Questions and answers for exam Preparation

MCQs

Total Questions : 303 | Page 26 of 31 pages

Question 251. For locking the data with synchronization which class will be used?

Lock
Moniter
SyncLock
Deadlock

Discuss Question

Answer: Option B. -> Moniter
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 252. Which of the following are value types?

String
System .Value
System.Drawing
System.Drawing.Point

Discuss Question

Answer: Option D. -> System.Drawing.Point
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 253. Why should you write the cleanup code in Finally block?

Compiler throws an error if you close the connection in try block.
Resource cannot be destroyed in catch block.
Finally blocks run whether or not exception occurs.
All of the above

Discuss Question

Answer: Option C. -> Finally blocks run whether or not exception occurs.
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 254. When the garbage collector runs.

It runs automatically
EveryDay
Every alternate day
When IIS restart.

Discuss Question

Answer: Option A. -> It runs automatically
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 255. Which of the following is true ? 1. AJAX is a platform-independent technology 2. AJAX can work with web application 3. AJAX can only work with ASP.NET 4. AJAX is a platform-dependent technology

1, 2
1,2,3
1,3,4
None of the above

Discuss Question

Answer: Option A. -> 1, 2
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 256. Which of the following are reference types?

String
Exception
Class
All of the above

Discuss Question

Answer: Option D. -> All of the above
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 257. How many readers can simultaneously read data with ReaderWriterLock if there is no writer locks apply?

9
11
13
No Limit

Discuss Question

Answer: Option D. -> No Limit
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 258. Which method is used to dynamically register client script from code?

Page.ClientScript.RegisterClientScriptBlock
RegisterScript
Page.ClientScript
None of the above

Discuss Question

Answer: Option A. -> Page.ClientScript.RegisterClientScriptBlock
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 259. AnUpdatePanel control defined on a page. Button control is placed outside of the UpdatePanel. How to cause the UpdatePanel to execute an update.

Set the Trigger attribute of the UpdatePanel to the ID of the Button control.
Set the AsyncPostBackTrigger attribute of the Button control to the ID of theUpdatePanel.
Place the button control on the update panel without script manager.
Add an AsyncPostBackTrigger control to the Triggers section of the UpdatePanel. Set the ControlID attribute of the AsyncPostBackTrigger control to the

Discuss Question

Answer: Option D. -> Add an AsyncPostBackTrigger control to the Triggers section of the UpdatePanel. Set the ControlID attribute of the AsyncPostBackTrigger control to the
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 260. Which control is required for every page that have AJAX Extensions for ASP.NET?