650-312 - SP Video Phase I - Media Satellite and Broadcast
Go back to
Cisco
Example Questions
What two MPEG tables must be read prior to decoding any MPEG transport streams?
PAT and PMT
How many polarities are transmitted from a satellite?
2
What are two protocols that are used toencapsulate MPEG video into IP?
RTP and UDP
How many I frames are in GOP?
1
What is the series of compressed video frames that are made up of an I frame and a series of B and P frames referred to as?
Group of Pictures (GOP)
In a MPEG 2 program stream, what is the purpose of the CAT?
The CAT carries EMM PIDS for encrypted programs
What device can demodulate, decrypt and decode a satellite program?
IRD
What device canmultiplexand change formats of MPEG-2 programs?
DCM
What is the primary advantage of MPEG-4 part 10 over MPEG-2?
MPEG 4 part 10 uses half the bandwidth
What are the three functions performed by the Headend?
Acquire, process and prepare for transport
What is the downlink frequency of a C-band satellite?
3.7-4.2 GHZ
What type of conditional access is built into a Cisco integrated receiver decoder (IRD)?
PowerVu
What standard defines ad insertion in MPEG2 transport streams?
SCTE35
What is the modulation format used in Digital Video Broadcasts?
QPSK
What network management system can monitor and control video headend equipment?
ROSA
Which of the following layers is the first layer in contribution solution architecture?
Optical network layer
What device amplifies and converts from C band to L band (satellite IF)?
LNB
How many video programscan be containedin a HD-SDI signal?
3
What is the main difference between a video program in an ASI format versus a SDI format?
ASI is a compressed format where SDI is uncompressed
What version of MPEG compression does a D9054 encoder use?
MPEG 4