Javascript Question

What is the result of !( '5' == 5 )?

true

false

null

What is the difference between == and === operators in JavaScript?

== compares only values while === compares both values and types

== compares both values and types while === compares only values

Both operators are identical

None of the above.

Which one is not a Property of $.Ajax()

success

Complete

Fail

beforeSend

In html, there is a ul element with multiple li elements, Which one is correct to apply red color on 3rd li ?

$('ul child:3 li').css("color", "red");

$('ul li:3').css("color", "red");

$('ul').find('li:3').css("color", "red");

$('ul li:eq(3)').css("color", "red");

var arr= [1,2,3];

arr[10]=4;

var arrLength=arr.length;

What value assign in the arrLength?

var str ="abc";
console.log(str.indexOf('B'))

What value print in the console?

-1

If "Product" table contain 100 rows? then which EntityFramwork Query throw error?

_db.Product.Single();

_db.Product.First();

_db.Product.Take(1000);

_db.Product.Skip(1000);

In C# which statement is not correct?

ReadOnly is a compile constant.

ReadOnly cannot be declared inside the method.

Const can be declared inside the method.

The value of Readonly field can be changed.

In C# which statement is not correct?

Abstract class can not have constructor

Abstract methods can not be private

Abstract class can have static methods

Abstract class cannot be a sealed

In C# which statement is not correct?

app.Use may call next middleware component in the pipeline

app.Run will never call subsequent middleware

Both are correct

Both are not correct

In C# which code statement throw error?

"12-3-5-3-10000".IndexOf("SD");

"12-3-5-3-10000".Split("-");

"12-3-5-3-10000".Replace("-","NULL")

"12-3-5-3-10000".Contains("NULL")

    [Route("{type}/{library}/{version}/{file?}/{renew?}")]
    public ActionResult Index2(EFileType type,
                              string library,
                              string version,
                              string file = null,
                              ECacheType renew = ECacheType.cache)
    {
        return View("Index");
    }

Which URL will not hit this Action Method?

http://localhost:52392/2/lib1/ver1/file1/1

http://localhost:52392/2/lib1/ver1/file1/1/

All URL hit the Action Method

public async Task PerformMultipleOperationsAsync()
{
var tasks = new Task[]
{
Operation1Async(), // Take 2 seconds
Operation2Async(), // Take 2 seconds
Operation3Async(), // Take 2 seconds
};

try
{
await Task.WhenAll(tasks);
}
catch (AggregateException ae)
{

}
}

What will be the execution time of method "PerformMultipleOperationsAsync"?

6 Seconds

4 Seconds

2 Seconds

Error

In MSSQL Database which one is not a valid clauses?

LIMIT

NOLOCK

Fetch

OPENJSON

In MSSQL server Which query returns records from the "Product" table where "Name" column contains Null value?

Select * From Product Where Name = NULL

Select * From Product Where Name Is NULL

Select * From Product Where ISNull(Name,'') = NuLL

Select * From Product Where Name =''

In MSSQL which statement is not correct?

The DELETE command is used to delete particular records from a table.

The TRUNCATE command is used to delete the complete data from the table.

Delete is a DDL command.

TRUNCATE does not activate the triggers applied on the table.

In SQL management studio, for a Query which Tool help us to create indexes on tables

Database Engine Tuning Adviser

SQL Profiler

SQL Query Editor

Customize