Microsoft Microsoft Certifications 98-361 Questions & Answers

• Question 181:

  Which term is used to describe small units of text that are stored on a client computer and retrieved to maintain state?

  A. trace

  B. cookie

  C. server transfer

  D. cross-page post

  Correct Answer: B

  HTTP is a stateless protocol. This means that user data is not persisted from one Web page to the next in a Web site. One way to maintain state is through the use of cookies. Cookies store a set of user specific information, such as a reference identifier for a database record that holds customer information.

• Question 182:

  You need to create a property in a class. Consumers of the class must be able to read the values of the property. Consumers of the class must be prevented from writing values to the property.

  Which property procedure should you include?

  A. Return

  B. Get

  C. Set

  D. Let

  Correct Answer: B

• Question 183:

  How many parameters can a default constructor have?

  A. 0

  B. 1

  C. 2

  D. 3 or more

  Correct Answer: A

  If a class contains no instance constructor declarations, a default instance constructor is automatically provided. That default constructor simply invokes the parameterless constructor of the direct base class.

• Question 184:

  Which of the following must exist to inherit attributes from a particular class?

  A. Public properties

  B. A has-a relationship

  C. An is-a relationship

  D. Static members

  Correct Answer: B

  Visual Basic has been a pioneer of binary code reuse -- controls being the classic example. You reuse the code in a control by placing an instance of the control on your form. This is known as a containment relationship or a has-arelationship; that is, the form contains or has a CommandButton.

• Question 185:

  Which type of function can a derived class override?

  A. a non-virtual public member function

  B. a private virtual function

  C. a protected virtual member function

  D. a static function

  Correct Answer: C

  You can override virtual functions defined in a base class from the Visual Studio. The override modifier is required to extend or modify the abstract or virtual implementation of an inherited method, property, indexer, or event.

• Question 186:

  Class C and Class D inherit from Class B. Class B inherits from Class A. The classes have the methods shown in the following table.

  

  All methods have a protected scope.

  Which methods does Class C have access to?

  A. only m3, m4

  B. only m2, m3

  C. only ml, m3

  D. m1, m3, m3

  E. m2, m3, m4

  F. m1, m2, m3

  Correct Answer: F

• Question 187:

  Your application must pull data from a database that resides on a separate server. Which action must you perform before your application can retrieve the data?

  A. Configure the network routers to allow database connections.

  B. Install the database on each client computer.

  C. Create a routine that bypasses firewalls by using Windows Management Instrumentation (WMI).

  D. Establish a connection to the database by using the appropriate data provider.

  Correct Answer: D

• Question 188:

  You have a class named Truck that inherits from a base class named Vehicle. The Vehicle class includes a protected method named brake (). How should you call the Truck class implementation of the brake () method?

  A. Vehicle. brake ();

  B. This. brake ();

  C. MyBase. brake();

  D. Truck. brake ();

  Correct Answer: C

  The MyBase keyword behaves like an object variable referring to the base class of the current instance of a class.MyBase is commonly used to access base class members that are overridden or shadowed in a derived class.

• Question 189:

  You have a server that limits the number of data connections. What should you use to optimize connectivity when the number of users exceeds the number of available connections?

  A. Connection timeouts

  B. Named pipes

  C. Normalization

  D. Connection pooling

  Correct Answer: D

  In software engineering, a connection pool is a cache of database connections maintained so that the connections can be reused when future requests to the database are required.

• Question 190:

  Your database administrators will not allow you to write SQL code in your application. How should you retrieve data in your application?

  A. Script a SELECT statement to a file.

  B. Query a database view.

  C. Call a stored procedure.

  D. Reference an index in the database.

  Correct Answer: C

  The SQL will only be inside the stored procedure.