They should use fiber cable because it is faster and more reliable
        
             
        
        
        
Answer:
Check the explanation
Explanation:
--Query 1)
SELECT ename, sal, age
FROM Emp;
--Query 2)
SELECT did
FROM Dept
WHERE floot = 10 AND budget<15000;
 
        
             
        
        
        
Answer:
By having very good luck and winning it in a giveaway!!!
 
        
                    
             
        
        
        
Answer:
Option(B) i.e "Merge sort " is the correct answer to the given question .
Explanation:
The merge sort follow the approach of divide and conquer technique .It means firstly it divided the given array into the sub parts that sub parts are sorted in comparing the first  value with the adjacent value and perform selection sorting in them it means we swap the value if necessary. This process will continue until all the elements are checked .
- When the sub parts are  arranged  then we will combine them and getting the new or original array that is in sorted order.
- When we perform the merge sort  the extra memory is used which is drawback of merge sort .
- All the other options are not Splitting  the array in two parts and perform sorting so these are incorrect option .
 
        
             
        
        
        
Answer:
In these conditions sampling becomes necessary or convenient as it allows data collection within time limit and with less efforts.