CS506 Solved Quiz 1 by VUBuddy

WMIg3Q

Q3. The method “getId()” of http Session class returns the unique identifier of the session.

1. True
2. False

Correct answer: True

Q4. In 3-layer architecture, we do NOT make any direct calls to database from the presentation layer.

1. True
2. False

Correct answer: True

Q5. Which of the following method allows any other thread of same priority to execute?

1. sleep()
2. wait()
3. notify()
4. yield()

Correct answer: yield()

WMIg3Q

Q6. Packages are nothing more than the way we organize files into different directories according to their functionality, usability as well as category they should belong to.

1. True
2. False

Correct answer: True

Q7. Which of the following interface needs to implement while creating threads.

1. Serializable
2. Runnable
3. ActionListner
4. WindowListener

Correct answer: Runnable

Q8. Each web application has ____ servlet context/s.

1. 0
2. 1

Correct answer: 1

WMIg3Q

c) 2 d) 3

Q9. Which of the following is NOT true about HTTP?

1. HTTP is a stateless protocol
2. HTTP is a request response communication model
3. HTTP maintains user session between successive requests.
4. HTTP has no bult-in state management between successive requests.

Correct answer: HTTP maintains user session between successive requests.

Q10. Context attributes are shared among ___ servlet/s of ___.

1. all, desktop application
2. all, a web application
3. two, a web application
4. two, desktop applications

Correct answer: all, a web application