ASP.Net/ASP.Net Mcq Question Set 4 Sample Test,Sample questions

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Question: 
  Choose the correct option.

1. Dynamic type is non - static type.

2. Dynamic type is static type.

3.Implicit conversion does not work with type dynamic.

4.none of the above

Posted Date:-2022-02-01 12:21:36

Question: 
  LINQ query can work with?

1.DataSet

2. List<T>

3.Array

4.All of the above

Posted Date:-2022-02-01 12:18:28

Question: 
  When should you use the OleDbConnection object?

1. When connecting to an Oracle database.

2.When connecting to an Office Access database

3.When connecting to SQL Server 2000

4.none of the above

Posted Date:-2022-02-01 12:11:26

Question: 
 An interface can contain declaration of?

1. Methods, properties, events, indexers

2.Methods

3.Static members

4.All of the above

Posted Date:-2022-02-01 12:24:07

Question: 
 Choose the correct one

1. The lambda must contain the same number of parameters as the delegate type.

2.The lambda should not contain the same number of parameters as the delegate type.

3.The return value of the lambda (if any) must be explicitly convertible to the delegate's return type

4.None of the above

Posted Date:-2022-02-01 12:20:07

Question: 
 Choose the correct one.  

int[] numbers = { 5, 4, 11, 3, 9, 8, 6, 7, 2, 0 };  
  
    var nums = numbers.Skip(4);    
  
    foreach (var n in nums)   
    {   
        Console.Write(n+”  “);   
    }

1.9867 2 0

2. 5411398

3.54113

4.none of the above

Posted Date:-2022-02-01 12:13:42

Question: 
 Choose the correct one.  

int[] numbers = { 9, 10, 0, 11 };
  
        var nums =
        from n in numbers
        select n + 1;
  
    foreach (var i in nums)
    {
        Console. Write (i+”,”);
    }

1.10, 11, 1, 12

2.10, 11, 12, 13

3. 9, 10, 0, 11

4. None of these

Posted Date:-2022-02-01 12:12:44

Question: 
 Choose the correct one.

1.The return value of the lambda (if any) must be explicitly convertible to the delegate's return type

2.Each input parameter in the lambda must be implicitly convertible to its corresponding delegate parameter.

3.Lamda expression does not work with LINQ.

4.None of the above

Posted Date:-2022-02-01 12:20:38

Question: 
 For building new types at runtime which class can be used?

1.System

2.System.Object

3. System.NewClass

4.System.Reflection.Emit.

Posted Date:-2022-02-01 12:27:12

Question: 
 How many readers can simultaneously read data with ReaderWriterLock if there is no writer locks apply?

1.9

2.11

3.13

4.No Limit

Posted Date:-2022-02-01 12:54:17

Question: 
 How you can merge the results from two separate LINQ queries into a single result set.

1.Use the ToList method.

2. Use the DataContractJsonSerializer class.

3. Use the XElement class.

4.Use the Concat method.

Posted Date:-2022-02-01 12:18:52

Question: 
 Properties in .NET can be declare as

1. Static, Protected internal, Virtual
2. Public, internal, Protected internal
3. Only public
4. None

1.1, 2

2.3

3.1, 2, 3

4.4

Posted Date:-2022-02-01 12:25:30

Question: 
 Reflection can be used when?

1. To access attributes in your program's metadata

2.To create type at compile time

3.To access attributes at compile time.

4. None of the above

Posted Date:-2022-02-01 12:28:05

Question: 
 What LINQ expressions are used to shape results in a query?

1. where
2. select
3. join
4. group

1.2, 4

2. 1, 2

3.3, 4

4.None of the mentioned

Posted Date:-2022-02-01 12:16:10

Question: 
 When do LINQ queries actually run?

1.When they are iterated over in a foreachloop

2.When calling the ToArray() method on the range variable

3.When calling the ToList() method on the range variable

4.All of the above

Posted Date:-2022-02-01 12:23:02

Question: 
 Which interface defines the basic extension methods for LINQ?

1. IComparable<T>

2.IList

3.IEnumerable

4.IQueryable<T>

Posted Date:-2022-02-01 12:15:47

Question: 
 Which LINQ keyword is used to categorize results in a query?

1. where

2.select

3. join

4. group

Posted Date:-2022-02-01 12:17:28

Question: 
 Which of the following are correct?

1. An interface can be instantiated directly.
2. Interfaces can contain constructor.
3. Interfaces contain no implementation of methods.
4. Classes and structs can implement more than one interface.
5. An interface itself can inherit from multiple interfaces.

