C Programming Mock Test 17 - Online MCQ Exam

Which of the following platforms does Hadoop run on?

1 Mark(s)

Your Answer:

Bare metal Bare metal
Debian Debian
Cross-platform Cross-platform
Unix-like Unix-like

Equatorial diameter of Uranus is:

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Your Answer:

51800 Km 51800 Km
6790 Km 6790 Km
12100 Km 12100 Km
450 Km 450 Km

End of magnet from which field lines emerges is called:

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Your Answer:

North Pole North Pole
South Pole South Pole
west pole west pole
east pole east pole

Question: Which of the following is not a very typical scenario for Divide and Conquer?

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Your Answer:

The shortest path in a given graph The shortest path in a given graph
Matrix multiplication Matrix multiplication
Calculating Fibonacci numbers Calculating Fibonacci numbers
Solving the traveling salesman problem. Solving the traveling salesman problem.

The large molecules in the food that we eat are:

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Your Answer:

carbohydrates and fats carbohydrates and fats
fats and proteins fats and proteins
carbohydrates, fats and proteins carbohydrates, fats and proteins
carbohydrates and proteins carbohydrates and proteins

Which of the following is NOT a valid operation on a Binary Search Tree?

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Your Answer:

Sorting elements Sorting elements
Searching for an element Searching for an element
Inserting a new element Inserting a new element
Deleting an existing element Deleting an existing element

Which of the following is not a term pertaining to spreadsheets?

1 Mark(s)

Your Answer:

cell cell
character character
browser browser
formula formula

What are generic methods?

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Your Answer:

Generic methods are the methods defined in a generic class
Generic methods are the methods that extend generic class methods
Generic methods are methods that introduce their own type parameters
Generic methods are methods that take void parameters

A physical connection between the microprocessor memory and other parts of the microcomputer is known as?

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Your Answer:

Path Path
Address bus Address bus
Route Route
None of these None of these

'Moles' feed on:

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Your Answer:

roundworms roundworms
earthworms earthworms
mice mice
birds birds

One way to pass data around is by de parsing the R object with . . . . . . . .

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Your Answer:

dput() dput()
write() write()
read() read()
dget() dget()

The 0-1 Knapsack problem can be solved using Greedy algorithm.

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Your Answer:

True True
False False

In Java, can a subclass have more than one superclass?

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Your Answer:

No, a subclass can only have one superclass
Yes, a subclass can have multiple superclasses
Only if the superclasses have the same name
Only if the subclass is marked as "final"

Read the following given program of C++ and predict the most appropriate output of the program? #include usingnamespacestd; intmain() { intx = 10; int& ref= x; ref= 20; cout<< "x = "<< x <

1 Mark(s)

Your Answer:

x=20 ref=30 x=20 ref=30
x=20 ref=20 x=20 ref=20
x=10 ref= 30 x=10 ref= 30
x= 30 ref=30 x= 30 ref=30

The interface ResultSet has a method, getMetaData(), that returns an object of named:

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Your Answer:

SetResultMetaData SetResultMetaData
ResultSetMetaData ResultSetMetaData
ResultGetMetaData ResultGetMetaData
GetResultMetaData GetResultMetaData

Which optimization technique is used to reduce the multiple jumps?

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Your Answer:

Latter optimization technique Latter optimization technique
Peephole optimization technique Peephole optimization technique
Local optimization technique Local optimization technique
Code optimization technique Code optimization technique

What does BIOS do?

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Your Answer:

to perform start-up procedures when the computer is turned off
to perform start-up procedures when the computer is turned on
to perform booting procedures when necessary
Provide Security to the Computer System Answer

Which of these exceptions is thrown by methods of System class?

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Your Answer:

IOException IOException
SystemException SystemException
SecurityException SecurityException
InputOutputException InputOutputException

The DBMS ranked as being the "easiest to use" in the text is Oracle Corporation's Oracle.

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Your Answer:

True True
False False

Which of the following is not a restriction for a table to be a relation?

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Your Answer:

The cells of the table must contain a single value.
All of the entries in any column must be of the same kind.
The columns must be ordered. The columns must be ordered.
No two rows in a table may be identical.

Computers process data into information by working exclusively with____________?

