CBT CBT Digital Broadcasting Standards

Question 1

Which compression standard is used by ATSC 1.0 for digital television broadcasting in the United States?

Accepted Answer

MPEG-2

Answer

MPEG-4 AVC

Answer

HEVC

Answer

AV1

Question 2

What modulation technique does ATSC 1.0 use for terrestrial broadcast transmission?

Accepted Answer

8-VSB

Answer

OFDM

Answer

QAM

Answer

COFDM

Question 3

What is the maximum data rate of a single ATSC 1.0 6 MHz broadcast channel?

Accepted Answer

19.39 Mbps

Answer

12 Mbps

Answer

25 Mbps

Answer

38 Mbps

Question 4

In ATSC standards, what does the term 'subchannel' or 'multicast' refer to?

Accepted Answer

Multiple program streams within one 6 MHz channel

Answer

A backup transmission path

Answer

A secondary audio track

Answer

A closed captioning stream

Question 5

What generation of ATSC standard introduced support for HEVC video compression and mobile broadcasting?

Accepted Answer

ATSC 3.0

Answer

ATSC 1.0

Answer

ATSC 2.0

Answer

ATSC 4.0

Question 6

Which table in MPEG-2 transport streams provides program-specific information (PSI) that lists all services in a multiplex?

Accepted Answer

PAT (Program Association Table)

Answer

PMT (Program Map Table)

Answer

CAT (Conditional Access Table)

Answer

NIT (Network Information Table)