MCQOPTIONS
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MCQOPTIONS
This section includes 51 Mcqs, each offering curated multiple-choice questions to sharpen your Java knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
. XML stands for _____. |
| A. | eXtra Multi Language |
| B. | eXprimental Markup Language |
| C. | eXtensible Making Language |
| D. | eXtensible Markup Language |
| Answer» E. | |
| 2. |
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» B. 800 X 600 pixels | |
| 3. |
Streaming stored audio/video, files are compressed and stored on |
| A. | IP |
| B. | Server |
| C. | Domain |
| D. | Internet |
| Answer» C. Domain | |
| 4. |
In Audio and Video Compression, voice is sampled at 8000samples per second with |
| A. | 5 bits per sample |
| B. | 6 bits per sample |
| C. | 7 bits per sample |
| D. | 8 bits per sample |
| Answer» E. | |
| 5. |
In Video Compression, an independent frame that is not relatedto any other frame is called |
| A. | B-Frame |
| B. | C-Frame |
| C. | I-Frame |
| D. | P-Frame |
| Answer» D. P-Frame | |
| 6. |
When a caller needs to communicate with callee, caller can usee-mail address instead of IP address in the |
| A. | OK Message |
| B. | Bye Message |
| C. | INVITE Message |
| D. | Great Message |
| Answer» D. Great Message | |
| 7. |
Before audio or video signals can be sent on Internet, they needto be |
| A. | Channelized |
| B. | Managed |
| C. | Digitized |
| D. | Organized |
| Answer» D. Organized | |
| 8. |
To perform tracking of an IP, Session Initiation Protocol (SIP),uses concept of |
| A. | Registration |
| B. | Termination |
| C. | Streaming |
| D. | Tr |
| Answer» B. Termination | |
| 9. |
In Real Time Interactive Audio Video, to prevent jitter, we cantime-stamp packets and separate arrival time from the |
| A. | Frame Time |
| B. | Playback Time |
| C. | Pixels Time |
| D. | Packet Time |
| Answer» C. Pixels Time | |
| 10. |
Session Initiation Protocol (SIP), is designed to be independentof underlying |
| A. | Linear Layer |
| B. | Data Link Layer |
| C. | Transport Layer |
| D. | Presentation Layer |
| Answer» D. Presentation Layer | |
| 11. |
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» B. 1.42 I-MHz | |
| 12. |
In Audio and Video Compression, each frame is divided into smallgrids, called picture elements or |
| A. | Frame |
| B. | Packets |
| C. | Pixels |
| D. | Mega Pixels |
| Answer» D. Mega Pixels | |
| 13. |
Real-time Transport Protocol (RTP) is protocol designed tohandle real-time traffic on the |
| A. | Frames |
| B. | Internet |
| C. | IP |
| D. | Protocol |
| Answer» C. IP | |
| 14. |
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» C. Protocols | |
| 15. |
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» C. MPEG | |
| 16. |
In Session Initiation Protocol (SIP), session can be terminatedwith a |
| A. | OK Message |
| B. | Bye Message |
| C. | Terminate Message |
| D. | Quit Message |
| Answer» C. Terminate Message | |
| 17. |
A simple session using SIP consists of three modules:establishing, communicating and |
| A. | Translation |
| B. | Conversion |
| C. | Streaming |
| D. | Termination |
| Answer» E. | |
| 18. |
Real-time traffic needs support of |
| A. | multicasting |
| B. | Translation |
| C. | integration |
| D. | security |
| Answer» B. Translation | |
| 19. |
Establishing a session in Session Initiation Protocol (SIP), requires athree-way |
| A. | Protocols |
| B. | System |
| C. | Ports |
| D. | Handshake |
| Answer» E. | |
| 20. |
Moving Picture Experts Group (MPEG-2), was designed forhigh-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» B. 4 to 6 Mbps | |
| 21. |
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» C. Layered Control | |
| 22. |
In Real Time Interactive Audio Video, Jitter is introduced inreal-time data by delay between |
| A. | Frames |
| B. | Layers |
| C. | Pixels |
| D. | Packets |
| Answer» E. | |
| 23. |
You need hardware, software and ______to make multimedia |
| A. | network |
| B. | compact disk drive |
| C. | good idea |
| D. | programing knowledge |
| Answer» D. programing knowledge | |
| 24. |
In Real Time Interactive Audio Video, data are stored in bufferat a possibly variable |
| A. | Pixels |
| B. | Packets |
| C. | Rates |
| D. | Bytes |
| Answer» D. Bytes | |
| 25. |
. ______is any combination of text, graphic art, sound, animation, and videodelivered to you bycomputer or other electronic devices. |
| A. | Multimedia |
| B. | Network |
| C. | Hyper media |
| D. | Visual Media |
| Answer» B. Network | |
| 26. |
To receive signal, a translator is needed to decode signal and encode itagain at a |
