| 11. | Application layer protocol defines |
| a. | types of messages exchanged |
| b. | message format, syntax and semantics |
| c. | rules for when and how processes send and respond to messages |
| d. | all of the mentioned |
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Answer: (d).all of the mentioned
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| 12. | Which one of the following protocol delivers/stores mail to receiver server? |
| a. | simple mail transfer protocol |
| b. | post office protocol |
| c. | internet mail access protocol |
| d. | hypertext transfer protocol |
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Answer: (a).simple mail transfer protocol
|
| 13. | The ASCII encoding of binary data is called |
| a. | base 64 encoding |
| b. | base 32 encoding |
| c. | base 16 encoding |
| d. | base 8 encoding |
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Answer: (a).base 64 encoding
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| 14. | Which one of the following is not an application layer protocol? |
| a. | media gateway protocol |
| b. | dynamic host configuration protocol |
| c. | resource reservation protocol |
| d. | session initiation protocol |
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Answer: (c).resource reservation protocol
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| 15. | Which protocol is a signalling communication protocol used for controlling multimedia communication sessions? |
| a. | session initiation protocol |
| b. | session modelling protocol |
| c. | session maintenance protocol |
| d. | none of the mentioned |
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Answer: (a).session initiation protocol
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| 16. | Which one of the following is not correct? |
| a. | application layer protocols are used by both source and destination devices during a communication session |
| b. | application layer protocols implemented on the source and destination host must match |
| c. | both (a) and (b) |
| d. | none of the mentioned |
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Answer: (c).both (a) and (b)
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| 17. | When displaying a web page, the application layer uses the |
| a. | HTTP protocol |
| b. | FTP protocol |
| c. | SMTP protocol |
| d. | none of the mentioned |
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Answer: (a).HTTP protocol
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| 18. | This is not a application layer protocol |
| a. | HTTP |
| b. | SMTP |
| c. | FTP |
| d. | TCP |
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Answer: (d).TCP
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| 19. | The chunk of information at the application layer is called |
| a. | Packet |
| b. | Message |
| c. | Segment |
| d. | Frame |
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Answer: (b).Message
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| 20. | Electronic mail uses this Application layer protocol |
| a. | SMTP |
| b. | HTTP |
| c. | FTP |
| d. | SIP |
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|
Answer: (a).SMTP
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