DotNet 3.5 using C#, .Net Technology

DotNet 3.5 using C#

Question: While using the capabilities supplied by the System.Messaging classes, which of the following are true?
A
Information must be explicitly converted to/from a byte stream before it uses the MessageQueue class

B
Invoking the MessageQueue.Send member defaults to using the System.Messaging.XmlMessageFormatter to serialize the object.

C
Objects must be XMLSerializable in order to be transferred over a MessageQueue instance.

D
The first entry in a MessageQueue must be removed from the queue before the next entry can be accessed

E
Entries removed from a MessageQueue within the scope of a transaction, will be pushed back into the front of the queue if the transaction fails.

Note: Not available
1. Report
Question: What impact will using implicitly typed local variables as in the following example have? var sample = "Hello World";
A
The actual type is determined at compilation time, and has no impact on the runtime

B
The actual type is determined at runtime, and late binding takes effect

C
The actual type is based on the native VARIANT concept, and no binding to a specific type takes place.

D
"var" itself is a specific type defined by the framework, and no special binding takes place

Note: Not available
1. Report
Question: Which of the following are true about System.GC under version 3.5 of the Framework?
A
You can request that the garbage collector process a generation if it determines that it is appropriate at specific points in your code

B
You can control the intrusiveness of the garbage collector (i.e. how often it performs collections) while your program is running

C
You can control the intrusiveness of the garbage collector (i.e. how often it performs collections) only during application initialization

D
You should specify LowLatency when using Concurrent Server Garbage Collection to improve memory utilization

Note: Not available
1. Report
Question: Which of the following operators can be overloaded?
A
Assignment (=)

B
Conditional (&&,||)

C
Logical (&,|,^)

D
Shift (<<, >>)

Note: Not available
1. Report
Question: Which of the following does the System.IO.Pipes namespace provide?
A
Interprocess communication through anonymous and/or named pipes.

B
Access to named pipes using System.IO.Stream

C
Access to system level pipe security implemented as discretionary access control lists (DACL) and/or system access control lists (SACL)

D
Asynchronous read and write operations

E
All of these

Note: Not available
1. Report
Question: Which of the following statements do Expression Trees fit best?
A
Expression trees are a data structure which can be initially composed using language syntax.

B
Expression trees are dynamically generated code which is executed to perform the desired function.

C
Expression trees can only be created from Lambda Expressions

D
Expression trees can be modified once they are created

E
All of these

Note: Not available
1. Report
Question: By which contract are the ws-addressing action and replyaction elements of the soap envelop controllable when Windows Communication Foundation is used?
A
ServiceContract

B
OperationContract

C
DataContract

D
MessageContract

Note: Not available
1. Report
Question: Which of the following are true when comparing ADO.NET with Microsoft DNA (Distributed interNet Applications)?
A
ADO.NET provides significantly better performance.

B
ADO.NET is better suited for communications between disparate systems/applications.

C
ADO.NET can eliminate the need for COM components in the communication layer.

D
DNA makes it easier to communicate across firewalled boundaries.

Note: Not available
1. Report
Question: When Deleting a DataRow from the DataRowCollection of a DataTable, you can:
A
use the DataRowCollection.Remove method to immediately delete the row.

B
use the DataRowCollection.Remove method to mark the row for deletion when DataRow.AcceptChanges is called.

C
use the DataRow.Delete method to immediately delete the row.

D
use the DataRow.Delete method to mark the row for deletion when DataRowAcceptChanges is called.

Note: Not available
1. Report
Question: Which of the following are required to be true by objects which are going to be used as keys in a System.Collections.HashTable?
A
They must handle case-sensitivity identically in both the GetHashCode() and Equals() methods.

B
Key objects must be immutable for the duration they are used within a HashTable.

C
Get HashCode() must be overridden to provide the same result, given the same parameters, regardless of reference equalityl unless the HashTable constructor is provided with an IEqualityComparer parameter.

D
Each Element in a HashTable is stored as a Key/Value pair of the type System.Collections.DictionaryElement

E
All of these

Note: Not available
1. Report

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Question: While using the capabilities supplied by the System.Messaging classes, which of the following are true?

Question: What impact will using implicitly typed local variables as in the following example have? var sample = "Hello World";

Question: Which of the following are true about System.GC under version 3.5 of the Framework?

Question: Which of the following operators can be overloaded?

Question: Which of the following does the System.IO.Pipes namespace provide?

Question: Which of the following statements do Expression Trees fit best?

Question: By which contract are the ws-addressing action and replyaction elements of the soap envelop controllable when Windows Communication Foundation is used?

Question: Which of the following are true when comparing ADO.NET with Microsoft DNA (Distributed interNet Applications)?

Question: When Deleting a DataRow from the DataRowCollection of a DataTable, you can:

Question: Which of the following are required to be true by objects which are going to be used as keys in a System.Collections.HashTable?