CT3 (IS 2019) Flashcards Preview

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Flashcards in CT3 (IS 2019) Deck (257)
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1

What does eMTA stand for?

embedded mutimedia terminal adapter

2

what does CMTS stand for?

Cable Modem Termination System

3

There are three major music licensing organizations which provide the rights for businesses to play licensed recordings:

ASCAP, BMI, SESAC

4

A complex number with a resistive and reactive component. It is a function of the frequency of the applied signal, and is unrelated to length

Characteristic Impedance

5

Business TV is not available to venues that:

Charge an admission or entry fee. (However, a monthly or yearly membership is not considered as admission fee. Thus, Business TV is made available to health clubs or special interest clubs.)

6

(Attenuation x Footage)

Cable Loss

7

What is a Byte (B)?

8 bits

8

Short for "picture element."

Pixel

9

What DOCSIS standard brought about channel bonding and IPv6?

DOCSIS 3.0

10

Roughly one thousand megabytes.

Gigabyte (GB)

11

Roughly 1000 bits.

Kilobit (Kb)

12

What is a bit?

a single character of data

13

What numbers do you need to dial in order to place an international call?

011 + country code

14

Television pictures are displayed in a single pass, instead of the two fields used with interlaced scanning

progressive scanning

15

Insulate wiring disconnected at the NID with __________or similar if it is going to have continuity back to the eMTA.

Scotchloks

16

Roughly one million bits

Megabit (Mb)

17

The variable in calculating attenuation is always

The frequency

18

Preferred method of coax cable routing

Home Run

19

Central Office (CO) server that routes calls to other IP-based phones or through the PSTN

Soft switch (Software Switch, VoIP Switch, or CMS)

20

What website would you direct a customer to for anything business class related?

http://business.comcast.com/

21

Ring voltage for CDV?

60-90 VAC

22

What is the difference between dB and dBmV?

dB is relative, dBmV is absolute

23

The opposition a material offers to the flow of electrical current

Resistance (R)

24

The width of a band of frequencies

Bandwidth

25

Refers to the telephone only portion of the eMTA. It is typically used for provisioning XFINITY Voice when using the IVR

MTA-MAC

26

Single pair silver satin utilizes pins ______ of the connector

2 and 3

27

Large 24-pin connector in which audio is not provided

DVI

28

Series-6 cable bending radius:

2.5"

29

Often called Cable Modem MAC, is typically used when provisioning an installation for both XFINITY Voice and Internet

CMAC

30

The modem waits for an opportunity to communicate with the CMTS. If it does not get an opportunity within about 12 seconds, a __ timeout occurs.

T2