Computer Networks Mock Test 11

The chemical formula for water is:

1 Mark(s)

Your Answer:

NaCl NaCl
Cl Cl
O2 O2
H2O H2O

What will be the output of the following C code, if the system date is 6/24/2017? #include<stdio.h> #include<stdlib.h> #include<time.h> int main() { time_t ct; time(&ct); printf("%s\n",(&ct)); }

1 Mark(s)

Your Answer:

Error Error
Junk value Junk value
6 6
June June

The Email & Apps team of . . . . . . . . uses ZooKeeper to coordinate sharding and responsibility changes in a distributed email client.

1 Mark(s)

Your Answer:

Katta Katta
Helprace Helprace
Rackspace Rackspace
None of the mentioned None of the mentioned

The bytes in the original datagram of Internet Protocol Version (IPv4) are numbered from:

1 Mark(s)

Your Answer:

0 to 2999 0 to 2999
0 to 3999 0 to 3999
0 to 4999 0 to 4999
0 to 5999 0 to 5999

What is the default session out time__________________?

1 Mark(s)

Your Answer:

10 sec 10 sec
20 sec 20 sec
20 min 20 min
40 min 40 min

My Web Page displays?

1 Mark(s)

Your Answer:

Centered align paragraph Centered align paragraph
Centered align Heading Centered align Heading
Left aligned paragraph Left aligned paragraph
Left aligned Heading Left aligned Heading

Which of the model involves the special types of services that users can access on a Cloud Computing platform?

1 Mark(s)

Your Answer:

Service Service
Planning Planning
Deployment Deployment
Application Application

Control in design of an information system is used to________________?

1 Mark(s)

Your Answer:

ensure that the system processes data as it was designed to and that the results are reliable
protect data from accidental or intentional loss
inspect the system and check that it is built as per specifications
ensure privacy of data processed by it ensure privacy of data processed by it

The smallest integer type is ......... and its size is ......... bits.

1 Mark(s)

Your Answer:

short, 8 short, 8
byte, 8 byte, 8
short, 16 short, 16
byte, 16 byte, 16

Workstations and servers for connection between the devices requires:

1 Mark(s)

Your Answer:

Hub Hub
network network
memory memory
Registers Registers

Which of the codes shown below results in a match?

1 Mark(s)

Your Answer:

re.match('George(?=Washington)', 'George Washington')
re.match('George(?=Washington)', 'George')
re.match('George(?=Washington)', 'GeorgeWashington')
re.match('George(?=Washington)', 'Georgewashington')

Which of the following media query describe the ratio of the width to the height of the media?

1 Mark(s)

Your Answer:

ratio ratio
aspect-ratio aspect-ratio
deviceaspect-ratio deviceaspect-ratio
resolution resolution

Which statement is valid for the following C# code snippet? public class Generic<T> { public T Field; } class Program { static void Main(string[] args) { Generic<String> g = new Generic<String>(); g.Field = "Hi"; Console.WriteLine(g.Field); } }

1 Mark(s)

Your Answer:

Compile time error Compile time error
Generic being a keyword cannot be used as a class name
Runtime error Runtime error
Code runs successfully Code runs successfully

What involves preparing software for external release and keeping track of the system versions that have been released for customer use ?

1 Mark(s)

Your Answer:

System building System building
Release management Release management
Change management Change management
Version management Version management

What will be the output for the below code? class A{ public void printValue(){ System.out.println("A"); } } class B extends A{ public void printValue(){ System.out.println("B"); } } public class Test{ public static void main(String... args){ A b = new B(); newValue(b); } public static void newValue(A a){ if(a instanceof B){ ((B)a).printValue(); } } }

1 Mark(s)

Your Answer:

A A
B B
Compilation fails with an error at line 4
Compilation fails with an error at line 8
None of these None of these

The fall in the rate of photosynthesis takes place when the temperature rises above:

1 Mark(s)

Your Answer:

40 °C 40 °C
30 °C 30 °C
20 °C 20 °C
25 °C 25 °C

Which language is used to create macros in Excel?

1 Mark(s)

Your Answer:

Visual Basic Visual Basic
C C
Visual C++ Visual C++
Java Java

What does one thousand bytes represent?