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Your Answer:

multimedia multimedia
word word
numbers numbers
characters characters

Laplace transform of function f(t)=3t+12 is:

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Your Answer:

3/s+12 3/s+12
3/s2+12 3/s2+12
3/s2+12/s 3/s2+12/s
3+12/s 3+12/s

What does the to_date method do when applied to a Time object in Ruby?

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Your Answer:

Converts a Time object to a Date object Converts a Time object to a Date object
Converts a Time object to a string Converts a Time object to a string
Converts a Time object to a number of seconds since the Unix epoch
Converts a Time object to a number of milliseconds since the Unix epoch

If x=10,a=3, y=++x*a; what will be the value of y:

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Your Answer:

11 11
31 31
Error Error
33 33

The process of transforming a model into source code is known as___________________?

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Your Answer:

Forward engineering Forward engineering
Reverse engineering Reverse engineering
Re-engineering Re-engineering
Reconstructing Reconstructing

How can you secure data transmission between nodes in a Hadoop cluster?

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Your Answer:

Using a public Wi-Fi network for communication
Disabling firewall settings on all nodes
Running Hadoop in an open network mode Running Hadoop in an open network mode
Enabling SSL/TLS encryption for Hadoop services

What will be the output of the following Java program? import java.util.*; class LOCALE_CLASS { public static void main(String args[]) { Locale obj = new Locale("HINDI") ; System.out.print(obj.getDisplayLanguage()); } }

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Your Answer:

India India
INDIA INDIA
HINDI HINDI
Nothing is displayed Nothing is displayed

Which of the following is the attribute that specifies the column name from the data source object that supplies the bound data?

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Your Answer:

dataFormatAs dataFormatAs
datafld datafld
disabled disabled
datasrc datasrc

What is the functionality of the following piece of code? public void function(Object item) { Node temp=new Node(item,trail); if(isEmpty()) { head.setNext(temp); temp.setNext(trail); } else { Node cur=head.getNext(); while(cur.getNext()!=trail) { cur=cur.getNext(); } cur.setNext(temp); } size++; }

1 Mark(s)

Your Answer:

Insert at the front end of the dequeue Insert at the front end of the dequeue
Insert at the rear end of the dequeue Insert at the rear end of the dequeue
Fetch the element at the rear end of the dequeue
Fetch the element at the front end of the dequeue

A pivot clause in SQL is supported by SQL implementations, such as:

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Your Answer:

Microsoft SQL Server Microsoft SQL Server
Oracle Oracle
DB2 DB2
Both A and B Both A and B

Analyze the following code: public abstract class Test implements Runnable{ public void doSomething() { }; }

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Your Answer:

The program will not compile because it does not implement the run() method.
The program will not compile because it does not contain abstract methods.
The program compiles fine. The program compiles fine.
None of the above None of the above

Select the objects of the class TextWriter which is/are not used to perform the write operations to the console?

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Your Answer:

Write() Write()
WriteLine() WriteLine()
WriteError() WriteError()
All of the mentioned All of the mentioned

SOAP uses HTTP as its only transport mechanism.

1 Mark(s)

Your Answer:

True True
False False

Modulus operator, %, can be applied to which of these?

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Your Answer:

Integers Integers
Floating - point numbers Floating - point numbers
Both Integers and floating - point numbers
None of the mentioned None of the mentioned

Pick one that is used for the logical operations or Comparisons, Such as less then, equal or greater than:?

1 Mark(s)

Your Answer:

Arithmetic & Logic Unit Arithmetic & Logic Unit
Control Unit Control Unit
Both A & B Both A & B
None of these Answer None of these Answer

In a BST, how do you identify the maximum value node?

1 Mark(s)

Your Answer:

By traversing to the rightmost node from the root.
By traversing to the leftmost node from the root.
By finding the root node. By finding the root node.
By searching the entire tree. By searching the entire tree.

Which of the following formulas is used by Pay-per-click?

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Your Answer:

Ads clicked (#) / Advertising cost ($) Ads clicked (#) / Advertising cost ($)
Advertising cost ($) + Ads clicked (#) Advertising cost ($) + Ads clicked (#)
Advertising cost ($) / Ads clicked (#) Advertising cost ($) / Ads clicked (#)
Ads clicked (#) * Advertising cost ($) Ads clicked (#) * Advertising cost ($)

Evaluating Your Answers

C Programming Mock Test 17 : Question 1 of 37