Computer Networks Mock Test 6

What are the use of front and rear pointers in CircularQueue implementation?

1 Mark(s)

Your Answer:

Front pointer points to first element; rear pointer points to the last element
Rear pointer points to first element; front pointer points to the last element
Front and read pointers point to the first element
Front pointer points to the first element; rear pointer points to null object

Syntax for declaration and initialization of data variable is?

1 Mark(s)

Your Answer:

<data type><var_name> = <Value>; <data type><var_name> = <Value>;
<data type><var_name>; <data type><var_name>;
<var_name><data type>; <var_name><data type>;
<var_name> = <value>; <var_name> = <value>;

Change in object momentum is equals to:

1 Mark(s)

Your Answer:

angular acceleration angular acceleration
impulse on object impulse on object
work done on object work done on object
gravity of object gravity of object

What does PDO stand for?

1 Mark(s)

Your Answer:

PHP Data Orientation PHP Data Orientation
PHP Database Object PHP Database Object
PHP Database Orientation PHP Database Orientation
PHP Data Object PHP Data Object

What will be the output of the following code: import re pattern = re.compile(r'd+') result = pattern.search('There are 5 apples and 3 oranges.') print(result.group())

1 Mark(s)

Your Answer:

5 5
An error will occur An error will occur
3 3
['5', '3'] ['5', '3']

Molar mass of Gallium is:

1 Mark(s)

Your Answer:

69.7 g/mol 69.7 g/mol
12.7 g/mol 12.7 g/mol
22.7 g/mol 22.7 g/mol
45 g/mol 45 g/mol

What is method hiding in Java?

1 Mark(s)

Your Answer:

Defining a new method with the same name in a subclass
Making a method private in a subclass Making a method private in a subclass
Redefining a method with a different return type
Defining a method with the same name in the superclass

How can you split a column into 2 or more columns?

1 Mark(s)

Your Answer:

Select the cell that you want to split. Then, navigate to the Home Tab, after that, select Text to Column.
Select the cell that you want to split. Then, navigate to the Insert Tab, after that, select Text to Column.
Select the cell that you want to split. Then, navigate to the Design Tab, after that, select Text to Column.
Select the cell that you want to split. Then, navigate to the Data Tab, after that, select Text to Column.

Layout of handout defines _____?

1 Mark(s)

Your Answer:

Handout slave Handout slave
Handout master Handout master
Handout slave Handout slave
None of these None of these

Recording of actual stock as physically verified or counted is done through

1 Mark(s)

Your Answer:

Journal Journal
Stock Journal Stock Journal
Physical Stock Physical Stock
Sales Sales

Variables shared among all instances of a class are:

1 Mark(s)

Your Answer:

Instance Instance
Local Local
Static Static
Private Private

Which C++ standard library provides functionalities for containers like vector, list, and map?

1 Mark(s)

Your Answer:

<utility> <utility>
<iostream> <iostream>
<vector> <vector>
<algorithm> <algorithm>

Which function is used to check whether a character is a number?

1 Mark(s)

Your Answer:

isalpha() isalpha()
isalnum() isalnum()
isdigit() isdigit()
isblank() isblank()

What is the purpose of the pairs() function in R?

1 Mark(s)

Your Answer:

Creates scatter plots for all pairs of numeric variables
Generates pairwise scatter plots and correlations
Plots a matrix of bivariate scatter plots
Adds pairs of points to an existing plot

What term will be used when you hold the left key of the mouse on an object and move it on the slide?

1 Mark(s)

Your Answer:

Dragging Dragging
Moving Moving
Highlighting Highlighting
None of the above None of the above

SQL data definition commands make up a(n) ________ .

1 Mark(s)

Your Answer:

DDL DDL
DML DML
HTML HTML
XML XML

Do not use appliances, if:

1 Mark(s)

Your Answer:

damaged damaged
wires exposed wires exposed
working properly working properly
both a and b both a and b

Y',y'',y''' ... notation is termed as:

1 Mark(s)

Your Answer:

Leibniz notation Leibniz notation
Prime notation Prime notation
Even notation Even notation
Medium notation Medium notation

Which of the following will take care of breaks behind an element?

1 Mark(s)

Your Answer:

page-break-before page-break-before
page-break-inside page-break-inside
page-break-after page-break-after
page-break-into page-break-into

What is a closure compiler UI?

1 Mark(s)

Your Answer:

Run time application Run time application
Web application Web application
Standalone application Standalone application
All of the mentioned All of the mentioned

A repair for a known software bug, usually available at no charge on the internet, is called a:?

1 Mark(s)

Your Answer:

Patch Patch
FAQ FAQ
Version Version
Rectifier Answer Rectifier Answer

There are how many types of tag for HTML headings:

1 Mark(s)

Your Answer:

3 3
4 4
5 5
6 6

Which of the following is true for pointers?

1 Mark(s)

Your Answer:

Pointers store value Pointers store value
Pointers store address Pointers store address
Pointers store type Pointers store type
Pointers store size Pointers store size

In accessing a database from a Java program is to, opening a connection is said to be the:

1 Mark(s)

Your Answer:

Zeroth step Zeroth step
First step First step
Second step Second step
Last step Last step

An extent is a contiguous section of disk storage space.

1 Mark(s)

Your Answer:

True True
False False

Excel is a program that is used to prepare a ______?

1 Mark(s)

Your Answer:

Spreadsheet Spreadsheet
Database Database
Workbook Workbook
None of these None of these

You can move a window to a different position on your screen by dragging it by its

1 Mark(s)

Your Answer:

Move handle Move handle
Tail Tail
Status bar Status bar
Title bar Title bar

How do you create a custom decorator in Python?

1 Mark(s)

Your Answer:

By modifying the built-in decorators By modifying the built-in decorators
By using the @custom_decorator syntax By using the @custom_decorator syntax
By importing decorators from external libraries
By defining a function and using the @ symbol

Time values can be specified as:

1 Mark(s)

Your Answer:

time "09:30:00" time "09:30:00"
time "09:30:00" time "09:30:00"
time "09.30.00" time "09.30.00"
time "09|30|00" time "09|30|00"

. . . . . . . . has the world's largest Hadoop cluster.

1 Mark(s)

Your Answer:

Apple Apple
Datamatics Datamatics
Facebook Facebook
None of the mentioned None of the mentioned

Which is the subset that transforms web content into secure modules that can be safely hosted on a web page?

1 Mark(s)

Your Answer:

Microsoft Web Sandbox Microsoft Web Sandbox
ADsafe ADsafe
Caja Caja
dojox.secure dojox.secure

What is the term for development process organised such that faults in the system are detected and repaired before delivery to the customer ?

1 Mark(s)

Your Answer:

Fault Avoidance Fault Avoidance
Fault detection Fault detection
Fault tolerance Fault tolerance
None of the mentioned None of the mentioned

Hard disk drives are considered _________ storage.

1 Mark(s)

Your Answer:

flash flash
nonvolatile nonvolatile
nonpermanent nonpermanent
temporary temporary

Evaluating Your Answers

Computer Networks Mock Test 6 : Question 1 of 33