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operating systems Online Quiz - 20

Description: operating systems Online Quiz - 20
Number of Questions: 20
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Tags: operating systems
Attempted 0/20 Correct 0 Score 0

Where are reference types typically allocated

  1. Reference on Stack

  2. Reference on Heap

  3. Reference on Stack and the Data it points to on Heap

  4. None of the Above


Correct Option: C

The Garbage Collector completely prevents memory leaks in a program

  1. True

  2. False


Correct Option: B

All programs in C# are compiled to a common format. What is this format called?

  1. .EXE format

  2. Common Intermediate Language (CIL)

  3. JAVA

  4. ByteCode


Correct Option: B

C# supports no threads

  1. True

  2. False


Correct Option: B

A key frame is a drawing that defines the starting and ending points of any smooth transition in an animation.

  1. True

  2. False


Correct Option: A

XAML is not case sensitive

  1. True

  2. False


Correct Option: B

In the Code below. List the objects

  1. StackPanel and Content only

  2. Button only

  3. Content only

  4. StackPanel and Button


Correct Option: D

All Silverlight programs use the following name spaces

  1. True

  2. False


Correct Option: B

Properties of an C# object can often be expressed as attributes of the object element in XAML.

  1. True

  2. False


Correct Option: A

The XAML language includes some optimizations that produce more human-readable markup. One such optimization is that if a particular property takes a collection type, then items that you declare in markup as child elements within that property's value become part of the collection. In this case a collection of child object elements is the value being set to the collection property.

  1. True

  2. False


Correct Option: A

The following syntax is valid:

  1. True

  2. False


Correct Option: B

Markup extensions are a XAML language concept. The following Markup extensions are supported

  1. Binding

  2. StaticResource

  3. DynamicResource

  4. Button

  5. Object

  6. x:Type


Correct Option: A,B,C,F

A sequence of keyframes defines which movement the spectator will see in an animation

  1. True

  2. False


Correct Option: A

The /home filesystem is 100% full and errors are generated trying to increase the size using chfs. Which of the following is most likely causing the problem?

  1. /home is still mounted

  2. /var is 100% full

  3. A user is editing a file residing in /home

  4. /tmp is 100% full


Correct Option: D

System p administrator needs to display the currently logged in users. Which of the commands accomplish this?

  1. alog

  2. who

  3. last

  4. lsuser


Correct Option: A

Which resource is responsible for providing boot diagnostics via NIM?

  1. SPOT

  2. lpp_source

  3. diagnostics CDROM

  4. mksysb


Correct Option: A

While attempting to mount the /fstest filesystem the system administrator gets the following error: mount: 0506-324 Cannot mount /dev/fstestlv on /fstest: A file or directory in the path name does not exist.What is the most likely cause of the error?

  1. The /fstest filesystem is out of space

  2. The volume group containing the file system is not imported.

  3. The /fstest directory has been removed.

  4. A user is logged into the /fstest filesystem.


Correct Option: C

How would an administrator remove the volume group datavg definition from the system?

  1. reducevg datavg

  2. lsvg -r datavg

  3. exportvg datavg

  4. varyoffvg datavg


Correct Option: C
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