Internet Protocol television IPTV is the process of transmitting and broadcasting television program...........

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Internet Protocol television (IPTV) is the process of transmitting and broadcasting television programs through the Internet using Internet Protocol (IP). Consider the following statements about it.

1.Usually, IPTV sends only the program requested by the viewer.

2.Providers of IPTV allow users to watch recorded shows without Digital Video Recorder (DVR) Device

3.The biggest limitation is that IPTV does not allow users to watch live transmissions due to large latency.

Select the correct answer using the codes below.

1 only

1 and 3 only

1 and 2 only

2 and 3 only

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Explanation:

A simpler definition of IPTV would be, television content that, instead of being delivered through traditional format and cabling, is received by the viewer through the technologies used for computer network. In case of IPTV, it requires either a computer and software media player or an IPTV set top box to decode the images in real time.
Statement 1: A series of IP packets encoded for the delivery of video streaming is broadcast in IPTV.
In general, IPTV sends only the program requested by the viewer. A new stream is transmitted to the viewer when the channel is changed. Traditional TV, however, broadcasts all the channels simultaneously. Statement 2 and 3: IPTV gives dynamic features to the user to improve the user experience compared to a traditional television transmission such as radio frequency broadcast, satellite broadcast and/or cable television.
IPTV services have three main features:
VOD: Video on demand (VOD) is an option available to the users of IPTV. Each user is given the option to choose from a catalog of videos and watch them as many times as required. This feature uses unicast transmission, whereas normal TV broadcasts use multicast transmission. Real Time Streaming Protocol is used for VOD.DVR: Providers of IPTV allow users to watch recorded shows without DVR devices. There is a live DVR system at the provider’s end, making DVR more cost effective and efficient.
Users can watch replays or start a TV program over from an interactive menu.
Live Television: IPTV allows users to watch live transmissions with minimal latency. It provides live television broadcasts either with or without interactivity, without being just like traditional TV broadcasts. The protocol used for live television is Internet Group Management Protocol (IGMP) version . The biggest limitation is that IPTV broadcasts require a certain amount of consistent bandwidth for data to be streamed in order to deliver right number of moving pictures frames. So for providers with high IPTV customer base, customer could experience packets loss and delays in transmission.