11. | The Application layer in OSI is implemented in |
a. | NIC |
b. | Ethernet |
c. | End System |
d. | None |
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Answer: (c).End System
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12. | Application developer has permission to decide the following on transport layer side |
a. | Transport layer protocol |
b. | Maximum buffer size |
c. | Both a and b |
d. | None of the mentioned |
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Answer: (c).Both a and b
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13. | Application layer offers _______ service |
a. | End to end |
b. | Process to process |
c. | Both of the mentioned |
d. | None of the mentioned |
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Answer: (a).End to end
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14. | E-mail is |
a. | Loss-tolerant application |
b. | Bandwidth-sensitive application |
c. | Elastic application |
d. | None of the mentioned |
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Answer: (c).Elastic application
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15. | Which of the following is an application layer service ? |
a. | Network virtual terminal |
b. | File transfer, access, and management |
c. | Mail service |
d. | All of the mentioned |
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Answer: (d).All of the mentioned
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16. | This is a time-sensitive service |
a. | File transfer |
b. | File download |
c. | |
d. | Internet telephony |
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Answer: (d).Internet telephony
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17. | _______ is the standard mechanism provided by TCP/IP for copying a file from one host to another. |
a. | TELNET |
b. | SMTP |
c. | TFTP |
d. | none of the above |
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Answer: (d).none of the above
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18. | FTP uses the services of ________. |
a. | UDP |
b. | IP |
c. | TCP |
d. | none of the above |
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Answer: (c).TCP
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19. | In FTP, the well-known port ____ is used for the control connection and the well-known port ________ for the data connection. |
a. | 21; 22 |
b. | 21; 20 |
c. | 20; 21 |
d. | none of the above |
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Answer: (b).21; 20
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20. | In FTP, _______ is the service type used by the IP protocol because this is an interactive connection between a user (human) and a server. |
a. | maximize throughput |
b. | minimize delay |
c. | minimize error |
d. | none of the above |
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Answer: (b).minimize delay
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