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1. |
A video consists of a sequence of |
A. | Frames |
B. | Signals |
C. | Packets |
D. | Slots |
Answer» A. Frames |
2. |
If frames are displayed on screen fast enough, we get an impression of |
A. | Signals |
B. | Motions |
C. | Packets |
D. | Bits |
Answer» B. Motions |
3. |
To receive signal, a translator is needed to decode signal and encode it again at a |
A. | High Quality |
B. | Lower Quality |
C. | Same Quality |
D. | Bad Quality |
Answer» B. Lower Quality |
4. |
Session Initiation Protocol (SIP), is very |
A. | Independent |
B. | Flexible |
C. | Dependant |
D. | Complex |
Answer» B. Flexible |
5. |
Establishing a session in Session Initiation Protocol (SIP), requires a three-way |
A. | Protocols |
B. | System |
C. | Ports |
D. | Handshake |
Answer» D. Handshake |
6. |
Moving Picture Experts Group (MPEG) is used to compress |
A. | Frames |
B. | Images |
C. | Audio |
D. | Video |
Answer» D. Video |
7. |
A combination of an encryption algorithm and a decryption algorithm is called a |
A. | plain text |
B. | cipher |
C. | original text |
D. | shift cipher |
Answer» B. cipher |
8. |
. ______is any combination of text, graphic art, sound, animation, and video delivered to you bycomputer or other electronic devices. |
A. | Multimedia |
B. | Network |
C. | Hyper media |
D. | Visual Media |
Answer» A. Multimedia |
9. |
You need hardware, software and ______to make multimedia |
A. | network |
B. | compact disk drive |
C. | good idea |
D. | programing knowledge |
Answer» C. good idea |
10. |
A structure of linked elements through which the user can navigate, interactive multimedia becomes ______. |
A. | Hypermedia |
B. | Hypertext |
C. | inter media |
D. | digital media |
Answer» B. Hypertext |
11. |
XML stands for _____. |
A. | eXtra Multi Language |
B. | eXprimental Markup Language |
C. | eXtensible Making Language |
D. | eXtensible Markup Language |
Answer» D. eXtensible Markup Language |
12. |
Most common compression technique that is used to create CDquality audio is based on perceptual encoding technique is called |
A. | Predictive Encoding |
B. | Perceptual Encoding |
C. | MPEG |
D. | JPEG |
Answer» B. Perceptual Encoding |
13. |
In Audio and Video Compression, each frame is divided into small grids, called picture elements or |
A. | Frame |
B. | Packets |
C. | Pixels |
D. | Mega Pixels |
Answer» C. Pixels |
14. |
Streaming stored audio/video, files are compressed and stored on |
A. | IP |
B. | Server |
C. | Domain |
D. | Internet |
Answer» B. Server |
15. |
Live streaming is still using Transmission Control Protocol ( TCP) and multiple unicasting instead of |
A. | Unicasting |
B. | Multicasting |
C. | Layered Control |
D. | Protocol Control |
Answer» B. Multicasting |
16. |
Moving Picture Experts Group (MPEG-2), was designed for high-quality DVD with a data rate of |
A. | 3 to 6 Mbps |
B. | 4 to 6 Mbps |
C. | 5 to 6 Mbps |
D. | 6 to 6 Mbps |
Answer» A. 3 to 6 Mbps |
17. |
Joint Photographic Experts Group (JPEG) is used to compress |
A. | Music |
B. | Pictures |
C. | Images |
D. | Frames |
Answer» C. Images |
18. |
Real-time traffic needs support of |
A. | Unicasting |
B. | Multicasting |
C. | Layered Control |
D. | Protocol Control |
Answer» B. Multicasting |
19. |
We can divide audio and video services into |
A. | 1 broad categories |
B. | 2 broad categories |
C. | 3 broad categories |
D. | 4 broad categories |
Answer» C. 3 broad categories |
20. |
In Video Compression, an independent frame that is not related to any other frame is called |
A. | B-Frame |
B. | C-Frame |
C. | I-Frame |
D. | P-Frame |
Answer» C. I-Frame |
21. |
RTP uses a temporary even-numbered |
A. | RTCP |
B. | SMTP |
C. | UDP port |
D. | None |
Answer» C. UDP port |
22. |
MP3 produces three data rates from 96 Kbps to |
A. | 128 Kbps |
B. | 164 Kbps |
C. | 256 Kbps |
D. | 320 Kbps |
Answer» B. 164 Kbps |
23. |
For music, we need to compress digitize signals at |
A. | 1.41 I-MHz |
B. | 1.42 I-MHz |
C. | 1.45 I-MHz |
D. | 1.48 I-MHz |
Answer» A. 1.41 I-MHz |
24. |
Sometimes real-time traffic needs |
A. | Organization |
B. | Traffic |
C. | Channelizing |
D. | Tr |
Answer» A. Organization |
25. |
In Real-Time Transport Protocol (RTP), source periodically sends a source description message to give additional infonnation about |
A. | Message |
B. | Itself |
C. | Protocols |
D. | Packets |
Answer» B. Itself |
26. |
Audio compression can be used for |
A. | Speech or Music |
B. | Voice and Data |
C. | Picture and Colors |
D. | Video and Voice |
