Tag: databases

Questions Related to databases

Which are the following must be supplied to the TibrvEvent
technology databases

  1. Listener

  2. Transport

  3. Queue

  4. Call Back

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Correct Option: C,D

How the monitor program should be written
technology databases

  1. A monitor program which dispatch the events to the callback of the one of the member

  2. Monitor object with it's own callback function

  3. A monitor program which dispatch the events to the callback of the member of

  4. None

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Correct Option: B

The maximum number of action tokens that a fault tolerance member callback function can receive
technology databases

  1. 1

  2. 2

  3. 3

  4. 5

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Correct Option: C

If CM Sender sends message to a ordinary listener which of the following will happen?
technology databases

  1. listener discards the labelled part of the message but process the data

  2. listener discards the Sequence no of the first message

  3. listener listens the labelled message and confirms it

  4. listener doesn't listen for the message at all

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Correct Option: A

Q1,Q2,Q3 are three diff Queues which are in a queue group with same pririty in each of the queue. there are two events in each of the queues. Whcih one of the following will happen?
technology databases

  1. Q1, Q2 will have one event each and Q3 don't have any events

  2. Q2, Q3 will have one events each and Q1 don't have any events

  3. Q1, Q2 won't have any events and Q3 will have 2 events

  4. the scenario is unpredictable

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Correct Option: D

The callback function of a timer with an interval of 5 seconds, sleeps for a period of 20 seconds. The timer events are dispatched in three threads .A statement at the start of the callback function prints out a message to the screen. What is the time difference between two consecutive messages output to the screen ?

technology databases

  1. 5s

  2. 20s

  3. 25s

  4. 10s

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Correct Option: A

The callback function of a timer with an interval of 5 seconds, sleeps for a period of 20 seconds. The timer events are dispatched in a single thread .A statement at the start of the callback function prints out a message to the screen. What is the time difference between two consecutive messages output to the screen ?
technology databases

  1. 5s

  2. 25s

  3. 10s

  4. 20s

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Correct Option: D

What are the parameters for creating a timer event object ? Choose 3.
technology databases

  1. queue

  2. callback

  3. interval

  4. transport

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Correct Option: A,B,C

Choose the two similar scenarios out of the following :
technology databases

  1. poll and timed dispatch of 0

  2. dispatch and timed dispatch of –1

  3. poll and timed dispatch of –1

  4. dispatch and timed dispatch of 0

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Correct Option: A,B

The following are the fields of a message. Which field will be removed when you remove field by giving field name A and field instance 2 ? Field name Field value Field id A “default” 0 A “abc” 1 A “1,2,3,4” 2
technology databases

  1. All occurrences of field A

  2. 2nd occurrence of field A

  3. 2nd element of the array in the third occurrence

  4. None

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Correct Option: B