1 Mark(s)

Your Answer:

Kilobyte (KB) Kilobyte (KB)
Megabyte (MB) Megabyte (MB)
Gigabyte (GB) Gigabyte (GB)
Terabyte (TB) Terabyte (TB)

Groom servers starts up with a . . . . . . . . instance and an RPC proxy to contact the bsp master.

1 Mark(s)

Your Answer:

RPC RPC
BSPPeer BSPPeer
LPC LPC
None of the mentioned None of the mentioned

A shared network within an organisation to provide connectivity to its staff is:

1 Mark(s)

Your Answer:

Extranet Extranet
Telnet Telnet
Internet Internet
Intranet Intranet

Which of the following is the expansion of EBCDIC ____________________?

1 Mark(s)

Your Answer:

Extended binary coded decimal information code
Extended binary coded decimal interchange code
Extended bootable computerised digital infrared calculator
Extended bit comparable to digital interface for computer

Speed 'v' on a string with tension 'T' and linear density 'L' is:

1 Mark(s)

Your Answer:

v=TL v=TL
v=T/L v=T/L
v=L/T v=L/T
V=(T/L)1/2 V=(T/L)1/2

Computer in a home can be used for:

1 Mark(s)

Your Answer:

keeping records keeping records
making budgets making budgets
watching movies watching movies
all of these all of these

With XSLT, you specify a procedure for materializing document elements.

1 Mark(s)

Your Answer:

True True
False False

What does the subexpression /java(script)?/ result in ?

1 Mark(s)

Your Answer:

It matches “java” followed by the optional “script”
It matches “java” followed by any number of “script”
It matches “java” followed by a minimum of one “script”
None of the mentioned None of the mentioned

What does the "using" keyword do in the context of IDisposable objects in C#?

1 Mark(s)

Your Answer:

Imports namespaces Imports namespaces
Declares variables Declares variables
Handles exceptions Handles exceptions
Automatically disposes resources Automatically disposes resources

Study the following program: x = ['xy', 'yz'] for i in a: i.upper() print(a) Which of the following is correct output of this program? ``` x = ['xy', 'yz'] for i in a: i.upper() print(a) ```

1 Mark(s)

Your Answer:

['xy', 'yz'] ['xy', 'yz']
['XY', 'YZ'] ['XY', 'YZ']
[None, None] [None, None]
None of these None of these

What is the output of the following code: cout << (10 != 10); in C++?

1 Mark(s)

Your Answer:

TRUE TRUE
FALSE FALSE
1 1
0 0

De Morgan's First Law states $\overline{A \cdot B} = ?$

1 Mark(s)

Your Answer:

$\bar{A} + \bar{B}$ $\bar{A} + \bar{B}$
$\bar{A} \cdot \bar{B}$ $\bar{A} \cdot \bar{B}$
$A + B$ $A + B$
$A \cdot B$ $A \cdot B$

What is the role of the Oozie Coordinator EL functions in a coordinator workflow?

1 Mark(s)

Your Answer:

A distributed file system A distributed file system
A query language for Hadoop A query language for Hadoop
Provide functions for evaluating expressions and conditions
A storage format in Hadoop A storage format in Hadoop

The function computes the hyperbolic cosine of x.

1 Mark(s)

Your Answer:

cos(x) cos(x)
cosine(x) cosine(x)
cosh(x) cosh(x)
cosineh(x) cosineh(x)

A distributed database has which of the following advantages over a centralized database?

1 Mark(s)

Your Answer:

Software cost Software cost
Software complexity Software complexity
Slow Response Slow Response
Modular growth Modular growth

What will happen if the data being loaded into a text column exceeds the maximum size of that type?

1 Mark(s)

Your Answer:

Extra memory will be allocated Extra memory will be allocated
Process terminate Process terminate
Data will be truncated Data will be truncated
Depend on the system Depend on the system

Which method of the Class.class is used to determine the name of a class represented by the class object as a String?

1 Mark(s)

Your Answer:

getClass() getClass()
intern() intern()
getName() getName()
toString() toString()

When we have to stop the testing?