1. 3,4,5

2.1,2,3

3.2,3,4

4.All of the above

Posted Date:-2022-02-01 12:24:40

Question: 
 Which of the following are correct?

1. Delegates are like C++ function pointers.
2. Delegates allow methods to be passed as parameters.
3. Delegates can be used to define callback methods.
4. Delegates are not type safe.

1. 1,3,4

2. 1,2,3

3. 2,3,4

4.All of the above

Posted Date:-2022-02-01 12:25:04

Question: 
 Which of the following are value types?

1.String

2.System .Value

3.System.Drawing

4. System.Drawing.Point

Posted Date:-2022-02-01 12:54:41

Question: 
 Which of the following objects represents a LINQ to SQL O / R map?

1. DataSet

2.XElement

3.ObjectContext

4. DataContext

Posted Date:-2022-02-01 12:19:14

Question: 
 Which of the following statements are correct?

1. Indexers enable objects to be indexed in a similar manner to arrays.
2. The this keyword is used to define the indexers.
3. Indexers can be overloaded.
4. Indexer cannot be used in interface

1. 1, 2

2. 3

3.1,2,3

4.none of the above

Posted Date:-2022-02-01 12:25:54

Question: 
 Which query expression is used to limit the number of results?

1.Skip

2.Take

3.Where

4.Select

Posted Date:-2022-02-01 12:15:25

Question: 
According to the given below statements, choose the correct option.

Statement 1: Application caching is the process of storing data (and not pages) in a cache object.
Statement 2: Page output caching stores a rendered page, portion of a page, or version of a page in memory.
Statement 3: Caching reduces the time required to render cached page in future requests.

1.Only statement 1 is correct.

2.Statement 2 and 3 are correct.

3.Only statement 3 is correct.

4.All statements are correct.

Posted Date:-2022-02-01 12:12:12

Question: 
An assembly must have an permission to connect with web server is?

1.socketPermission

2.DnsPermission

3. WebPermission

4.TCPPermission

Posted Date:-2022-02-01 12:52:24

Question: 
Choose the correct one

1.Variables introduced within a lambda expression are not visible in the outer method.

2.Variables introduced within a lambda expression are visible in the outer method.

3. The lambda should not contain the same number of parameters as the delegate type.

4.None of the above.

Posted Date:-2022-02-01 12:21:10

Question: 
Choose the correct one.

int[] numbers = { 9, 4, 1, 3, 8, 6, 7, 2,1 };
  
    var nums = numbers.Take(3);  
  
    foreach (var n in nums)   
    {
  
        Console.WriteLine(n);
  
    }

1.7 2 1

2.9 4 1

3.3 8 6

4.1 4 9

Posted Date:-2022-02-01 12:13:14

Question: 
Choose the correct one.  

int[] A = { 0, 2, 4, 5, 6, 8 };
        int[] B = { 1, 3, 5, 7, 8 };
  
        var nums = A.Union(B);   
   
    foreach (var n in nums)
    {
        Console.Write(n+”  “);
    }

1. 0 24568 13578

2.0 2 4 5 6 8 1 3 7

3.0 1 2 3 4 5 6 7 8

4.none of the above

Posted Date:-2022-02-01 12:14:07

Question: 
Choose the correct one.  

int[] A = { 0, 2, 4, 5, 6, 8, 9 };
    int[] B = { 1, 3, 5, 7, 8 };
  
    IEnumerable nums = A.Except(B);
  
    foreach (var n in nums)
    {
        Console.Write(n +”  “);
    }

1.0, 2, 4, 5, 6, 8, 9

2.1, 3, 5, 7, 8

3. 0 2 4 6 9

4.All of the above

Posted Date:-2022-02-01 12:14:30

Question: 
For locking the data with synchronization which class will be used?

1.Moniter

2.SyncLock

3. Moniter

4.Deadlock

Posted Date:-2022-02-01 12:53:51

Question: 
If you want to validate the email addresses, Social Security numbers, phone numbers, and dates types of data, which validation control will be used?

1.RegularExpressionValidator

2. CompareValidator

3.RequiredFieldValidator

4.none of the above

Posted Date:-2022-02-01 12:11:04

Question: 
In a SQL Statement while working with SqlCommand it returns a single value, at that time which method of Command Object will be used?

1. ExecuteNonQuery

2.ExecuteReader

3.ExecuteScalar

4.All of the above

Posted Date:-2022-02-01 12:11:47

Question: 
The best way for handling exception when dealing with a database connection?

1. Implement a try / catch block that catches System.Exceptions.

2. Implementing custom error page.

3. Implement a try / catch block that catches individual exception types, such as SQLException.

4.Display an error message.

