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Computer Network MCA Question MCQ Set 8

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1. Two broad categories of congestion control are




2. In open-loop control, policies are applied to _____




3. Retransmission of packets must not be done when _______




4. In Go-Back-N window, when the timer of the packet times out, several packets have to be resent even some may have arrived safe. Whereas in Selective Repeat window, the sender resends _______




5. Discarding policy is mainly done by _____




6. Closed-Loop control mechanisms try to _____




7. The technique in which a congested node stops receiving data from the immediate upstream node or nodes is called as _______




8. Backpressure technique can be applied only to _______




9. The packet sent by a node to the source to inform it of congestion is called _______




10. In the slow-start algorithm, the size of the congestion window increases __________ until it reaches a threshold.




11. In the congestion avoidance algorithm, the size of the congestion window increases ______ until congestion is detected.




12. Which of the following is not a characteristic of Virtual Circuit Network?




13. The address that is unique in the scope of the network or internationally if the network is part of an international network is called as ______




14. The Identifier that is used for data transfer in virtual circuit network is called _______




15. Which of the following is not a phase of virtual circuit network?




16. Steps required in setup process are _____




17. During teardown phase, the source, after sending all the frames to destination, sends a _____ to notify termination.




18. Delay of the resource allocated during setup phase during data transfer is ________




19. Delay of the resource allocated on demand during data transfer is ________




20. In virtual circuit network, the number of delay times for setup and teardown respectively are _______




21. In data transfer phase, how many columns does the table contain?




22. ATM and frame relay are ________




23. ATM uses _______




24. ATM standard defines _______ layers.




25. ATM can be used for ________




26. An ATM cell has the payload field of _________




27. Frame relay has error detection at the ______




28. Virtual circuit identifier in frame relay is called ______




29. In frame relay networks, extended address is used _______




30. What is FRAD in frame relay network?




31. Frame Relay is cheaper than other _____




32. Frame Relay networks offer an option called _______




33. There are ________ total features of Frame Relay.




34. Frame Relay does not provide flow or error control, they must be provided by the ______




35. Frame Relay deploys physical layer carriers such as _______




36. Frame relay provides error detection at the ______




37. Virtual circuit identifier in frame relay is called _______




38. Frame relay has only _______




39. In frame relay networks, extended address is used ________




40. A piece of icon or image on a web page associated with another webpage is called ______




41. Dynamic web page ______




42. What is a web browser?




43. Common gateway interface is used to _______




44. URL stands for ________




45. A web cookie is a small piece of data that is _______




46. Which one of the following is not used to generate dynamic web pages?




47. An alternative to JavaScript on windows platform is _______




48. What is document object model (DOM)?




49. AJAX stands for _______




50. Which of the following is not applicable for IP?