Technology | Practice Questions | Aliensbrain

Multiple choice technology

Which of the following is true about the Union transformation?

Multiple input and output groups can be created.
All the input groups and output groups should not have matching ports.
The union transformation does not generate any transactions.
The precision, data type and scale does not necessarily be same across all the groups.
None of these.

Reveal answer Fill a bubble to check yourself

Multiple choice technology

While using an aggregator and an update strategy in the same pipeline

The aggregator must come before the update strategy.
The update strategy must come before the aggregator.
The aggregator can come before or after the update strategy and vice versa.
An aggregator cannot be used with an update strategy in the same pipeline.
The update strategy must always use DD_UPDATE when used with an aggregator.

Reveal answer Fill a bubble to check yourself

Multiple choice technology

The filter condition is not case sensitive

True
False

Reveal answer Fill a bubble to check yourself

Multiple choice technology

Which of the following is true?

Joiner transformation cannot be used if either of the input pipelines contains an update strategy transformation.
Joiner transformation cannot be used if a sequence generator is used directly before it.
Both.
None of these.

Reveal answer Fill a bubble to check yourself

Multiple choice technology

The session fails if you delete a lookup port from a relational lookup table if the mapping does not use that lookup port.

True
False

Reveal answer Fill a bubble to check yourself

Multiple choice technology programming languages

class test{} class tester extends test{ public static void main(String[] args) { test t1 = new tester(); test t2 = new test(); tester t3 = new tester(); System.out.println( t1 instanceof tester); System.out.println( t2 instanceof tester); System.out.println( t3 instanceof tester); System.out.println( t1 instanceof test); System.out.println( t2 instanceof test); System.out.println( t3 instanceof test); }

True False True True True True
True False False True True True
True False True True True False
True False True True False True

Reveal answer Fill a bubble to check yourself

Multiple choice technology programming languages

public class Fun { public static void main(String[] args){ int x=0; boolean b=true; String str; str=(b)?"success": (x=0)?"Failure":"Neither"; System.out.println(str); } }

Failure
success
Exception will be thrown
Compilation error
Neither

Reveal answer Fill a bubble to check yourself

Multiple choice technology programming languages

class Root { int bark=10; public void get(){ System.out.println("Root"); } } public class Tree extends Root{ public void get(){ bark =15; System.out.println("Tree"); } public static void main(String[] args){ Tree t = new Tree(); Root r = new Root(); Root t1= new Tree(); r.get(); t.get(); t1.get(); System.out.println(t.bark); System.out.println(t1.bark); System.out.println(r.bark); } }

Root Tree Tree 15 15 15
Root Tree Tree 10 15 15
Root Tree Root 15 15 10
Root Tree Tree 15 15 10
Root Tree Tree 15 10 10

Reveal answer Fill a bubble to check yourself

Multiple choice technology programming languages

public class Top { private int i; Top(int i) {this.i=i; } public int getValue(){ return this.i; } } class Bottom{ public static void main(String[] args) { Top tp = new Top(5); String j = Integer.toString(tr.getValue()); tp.i=15; System.out.println( tp.i + j); } }

155
Compilation error
Exception
20
5 5

Reveal answer Fill a bubble to check yourself

Multiple choice technology programming languages

public class Play { public static void main(String[] args) { int[][] a = {{5,2,4,7}, {9,2}, {3,4}}; int[] b = a[1]; int[][] b1= new int[3][]; int a2 = b[2]; System.out.println(a2); } }

2
4
Exception
Compilation error
9

Reveal answer Fill a bubble to check yourself

Tag: technology

Questions Related to technology