Flashcards in ct3 Deck (404)
Loading flashcards...
1
Aspect ratio of HDTV
16:9
2
Preferred method of coax cable routing
Home Run
3
What is CRT?
cathode ray tube
4
What four services are business class TV customers not eligible to receive?
PPVVODDVRPremium channels
5
What does REN stand for?
Ring equivalency number
6
How much REN do we suppoprt?
5
7
DOCSIS
Data Over Cable Services Interface Specification
8
What ensures interoperability of cable modems from various manufacturers?
DOCSIS
9
What does MoCA stand for?
Multimedia over Coax Alliance
10
Name four COMCAST business services
TVPhoneInternetTeleworker
11
What is the delay between transmission and arrival of a packet?
latency
12
What is it called when packets are received in the wrong order?
jitter
13
In general, business customers sign a __ to __ year contract.
2 to 5
14
What does the term POTS mean?
Plain Old Telephone System
15
What is the name of the dial tone a customer will hear when they have voicemail?
stutter
16
what does CMTS stand for?
Cable Modem Termination System
17
How many pairs should there be in a fax machine flat satin?
1 pair
18
What does EDTV stand for?
Enhanced Definition TV
19
What is the resolution of EDTV?
480p
20
What does eMTA stand for?
embedded mutimedia terminal adapter
21
All lights flashing on an eMTA indicate what type of problem?
Foreign Voltage
22
What does VOIP stand for?
Voice Over Internet Protocol
23
List the 3 pairs in order of older station wire?
Green/Red Black/Yellow White/Blue
24
What tools can you use to check polarity on a phone line?
Butt Set and Toner
25
Internet phone services transmit calls over a ______ network.
Public
26
What is the supervisory voltage provided by an eMTA?
48 VDC
27
What connection type provides both audio and video?
HDMI
28
Out of the following colors: Green/Red Yellow/Black list the tip and ring.
green-tipred-ringyellow-ringblack-tip
29
What is DHCP?
Dynamic Host Configuration Protocol
30