CT3 (IS 2018) Flashcards
What does eMTA stand for?
embedded mutimedia terminal adapter
what does CMTS stand for?
Cable Modem Termination System
There are three major music licensing organizations which provide the rights for businesses to play licensed recordings:
ASCAP, BMI, SESAC
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
Business Internet Customer Support a technician can be dispatched within ______, including on weekends and holidays
4 hours
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.)
(Attenuation x Footage)
Cable Loss
What is a Byte (B)?
8 bits
Short for “picture element.”
Pixel
What DOCSIS standard brought about channel bonding and IPv6?
DOCSIS 3.0
Roughly one thousand megabytes.
Gigabyte (GB)
Roughly 1000 bits.
Kilobit (Kb)
What is a bit?
a single character of data
What numbers do you need to dial in order to place an international call?
011 + country code
Television pictures are displayed in a single pass, instead of the two fields used with interlaced scanning
progressive scanning
Insulate wiring disconnected at the NID with __________or similar if it is going to have continuity back to the eMTA.
Scotchloks
Roughly one million bits
Megabit (Mb)
The variable in calculating attenuation is always
The frequency
Preferred method of coax cable routing
Home Run
Central Office (CO) server that routes calls to other IP-based phones or through the PSTN
Soft switch (Software Switch, VoIP Switch, or CMS)
What website would you direct a customer to for anything business class related?
http://business.comcast.com/
FCC part 76.614
States that any leakage source which produces a field strength of 20 uV/m or greater at a distance of 3 meters in the aeronautical radio frequency bands shall be noted and such leakage sources shall be repaired within a reasonable period of time
Ring voltage for CDV?
60-90 VAC
What is the difference between dB and dBmV?
dB is relative, dBmV is absolute