1 Mark(s)

Your Answer:

The faults have been fixed The faults have been fixed
All the tests run All the tests run
The time completed The time completed
The risk is resolved The risk is resolved

What will be the output of the following Java program? (Note: file is made in c drive.) import java.io.*; class files { public static void main(String args[]) { File obj = new File("/java/system"); System.out.print(obj.getAbsolutePath()); } }

1 Mark(s)

Your Answer:

java java
system system
java/system java/system
\java\system \java\system

What will be the output of the following C code? const char str1[] = "abcdef"; const char str2[] = "fgha"; char *mat; mat= strpbrk(str1, str2); if(mat) printf("First matching character: %c\n", *mat); else printf("Character not found");

1 Mark(s)

Your Answer:

g g
a a
h h
f f

Melting point of Aluminium is:

1 Mark(s)

Your Answer:

660°C 660°C
1321°C 1321°C
838°C 838°C
1200°C 1200°C

Write a list comprehension equivalent for the Python code shown below. for i in range(1, 101): if int(i*0.5)==i*0.5: print(i)

1 Mark(s)

Your Answer:

[i for i in range(1, 100) if int(i*0.5)==(i*0.5)]
[i for i in range(1, 101) if int(i*0.5)==(i*0.5)]
[i for i in range(1, 101) if int(i*0.5)=(i*0.5)]
[i for i in range(1, 100) if int(i*0.5)=(i*0.5)]

Laplace transform is basically an:

1 Mark(s)

Your Answer:

differential transform differential transform
algebraic transform algebraic transform
integral transform integral transform
rational transform rational transform

When a class B can extend another class A, we say that

1 Mark(s)

Your Answer:

A is the superclass and B is the subclass
B is the superclass and A is the subclass
Both A and B are the superclass Both A and B are the superclass
Both A and B are the subclass Both A and B are the subclass

Macros can recover from _______ in a controlled manner.

1 Mark(s)

Your Answer:

events events
modules modules
arguments arguments
errors errors

_____ is a process of coding data and information into an unreadable form?

1 Mark(s)

Your Answer:

Formatting Formatting
Transmission Transmission
Spooling Spooling
Encryption Answer Encryption Answer

None of the widely used database systems supports subqueries in the:

1 Mark(s)

Your Answer:

Valid clause Valid clause
Check clause Check clause
Like clause Like clause
Having clause Having clause

Composition represents which relationship?

1 Mark(s)

Your Answer:

IS-A IS-A
HAS-A HAS-A
USES-A USES-A
KIN-OF KIN-OF

Functional requirements capture the intended behavior of the system?

1 Mark(s)

Your Answer:

True True
False False

The key F12 opens a

1 Mark(s)

Your Answer:

Save As dialog box Save As dialog box
Open dialog box Open dialog box
Save dialog box Save dialog box
Close dialog box Close dialog box

When a process is created but has not admitted is called:

1 Mark(s)

Your Answer:

Updated Process Updated Process
New Process New Process
Complete Process Complete Process
Control Process Control Process

Which requested resources are granted with deadlock detection?

1 Mark(s)

Your Answer:

Resources Resources
Processes Processes
Programs Programs
Users Users

Find out which is not a Default Ledger in Tally

1 Mark(s)

Your Answer:

Cash in Hand Cash in Hand
Capital Account Capital Account
Profit & Loss Profit & Loss
None of these None of these

Which of the following method is used to toggle between the fadeIn() method and fadeOut() method?

1 Mark(s)

Your Answer:

toggle() method toggle() method
fadeToggle() method fadeToggle() method
slideToggle() method slideToggle() method
animate() method animate() method

This term is used for moving closer or farther way a paragraph to margin?

1 Mark(s)

Your Answer:

Spacing Spacing
Indent Indent
Shading Shading
None of these None of these

. . . . . . . . tells the compiler that this data is de?ned somewhere and will be connected with the linker.

1 Mark(s)

Your Answer:

errno errno
extern extern
variable variable
yvals yvals

What is the result of the following expression in C++: 7 % 3?

1 Mark(s)

Your Answer:

Compiler error Compiler error
3 3
2 2
1 1

Which of the following methodology results in SA/SD features?

1 Mark(s)

Your Answer:

Gane and Sarson methodology Gane and Sarson methodology
DeMarco and Yourdon methodology DeMarco and Yourdon methodology
Constantine and Yourdon methodology Constantine and Yourdon methodology
All of the above All of the above

Read the given C++ program carefully and choose the correct output from the given options: Program #include #include using namespace std; int main() { cout<::value; // Case A cout<::value; // Case B cout<::value; //Case C return 0; } ``` #include #include using namespace std; int main() { cout<::value; // Case A cout<::value; // Case B cout<::value; //Case C return 0; } ```

1 Mark(s)

Your Answer:

121 121
321 321
123 123
010 010

In the context of Hadoop, what does the term "shuffle" refer to?

