Question: For a 3GPP PSS client supporting Television (TV) over 3GPP Services, which of the following video codec operation points is mandatory to comply with for HD (720p) resolution?
Option 1: H.264/AVC 720p HD Operation Point Receiver
Option 2: H.265/HEVC 720p HD Operation Point Receiver
Option 3: H.265/HEVC Full HD HDR Operation Point Receiver
Option 4: H.265/HEVC UHD Operation Point Receiver
Explanation: According to the specifications for Television services over 3GPP PSS, compliance with H.264/AVC 720p HD Operation Point Receiver requirements is mandatory (shall comply) for a client supporting TV services, making it the correct answer. The other options are either recommended (should comply) or specify different resolutions or features (Full HD HDR, UHD).