C++ Programming Mock Test 1

In Hadoop, what is the purpose of the Hadoop ResourceManager "Dynamic Resource Pools" feature?

1 Mark(s)

Your Answer:

Manage task execution in MapReduce jobs Manage task execution in MapReduce jobs
Manage computation resources Manage computation resources
Execute MapReduce jobs Execute MapReduce jobs
Dynamically allocate resources Dynamically allocate resources

To create queries in Access

1 Mark(s)

Your Answer:

You can drag and drop fields on query builders
you can type the SQL command in SQL view
You can use query wizard or design view You can use query wizard or design view
All of above All of above

Which class in Java is responsible for deserialization during Java Serialization?

1 Mark(s)

Your Answer:

`Serializable` `Serializable`
`DeserializationHandler` `DeserializationHandler`
`Deserialize` `Deserialize`
`ObjectInputStream` `ObjectInputStream`

Which of the following statements can be used to set the time zone in individual scripts?

1 Mark(s)

Your Answer:

date_set_timezone(‘Europe/London’); date_set_timezone(‘Europe/London’);
date_default_timezone_set(‘Europe/London’);
date_set_default_timezone(‘Europe/London’);
date_default_timezone(‘Europe/London’);

A calendar date containing a four-digit year, month, and day of the month, is defined in the data type:

1 Mark(s)

Your Answer:

Date Date
Time Time
Timestamp Timestamp
Calendar Calendar

Transition tables cannot be used with:

1 Mark(s)

Your Answer:

Before triggers Before triggers
After triggers After triggers
Start atomic triggers Start atomic triggers
Terminate triggers Terminate triggers

A transitive dependency is which of the following?

1 Mark(s)

Your Answer:

A functional dependency between two or more key attributes.
A functional dependency between two or more nonkey attributes.
A relation that is in first normal form.
A relation that is in second normal form.

Which of the following is called extraction/get from operator?

1 Mark(s)

Your Answer:

<< <<
>> >>
> >
< <

Will the following C code compile without any error? #include <stdio.h> int main() { for (int k = 0; k

1 Mark(s)

Your Answer:

Yes Yes
No No
Depends on the C standard implemented by compilers
Error Error

You have a Command button in the Form Footer, you click the Tabular Control Layout; an attached label will be added in what section?

1 Mark(s)

Your Answer:

Detail Detail
Form Footer Form Footer
Form Header Form Header
Page Header Page Header

Animals which hunt at night and can see in dark nights are:

1 Mark(s)

Your Answer:

cats cats
owl owl
fox fox
all of them all of them

What is the method used to check the data type of a variable in Ruby?

1 Mark(s)

Your Answer:

.type .type
.typeof .typeof
.class .class
.datatype .datatype

Which of the following option is correct?

1 Mark(s)

Your Answer:

The prototyping model facilitates the reusability of components.
RAD Model facilitates reusability of components
Both RAD & Prototyping Model facilitates reusability of components
None None

Which of the following computer components typically contains the most transistors?

1 Mark(s)

Your Answer:

ROM ROM
RAM RAM
Microprocessor Microprocessor
None of these None of these

As an example to find the set of all courses taught in the Fall 2009 as well as in Spring 2010, the operation to be used is:

1 Mark(s)

Your Answer:

The Union Operation The Union Operation
The Union all Operation The Union all Operation
The Intersect Operation The Intersect Operation
The Except Operation The Except Operation

Which of the following is the correct way to decrement a variable by 1 in C#?

1 Mark(s)

Your Answer:

x--; x--;
--x; --x;
x -= 1; x -= 1;
x = x - 1; x = x - 1;

Backward recovery is which of the following?

1 Mark(s)

Your Answer:

Where the before-images are applied to the database
Where the after-images are applied to the database
Where the after-images and before-images are applied to the database
Switching to an existing copy of the database

ASCII is . . . . . . . .