| A. | High Quality |
| B. | Lower Quality |
| C. | Same Quality |
| D. | Bad Quality |
| Answer» C. Same Quality | |
| 27. |
Purpose of dividing picture into blocks is to decrease number of |
| A. | Channels |
| B. | Pixels |
| C. | Calculations |
| D. | Frames |
| Answer» D. Frames | |
| 28. |
For speech, we need to compress digitize signals at |
| A. | 128 Khz |
| B. | 256 Khz |
| C. | 64 Khz |
| D. | 1152 Khz |
| Answer» D. 1152 Khz | |
| 29. |
In Real Time Interactive Audio Video, conferencing requirestwo way communication between |
| A. | receivers and senders |
| B. | Packet to Frames |
| C. | Pixels to Packets |
| D. | Frames to Pixels |
| Answer» B. Packet to Frames | |
| 30. |
In Real-Time Transport Protocol (RTP), A source sends a byemessage to shut down a |
| A. | System |
| B. | Frames |
| C. | Protocol |
| D. | Stream |
| Answer» E. | |
| 31. |
RTP uses a temporary even-numbered |
| A. | RTCP |
| B. | SMTP |
| C. | UDP port |
| D. | None |
| Answer» D. None | |
| 32. |
A combination of an encryption algorithm and a decryption algorithmis called a |
| A. | plain text |
| B. | cipher |
| C. | original text |
| D. | shift cipher |
| Answer» C. original text | |
| 33. |
A structure of linked elements through which the user can navigate, interactivemultimedia becomes ______. |
| A. | Hypermedia |
| B. | Hypertext |
| C. | inter media |
| D. | digital media |
| Answer» C. inter media | |
| 34. |
In Real Time Interactive Audio Video, a sequence number oneach packet is required for |
| A. | real-time traffic |
| B. | real-time Playback |
| C. | real-time pixels |
| D. | real-time frames |
| Answer» B. real-time Playback | |
| 35. |
_________ is used to convert wide data to long data. |
| A. | melt |
| B. | dcast |
| C. | cast |
| D. | rcast |
| Answer» B. dcast | |
| 36. |
______ specializes in converting data from wide to long format. |
| A. | gcc |
| B. | reshape |
| C. | reshape2 |
| D. | gcc2 |
| Answer» D. gcc2 | |
| 37. |
Which of the following is similar to Moment.js? |
| A. | stringr |
| B. | lubridate |
| C. | ploy |
| D. | forecast |
| Answer» C. ploy | |
| 38. |
Which of the following syntax is used to install forecast package? |
| A. | install.pack(“forecast”) |
| B. | install.packages(“cast”) |
| C. | install.packages(“forecast”) |
| D. | install.pack(“forecastcast”) |
| Answer» D. install.pack(“forecastcast”) | |
| 39. |
______ splits a data frame and results an array (hence the da). Hopefully you’re getting the idea here. |
| A. | apply |
| B. | daply |
| C. | stats |
| D. | plyr |
| Answer» C. stats | |
| 40. |
______ let’s you perform SQL queries on your R data frames. |
| A. | sqldf |
| B. | plyr |
| C. | forecast |
| D. | daply |
| Answer» C. forecast | |
| 41. |
_______SPECIALIZES_IN_CONVERTING_DATA_FROM_WIDE_TO_LONG_FORMAT.?$ |
| A. | gcc |
| B. | reshape |
| C. | reshape2 |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 42. |
__________is_used_to_convert_wide_data_to_long_data.$ |
| A. | melt |
| B. | dcast |
| C. | cast |
| D. | none of the mentioned |
| Answer» B. dcast | |
| 43. |
class file is in directory pkg? |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 0 1 2 |
| Answer» D. 0 1 2 | |
| 44. |
Which of the following is a library for statistical quality control? |
| A. | gcc |
| B. | qcc |
| C. | anc |
| D. | all of the mentioned |
| Answer» C. anc | |
| 45. |
__________ modifies geom/stat aesthetic defaults for future plots |
| A. | translate_qplot_base |
| B. | translate_qplot_gpl |
| C. | translate_qplot_defaults |
| D. | translate_qplot_ggplot |
| Answer» D. translate_qplot_ggplot | |
| 46. |
Which of the following is similar to Moment.js ? |
| A. | stringr |
| B. | lubridate |
| C. | ploy |
| D. | all of the mentioned |
| Answer» C. ploy | |
| 47. |
Which of the following syntax is used to install forecast package ? |
| A. | install.pack(“forecast”) |
| B. | install.packages(“cast”) |
| C. | install.packages(“forecast”) |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 48. |
Which of the following is the correct way of importing an entire package ‘pkg’?$ |
| A. | import pkg. |
| B. | Import pkg. |
| C. | import pkg.* |
| D. | Import pkg.* |
| Answer» D. Import pkg.* | |
| 49. |
________ provides needed string operators in R. |
| A. | str |
| B. | forecast |
| C. | stringr |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 50. |
Which of these access specifiers can be used for a class so that its members can be accessed by a different class in the different package? |
| A. | Public |
| B. | Protected |
| C. | Private |
| D. | No Modifier |
| Answer» B. Protected | |