Posted Date:-2022-02-01 12:26:22

Question: 
Thread class has the following property.

A. ManagedThreadID
B. IsBackground
C. IsBackgroundColor
D. Abort

1. 1, 2

2.1, 4

3.4

4.1 ,2, 4

Posted Date:-2022-02-01 12:52:54

Question: 
What is lamda expression?

1. Anonymous function
2. Can  be used to create delegates
3. Named function
4. None

1.1, 2

2.1, 2, 3

3.1, 3

4. 4

Posted Date:-2022-02-01 12:19:36

Question: 
What types of Objects can you query using LINQ?

1.DataTables and DataSets

2. Any .NET Framework collection that implements IEnumerable(T)

3.. Collections that implement interfaces that inherit from IEnumerable(T)

4.All of the above

Posted Date:-2022-02-01 12:22:41

Question: 
What types of shapes can LINQ query results be shaped into?

1. Collections of primitive types
2. Collections of complex types
3. Single types
4. Collections of anonymous types

1.1, 2, 4

2.1, 2, 4

3.1,2,3

4.1,3,4

Posted Date:-2022-02-01 12:16:40

Question: 
Which delegate is required to start a thread with one parameter?

1.ThreadStart

2. ParameterizedThreadStart

3.ThreadStartWithOneParameter

4.none of the above

Posted Date:-2022-02-01 12:53:17

Question: 
Which file contains settings for all .NET application types, such as Windows, Console, ClassLibrary, and Web applications?

1.Web.config

2.Machine.config

3.Global.asax

4.All of the above

Posted Date:-2022-02-01 12:10:14

Question: 
Which LINQ statement defines the range variable in a LINQ query?

1.from

2.select

3. join

4.where

Posted Date:-2022-02-01 12:14:56

Question: 
Which LINQ statement is used to merge two data sources to perform queries?

1.where

2.select

3. join

4.group of functions

Posted Date:-2022-02-01 12:17:06

Question: 
Which object data is included in bookmarks and e-mailed URLs?

1.ViewState

2.cookies

3.Query strings

4. All of the above

Posted Date:-2022-02-01 12:10:43

Question: 
Which of the following is dictionary object?

1.HashTable

2. SortedList

3.NameValueCollection

4.All of the above

Posted Date:-2022-02-01 12:51:29

Question: 
Which of the following statement / s is / are true?

1.CommitChanges is a method of SqlDataContext.

2. CommitChanges is a method of DataContext.

3. CommitChanges is a method of DbDataContext.

4.CommitChanges is a method of OleDbData Context

Posted Date:-2022-02-01 12:23:32

Question: 
Which of the following statement is correct?

1.Anonymous types are class types that derive directly from object.

2.Anonymous types are not class types that derive directly from object.

3.Anonymous types are class types that derive directly from System.Class.

4.None of the above

Posted Date:-2022-02-01 12:22:04

Question: 
Which of the following statements is true?

1.LINQ to SQL works with any database.

2.LINQ to SQL works with SQL Server.

3.LINQ to SQL is a CLR feature.

4.LINQ to SQL is a SQL Server feature.

Posted Date:-2022-02-01 12:17:57

Question: 
Which property will you set for each RadioButton Control in the group?

1.Specify the same GroupName for each RadioButton.

2.Specify the different GroupName for each RadioButton.

3.Specify the same GroupID for each RadioButton.

4.Specify the same ID for each RadioButton.

Posted Date:-2022-02-01 12:09:52

Question: 
You need to identify a type that meets the following criteria:

• Is always a number.
• Is not greater than 65,535.

Which type should you choose?

1. System.UInt16

2. int

3. System.String

4.System.IntPtr

Posted Date:-2022-02-01 12:51:08

Question: 
You need to select a class that is optimized for key - based item retrieval from both small and large collections. Which class should you choose?

1.OrderedDictionary class

2.HybridDictionary class

3.ListDictionary class

4.Hashtable class

Posted Date:-2022-02-01 12:49:57

Question: 
You want to configure the application to use the following authorization rules in web.config file.

• Anonymous users must not be allowed to access the application.
• All employees except ABC must be allowed to access the application.

1.<authorization> <deny users=”ABC”> <allow users=”*”> <deny users=”?”> </authorization>

2.<authorization> <allow users=”*”> <deny users=”ABC”> <deny users=”?”> </authorization>

3.<authorization> <allow users=”ABC”> <allow users=”*”> </authorization>

4.<authorization> <deny users=”ABC”> <deny users=”?”> <allow users=”*”> </authorization>

Posted Date:-2022-02-01 12:52:03

Posted on by R4R Team

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