1 Mark(s)

Your Answer:

6-bit character set 6-bit character set
7-bit character set 7-bit character set
9-bit character set 9-bit character set
3-bit character set 3-bit character set

A vector that have magnitude of exactly 1 is called:

1 Mark(s)

Your Answer:

null vector null vector
scalar scalar
multiple vector multiple vector
unit vector unit vector

The Process or method for Operating Computer is known as?

1 Mark(s)

Your Answer:

Procedure Procedure
Malfunctioning Malfunctioning
Computer Management Computer Management
None of these Answer None of these Answer

Aircraft body uses a special metal. This metal is hard, light and have less density. This metal is:

1 Mark(s)

Your Answer:

aluminum aluminum
steel steel
iron iron
lead lead

In Java generics, what is the purpose of the `` syntax?

1 Mark(s)

Your Answer:

It allows any type to be used as a generic
It specifies an enum type It specifies an enum type
It specifies a generic exception type It specifies a generic exception type
It restricts the generic type to be a subclass of `SomeClass`

A quantity representing the power to which a fixed number (the base) must be raised to produce a given number is termed as:

1 Mark(s)

Your Answer:

numeric numeric
logarithm logarithm
function function
derivative derivative

In Carrier Sense Multiple Access (CSMA), if the station senses the medium before trying to use it then the chance of collision can be:

1 Mark(s)

Your Answer:

increased increased
reduced reduced
highlighted highlighted
digitalized digitalized

To create primary key for a table when in design view

1 Mark(s)

Your Answer:

Type PRIMARY in field type box when creating required field
Mark the Primary check box in field name of required field
Click the Primary Key button in Design ribbon when the cursor is in required field
None of the above None of the above

What is a software patch ?

1 Mark(s)

Your Answer:

Required or Critical Fix Required or Critical Fix
Emergency Fix Emergency Fix
Daily or routine Fix Daily or routine Fix
None of the mentioned None of the mentioned

Which of the following is a condition that causes deadlock?

1 Mark(s)

Your Answer:

Mutual exclusion Mutual exclusion
Hold and wait Hold and wait
Circular wait Circular wait
No preemption No preemption
All of these All of these

Which of the following is an example of permanent storage device? RAM, Hard disk, DRAM, None of these

1 Mark(s)

Your Answer:

RAM RAM
Hard disk Hard disk
DRAM DRAM
None of these None of these

How do you define a block in Ruby?

1 Mark(s)

Your Answer:

By using the keyword block followed by square brackets []
By using the keyword block followed by parentheses ()
By defining a method with the keyword block
By enclosing code within curly braces {}

The steps involved to open a document are

1 Mark(s)

Your Answer:

select the document to open from the File down menu
click on the Open option in the Tools menu
Both 1 and 2 Both 1 and 2
can be different for different Word document
None of the above None of the above

What does the built-in function sorted() do in Python?

1 Mark(s)

Your Answer:

Returns a sorted list of the specified iterable
Converts a string to lowercase Converts a string to lowercase
Returns the square of a number Returns the square of a number
Returns the absolute value of a number Returns the absolute value of a number

A loader implementation should implement . . . . . . . . if casts (implicit or explicit) from DataByteArray fields to other types need to be supported.

1 Mark(s)

Your Answer:

LoadPushDown LoadPushDown
LoadMetadata LoadMetadata
LoadCaster LoadCaster
All of the mentioned All of the mentioned

What is it called where child object gets killed if parent object is killed?

1 Mark(s)

Your Answer:

Aggregation Aggregation
Composition Composition
Encapsulation Encapsulation
Association Association

The @font-face rules assign different names to the regular and bold versions of the font.State true or false.

1 Mark(s)

Your Answer:

True True
False False

The times by which stimuli must be processed and some response produced by the system is known as____________________?

1 Mark(s)

Your Answer:

Compile time Compile time
Frequency Frequency
Deadlines Deadlines
Execution time Execution time

The value of r in the analog transmission is:

1 Mark(s)

Your Answer:

log2L log2L
2log L 2log L
log L/2 log L/2
log L log L

Evaluating Your Answers

C++ Programming Mock Test 1 : Question 1 of 36