What is the output of the awk program? begin { a[1]="cst" a[2]="cst" for(i=1; i< 4; i++) { print a[i] } } etc.

We know that a[1]="CST", and a[2]="CST", and a[3] is either undefined or previously defined.  We assume it is undefined.

The loop goes from 1 to 3, so it will print a[1] to a[3].  Undefined a[3] will be treated as a null string, so the output will be

CSTCST

answer; receiver;

solution:

the right option is a

to adding   a new row to a table we   have to do process last table cell and pressing tab.

this is the process to add new row in the cell:

* to add a row below the cell, click insert below in the rows and columns group.

thus this is the required right answer.