1. Which of the following is audio streaming application by Microsoft ?
a) Hangout
b) Skype
c) Voice
d) All of the mentioned

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2. Point out the correct statement:
a) Streaming files is a way of delivering large content in pieces so playback can begin more quickly
b) Streaming is used for broadcasting current events
c) Cloud computing provides large storage for maintaining libraries
d) All of the mentioned

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3. How many types of streamed material exist for audio/video streaming applications ?
a) 1
b) 2
c) 3
d) 4

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4. Which of the following streaming is also called progressive download ?
a) Offline
b) Live
c) On demand
d) All of the mentioned

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a) Video streaming was among the first media applications to find widespread use on the Internet
b) VoIP is a form of audio streaming with a set of specialized protocols
c) Broadband connections and low-cost infrastructure have made video streaming services widely available
d) None of the mentioned

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6. Which of the following streaming occurs from material that is already stored to disk ?
a) Online
b) Live
c) On demand
d) All of the mentioned
 

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7. When a live stream is sent multicast to 1,000 concurrent users at 500 kbps, the number of megabytes transferred is :
a) 220 GB
b) 220 MB
c) 220 TB
d) None of the mentioned

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8. Which of the following is a stream sent from a service to an individual user ?
a) Unicast
b) Multicast
c) Broadcast
d) None of the mentioned

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9. Applications that protect streamed content by playing part of the file and discarding it are more aptly referred to as _________
a) Streaming
b) Scaling
c) Gathering
d) All of the mentioned

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10. Which of the following transmission protocol is used in case of streamed media scenario ?
a) TCP
b) UDP
c) HTTP
d) None of the mentioned

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ANSWERS

1. b
Explanation:Skype is a telecommunications application software product that specializes in providing video chat and voice calls from computer.

2.  d
Explanation:Cloud computing has a number of advantages that aid content providers and delivery systems.

3.  b
Explanation:Streamed material can be live or on-demand.

4.  b
Explanation:Live streaming is called progressive streaming.

5.   a
Explanation:Cloud computing has expanded the use of streamed audio to make radio, Web casts, music sites, and other services widely available.

6.   c
Explanation:Streaming media are files that are sent in pieces by a service and played back by a client as the delivery continues.

7.  a
Explanation:Formula for data transfer is: MB transferred = Bandwidth x Time x Number of Users.

8.  a
Explanation:For many content services, such as the music services Last fm and Rhapsody, a vast number of files are being served to individual users and they go out using unicast protocols as individual streams.

9.  a
Explanation:Even if delivery is always over a WAN connection, CDN (Content Delivery Network) still offers enormous inefficiencies.

10.  b
Explanation:UDP stands for user datagram protocol.