpilot (+1000 reviews)

Afgelopen 30 dagen zijn er 69252 samenvattingen verkocht

Opgericht in 2010, al 15 jaar dé plek om samenvattingen te kopen

Begin nu gratis
€10,33
  • (0)
In winkelwagen
Toegevoegd