Cairn Technical Questions

'this' pointer is _____________________ .
1. Pointer to the current object created in all static and non-static methods
2. Pointer to the current object created for the current class
3. Both A and B
4. Pointer to the current object created in all non-static methods
Answer: Option D

Which is better computing time (in analysis of algorithm)?
1. O(N)
2. O(2N)
3. O(log2 N)
4. O(N log2 N)
Answer: Option C
The basic data type char(n) is a _____ length character string and varchar (n) is _____ length character.
1. Fixed, equal
2. Equal, variable
3. Fixed, variable
4. Variable, equal
Answer: Option C
You have an interface on a router with the IP address of 192.168.192.10/29. What is the broadcast address the hosts will use on this LAN?
1. 192.168.192.15
2. 192.168.192.31
3. 192.168.192.63
4. 192.168.192.127
Answer: Option A
Which of the following is the syntax for views where v is view name?
1. Create view v as “query name”;
2. Create “query expression” as view;
3. Create view v as “query expression”;
4. Create view “query expression”;
Answer: Option C

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A data type is stored as a 6 bit signed integer. Which of the following cannot be represented by this data type?
1. -12
2. 0
3. 32
4. 18
Answer: Option C

Technical Questions asked in Cairn