1 Mark(s)

Your Answer:

A data compression technique A data compression technique
The process of distributing data to reducers
A phase in MapReduce processing A phase in MapReduce processing
An optimization in HBase storage An optimization in HBase storage

Suppose you want the headings in your document to appear in bold and in a particular color and font size. Although you can manually set each formatting option individually for each header, it is much easier to use a _____ that applies all of these options at once.

1 Mark(s)

Your Answer:

Format painter Format painter
Paste special Paste special
Style Style
None of these None of these

Which algorithm in C++ STL is used to find the median of a range of elements?

1 Mark(s)

Your Answer:

median median
find_median find_median
partial_sort partial_sort
nth_element nth_element

What will be the output of the following PHP code? <?php $cars = array("Volvo", "BMW", "Toyota"); echo "I like " . $cars[2] . ", " . $cars[1] . " and " . $cars[0] . "."; ?>

1 Mark(s)

Your Answer:

I like Volvo, Toyota and BMW I like Volvo, Toyota and BMW
I like Volvo, BMW and Toyota I like Volvo, BMW and Toyota
I like BMW, Volvo and Toyota I like BMW, Volvo and Toyota
I like Toyota, BMW and Volvo I like Toyota, BMW and Volvo

What is the output of the code? int arr[] = {1,2,3}; cout << sizeof(arr);

1 Mark(s)

Your Answer:

Size of array in bytes Size of array in bytes
3 3
0 0
Compilation error Compilation error

What will be the output of the following PHP code ? <?php function fun($x,$y) { $x = 4; $y = 3; $z = $x + $y / $y + $x; echo "$z"; } fun(3, 4); ?>

1 Mark(s)

Your Answer:

7 7
9 9
0 0
Error Error

What will be the output of the following Python code? d = {0: 'a', 1: 'b', 2: 'c'} for x in d.values(): print(x)

1 Mark(s)

Your Answer:

0 1 2 0 1 2
a b c a b c
0 a 1 b 2 c 0 a 1 b 2 c
none of the mentioned none of the mentioned

What is the purpose of the Pig Latin FILTER statement?

1 Mark(s)

Your Answer:

Manage computation resources Manage computation resources
Perform data analytics in Hadoop Perform data analytics in Hadoop
Load data into a relation Load data into a relation
Filter records based on a condition Filter records based on a condition

What is the result of the expression 10 == 10 in C#?

1 Mark(s)

Your Answer:

FALSE FALSE
10 == 10 10 == 10
10 != 10 10 != 10
TRUE TRUE

A force that makes it harder for two objects to slide alongside one another is:

1 Mark(s)

Your Answer:

gravitational force gravitational force
tension tension
friction friction
normal force normal force

The Core-Based Tree (CBT) is a:

1 Mark(s)

Your Answer:

Group Routing Tree Group Routing Tree
Group Shared Tree Group Shared Tree
Group Formed Tree Group Formed Tree
Group Protocol Tree Group Protocol Tree

What is the minimum number of bits in a PN sequence if we use Frequency Hopping Spread Spectrum (FHSS) with a channel bandwidth of B =4 KHz and Bss =100 kHz?

1 Mark(s)

Your Answer:

0 bits 0 bits
5 bits 5 bits
10 bits 10 bits
15 bits 15 bits

What is the purpose of the drop_while method in Ruby enumerators?

1 Mark(s)

Your Answer:

Applies a block of code to each element and returns a new collection
Sorts elements in a collection Sorts elements in a collection
Skips elements in a collection until a given condition is met
Removes elements from a collection until a given condition is met

What will be the output of the following Python code? print('xyxxyyzxxy'.lstrip('xyy'))

1 Mark(s)

Your Answer:

zxxy zxxy
xyxxyyzxxy xyxxyyzxxy
xyxzxxy xyxzxxy
none of the mentioned none of the mentioned

What will be the output of the following PHP code? <?php function calc($price, $tax="") { $total = $price + ($price * $tax); echo "$total"; } calc(42); ?>

1 Mark(s)

Your Answer:

Error Error
0 0
42 42
84 84

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Computer Networks Mock Test 11 : Question 1 of 71