Technical Questions asked in Syntel

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Under which of the following Big O notation it is suggested to review design of algorithm?
1. O(nlogn)
2. O(n²)
3. O(n)
4. O(2ⁿ)
Answer: Option D.
Merge sort algorithm uses _________ technique
1. Brute force
2. Divide and conquer
3. Greedy
4. Dynamic programming
Answer: Option B.

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Create index customerID_index on customer(ID);
Here which one denotes the relation for which index is created ?
1. customerID_index
2. ID
3. customerID
4. customer
Answer: Option D.
Which of the following is true about tables in second normal form (2NF)?
1. It has a composite key
2. It removes the possibility of a insertion anomalies
3. It removes all hidden dependencies
4. It has all non key fields depend on the whole primary key
Answer: Option C.
The arguments that determine the state of the cout object are called
1. classes
2. manipulators
3. format flags
4. state controllers
Answer: Option C.
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Which of the following concepts means determining at runtime what method to invoke?
1. Data hiding
2. Dynamic Typing
3. Dynamic binding
4. Dynamic loading
Answer: Option C

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