McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Science in Information Technology (BSc IT) , Bachelor of Science in Computer Science (BSc CS) .
| 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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