Answer» A. Speech or Music |
27. |
In Real Time Interactive Audio Video, conferencing requires two way communication between |
A. | receivers and senders |
B. | Packet to Frames |
C. | Pixels to Packets |
D. | Frames to Pixels |
Answer» A. receivers and senders |
28. |
In Real Time Interactive Audio Video, Jitter is introduced in real-time data by delay between |
A. | Frames |
B. | Layers |
C. | Pixels |
D. | Packets |
Answer» D. Packets |
29. |
Session Initiation Protocol (SIP), has a mechanism that finds the |
A. | Domain |
B. | System |
C. | IP Address |
D. | Terminal |
Answer» C. IP Address |
30. |
In Audio and Video Compression, voice is sampled at 8000 samples per second with |
A. | 5 bits per sample |
B. | 6 bits per sample |
C. | 7 bits per sample |
D. | 8 bits per sample |
Answer» D. 8 bits per sample |
31. |
In Voice Over IP, Term SIP stands for |
A. | Session Initiation Protocol |
B. | Session Initiation Port |
C. | Session Initiation Path |
D. | Session Initiation Packet |
Answer» A. Session Initiation Protocol |
32. |
In Real-Time Transport Protocol (RTP), A source sends a bye message to shut down a |
A. | System |
B. | Frames |
C. | Protocol |
D. | Stream |
Answer» D. Stream |
33. |
In Audio and Video Compression, term RBG expresses |
A. | Red, Blue, Green |
B. | Red, Black, Grey |
C. | Rate, Bit, Giga bit |
D. | Red, Bluish, Greyish |
Answer» A. Red, Blue, Green |
34. |
To perform tracking of an IP, Session Initiation Protocol (SIP), uses concept of |
A. | Registration |
B. | Termination |
C. | Streaming |
D. | Tr |
Answer» A. Registration |
35. |
A simple session using SIP consists of three modules: establishing, communicating and |
A. | Translation |
B. | Conversion |
C. | Streaming |
D. | Termination |
Answer» D. Termination |
36. |
Real-time traffic needs support of |
A. | multicasting |
B. | Translation |
C. | integration |
D. | security |
Answer» A. multicasting |
37. |
Session Initiation Protocol (SIP), is designed to be independent of underlying |
A. | Linear Layer |
B. | Data Link Layer |
C. | Transport Layer |
D. | Presentation Layer |
Answer» C. Transport Layer |
38. |
In lowest resolution a color frame is made of |
A. | 1024 x 768 pixels |
B. | 800 X 600 pixels |
C. | 1152 X 864 Pixels |
D. | 1280 X 1080 pixels |
Answer» A. 1024 x 768 pixels |
39. |
In Real Time Interactive Audio Video, data are stored in buffer at a possibly variable |
A. | Pixels |
B. | Packets |
C. | Rates |
D. | Bytes |
Answer» C. Rates |
40. |
In Real Time Interactive Audio Video, to prevent jitter, we can time-stamp packets and separate arrival time from the |
A. | Frame Time |
B. | Playback Time |
C. | Pixels Time |
D. | Packet Time |
Answer» B. Playback Time |
41. |
Real-time Transport Protocol (RTP) is protocol designed to handle real-time traffic on the |
A. | Frames |
B. | Internet |
C. | IP |
D. | Protocol |
Answer» B. Internet |
42. |
In Session Initiation Protocol (SIP), session can be terminated with a |
A. | OK Message |
B. | Bye Message |
C. | Terminate Message |
D. | Quit Message |
Answer» B. Bye Message |
43. |
RTCP stands for |
A. | Real-time Transport Control Program |
B. | Real-time Transport Control Packet |
C. | Real-time Transport Control Protocol |
D. | Real-time Tr |
Answer» C. Real-time Transport Control Protocol |
44. |
A compressed audio/video file can be downloaded as a |
A. | Image |
B. | Video |
C. | Frame |
D. | Text file |
Answer» D. Text file |
45. |
When a caller needs to communicate with callee, caller can use e-mail address instead of IP address in the |
A. | OK Message |
B. | Bye Message |
C. | INVITE Message |
D. | Great Message |
Answer» C. INVITE Message |
46. |
Purpose of dividing picture into blocks is to decrease number of |
A. | Channels |
B. | Pixels |
C. | Calculations |
D. | Frames |
Answer» C. Calculations |
47. |
In Real Time Interactive Audio Video, a sequence number on each packet is required for |
A. | real-time traffic |
B. | real-time Playback |
C. | real-time pixels |
D. | real-time frames |
Answer» A. real-time traffic |
48. |
Before audio or video signals can be sent on Internet, they need to be |
A. | Channelized |
B. | Managed |
C. | Digitized |
D. | Organized |
Answer» C. Digitized |
49. |
For speech, we need to compress digitize signals at |
A. | 128 Khz |
B. | 256 Khz |
C. | 64 Khz |
D. | 1152 Khz |
Answer» C. 64 Khz |
50. |
Moving Picture Experts Group (MPEG-1), was designed for a |
A. | PC |
B. | CD |
C. | DVD |
D. | Floppy |
Answer» B. CD |
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