Net Questions

. NET TEST PAPER Time: 30 Mins Name:_________________________ Instrcuctor: Kamal 1) The crux of CLR is physically represented by a library named a) mscorlib.dll b) mscorsvr.dll c) mscoree.dll d) mscorwks.dll 2) Default access modifier for a class in c#.net is a) public b) internal c) private d) none of above 3) Queue class defined in System. Collection namespace implements following interfaces a) ICollection b) IEnumerable c) ICloneable d) All of above 4) To display [Newton Said: “There Exists law of gravity”] on screen, following is correct a)Console. Writeline(“Newton Said:” + “There Exists law of gravity”); b)Console. Writeline(“Newton Said: There Exists law of gravity”); c)Console. Writeline(@ “ ” “Newton Said:” “There Exists law…” “ “); d) Console. Writeline(@”Newton Said: “ “There Exists law of …” “ “); 5) Following is a member of System. Object type a) Equals( ); b) Add( ); c) Count( ); d) SyncRoot( ); 6) The default wire protocol for remote XML web service invocation is a) HTTP POST b) SOAP c) HTTP GET d) None of the above

7) To enable HTTP GET and HTTP POST bindings in web service scenario, setting are established in a) machine.config b) web.config c) Global.asax d) app.config 8) ParameterizedThreadStart delegate has following signature a) void method (object data); b) void method( object sender, EvenHendler e); c) void method (void); d) Non of above 9) To generate the proxy class using some WSDL of a web service such that class is generated in VB.NET, under namespace sample, and url is taken from client-side *.config file, the command set would be a) wsdl /out:proxy.cs /n:sample /urlkey: serviceurl [wsdl link] b) wsdl /out:proxy.Vb /language:vb /urlkey: serviceurl [wsdl link] c) wsdl /out: proxy.vb /language:vb /n:sample /urlkey: serviceurl [wsdl link] d) wsdl /out: proxy.vb [wsdl link] 10) A remote object using BinaryFormatter for Serialization & Deserialization is a candidate to be hosted by a) IIS b) Window service c) Both a & b d) neither a nor b 11) Consider a remote object hosted by window service. The server-activated object is created when a) a method call is placed through proxy b) window service is started c) proxy is created d) either a or c depending upon activation mode 12) Consider a c# file named testapp.cs having a class named testapp which has entry point Main( ), to compile this file to generate testapp.exe following command set is valid a) csc /target:exe testapp.cs b) csc /t:exe testapp.cs c) csc testapp.cs d) all above are valid 13) in connected model of ADO.NET , assuming SQL data provider ,consider following code sqlcommand mycommand = new sqlcommand (strSQL, con);

(where strSQL is command string and con is valid connection object) mycommand. BeginExecuteReader (CommandBehavior. CloseConnection) considering above statement I would collect the return value in following type a) sqlDataReader type b) IAsyncResult type c) Data TableReader type d) Non of above 14) in connected model of ADO.NET following member of DbCommand is designed specifically for singleton queries a) prepare( ) b) ExecuteReader( ) c) ExecuteNonQuery( ) d) ExecuteScalar( ) 15) in a disconnected model of ADO.NET, consider that you have created a DataRow instance, before adding it to the DataRowCollection , it would be in following state a) Unchanged b) Deleted c) Detached d) Modified 16) following data-provider is third party data-provider. It is not shipped with Microsoft ADO.NET a) MySQL b) ODBC c) OLEDB d) SQL 17) A thread would be in following state when it is first created until start( ) method called on it . a) Stopped b) Aborted c) Unstarted d) Suspended 18) The following property of Filelnfo class gets the path of the specified file . a) Directory b) FullName c) DirectoryName d) Extension 19) The use-defined control class is derived from a) UserControl class b) Control class c) Form class

d) WinControl class 20) The basic interface that must be supported by a collection class is a) ICloneable b) IComparer c) IComparable d) IEnumarable 21) Following is not a c# parameter modifier a) in b) out c) ref d) params 22) To get the list of methods hold by delegate object, you will can the following method a) Invoke( ) b) Combine( ) c) BeginInvoke ( ) d) GetInvocationList( ) 23) To manage the state of application-wide data, with expiration time, so that it can be updated again, the best suited state-management technique provided by ASP.NET 2.0 for above case is a) Application State b) Application Cache c) Session State d) Cookie 24) consider the following code enum color {red, green= 8, blue, yellow} the value of yellow will be a) 3 b) 4 c) 10 d) 2 25) Out-Proc session state object is hosted by a) aspnet_wp.exe b) aspnet_state.exe (ASP.NET state service) c) Alerter.exe d) Non of above 26) Following Serialization format demands for default constructor in all the classes involved in object graph to be serialized a) XmlSerializer b) SoapFormatter c) BinayFormatter d) All of above

27) suppose a web service is there represented by a class named Mathametics. The code also contains the public helper class named FixedValues. It also contains a private class named calculations. If we are adding the web reference in client project, the following classes will be there in Reference.cs file. a) Mathemetics & calculations b) Mathemetics, FixedValues & calculation c) Mathemetics d) Mathemetics & FixedValues. 28) Default access modifier for methods declared in an interface is a) internal b) public c) private d) none of above 29) C# language is said to be supporting aspect-oriented programming techniques because of it’s following feature a) Interface-based programming support b) Automatic memory management c) generics d) attributes 30) following is not a CLR component a) Class Loader b) C# compiler c) Garbage Collector d) JIT compilers