SQL and Databases Mock Test 12

Phase angle of inductor is:

1 Mark(s)

Your Answer:

−π/2 rad −π/2 rad
π/2 rad π/2 rad
0rad 0rad
2π rad 2π rad

Which of the following is a type of software that is used to create and edit text documents?

1 Mark(s)

Your Answer:

Spreadsheet software Spreadsheet software
Word processing software Word processing software
Database software Database software
None of these None of these

How are java web applications packaged?

1 Mark(s)

Your Answer:

jar jar
war war
zip zip
both jar and war both jar and war

If the value of sub field type is 1100 in control frames, then it contains the information of:

1 Mark(s)

Your Answer:

request to send request to send
clear to send clear to send
acknowledgement acknowledgement
sender sender

The collection of links throughout the Internet creates an interconnected network called:?

1 Mark(s)

Your Answer:

Router Router
Hardware Hardware
World Wide Web World Wide Web
Plotter Answer Plotter Answer

In SQL, the count of an empty collection is defined to be:

1 Mark(s)

Your Answer:

1 1
0 0
Infinite Infinite
Unknown Unknown

To read the remaining lines of the file from a file object infile, we use . . . . . . . .

1 Mark(s)

Your Answer:

infile.read(2) infile.read(2)
infile.read() infile.read()
infile.readline() infile.readline()
infile.readlines() infile.readlines()

In Address Resolution Protocol (ARP), each Local Area Network (LAN) has been assigned a:

1 Mark(s)

Your Answer:

trigger trigger
integer integer
repeater repeater
process header process header

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

1 Mark(s)

Your Answer:

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

Secondary memory of the computer system is also called:

1 Mark(s)

Your Answer:

non volatile non volatile
volatile volatile
reserved reserved
small small

A distributed unit of work allows various statements within a unit of work to refer to multiple remote DBMS locations.

1 Mark(s)

Your Answer:

True True
False False

The updated MySQL extension released with PHP 5 is typically referred to as.

1 Mark(s)

Your Answer:

MySQL MySQL
mysql mysql
mysqli mysqli
mysqly mysqly

The central processing unit of the computer system is never idle as long as it executes:

1 Mark(s)

Your Answer:

1 job 1 job
2 jobs 2 jobs
3 jobs 3 jobs
4 jobs 4 jobs

What is the purpose of the 'friend' keyword in a C++ function declaration?

1 Mark(s)

Your Answer:

It specifies that the function should be inlined
It allows the function to call itself recursively
It grants access to private and protected members of a class to the function
It declares the function as a friend function

To point a file or folder a Graphical User Interface uses:

1 Mark(s)

Your Answer:

pointer pointer
common line interface common line interface
file based interface file based interface
voice based interface voice based interface

What is the primary role of the Oozie Coordinator Action?

1 Mark(s)

Your Answer:

Sort records based on a column Sort records based on a column
Group records based on a condition Group records based on a condition
Represent an individual action within a coordinator workflow
Join records from multiple tables Join records from multiple tables

Which of the following is a technique used to detect conflicts between concurrent transactions?

1 Mark(s)

Your Answer:

Checkpointing Checkpointing
Deadlock detection Deadlock detection
Two-Phase Commit Two-Phase Commit
Write-Ahead Logging Write-Ahead Logging

Which of this method of class StringBuffer is used to get the length of the sequence of characters?

1 Mark(s)

Your Answer:

length() length()
capacity() capacity()
Length() Length()
Capacity() Capacity()

From the following _________ view is not one of PowerPoint view

1 Mark(s)

Your Answer:

Slide Slide
presentation presentation
outline outline
none none

What does the method Performance.now() return?

1 Mark(s)

Your Answer:

DOMTimeStamp DOMTimeStamp
DOMHighResTimeStamp DOMHighResTimeStamp
DOMStamp DOMStamp
TimeStamp TimeStamp

Many banks provide the facility of:

1 Mark(s)

Your Answer:

CAD CAD
CAM CAM
ATM ATM
CBT CBT

In which one of the following codes with specific characteristics can be applied to the transmission?

1 Mark(s)

Your Answer:

CDMA CDMA
GPRS GPRS
GSM GSM
All of the above All of the above

Which of the following selector is used to selects the element that is the root of the document?

1 Mark(s)

Your Answer:

:only-of-type :only-of-type
:target :target
:root :root
::selection ::selection

What data structure is ideal for performing fast lookups, insertions, and deletions with a balanced trade-off between these operations?

1 Mark(s)

Your Answer:

Linked List Linked List
Hash Table Hash Table
Binary Search Tree Binary Search Tree
Linked List Linked List

Which method converts a JavaScript value to a JSON string?

1 Mark(s)

Your Answer:

JSON.parse() JSON.parse()
JSON.stringify() JSON.stringify()
JSON.toObject() JSON.toObject()
JSON.encode() JSON.encode()

What does the function math.frexp(x) return?

1 Mark(s)

Your Answer:

a tuple containing the mantissa and the exponent of x
a list containing the mantissa and the exponent of x
a tuple containing the mantissa of x a tuple containing the mantissa of x
a list containing the exponent of x a list containing the exponent of x

What will be the output of the following Python code? def foo(x): x = ['def', 'abc'] return id(x) q = ['abc', 'def'] print(id(q) == foo(q))

1 Mark(s)

Your Answer:

True True
False False
None None
Error Error

What is the result of 7 ^ 7 ?

1 Mark(s)

Your Answer:

0 0
14 14
7 7
1 1

The word “document” mainly refers to

1 Mark(s)

Your Answer:

Dynamic Information Dynamic Information
Static Information Static Information
Both Dynamic and Static Information Both Dynamic and Static Information
None of the mentioned None of the mentioned

The floating devices which are connected to chain for generation of electricity are called:

1 Mark(s)

Your Answer:

salter gooses salter gooses
salter ducks salter ducks
salter mines salter mines
salter seagulls salter seagulls

What is the significance of the JavaScript logging library log4javascript?

1 Mark(s)

Your Answer:

Fully featured Fully featured
Easy to use Easy to use
Fully featured and Easy to use Fully featured and Easy to use
None of the mentioned None of the mentioned

Choose the correct statement about the WriteLine()?

1 Mark(s)

Your Answer:

Can display one or more value to the screen
Adds a newline character at the end of the each new output
Allows to output data in as many different formats
All of the mentioned All of the mentioned

A proxy firewall filters at the:

1 Mark(s)

Your Answer:

physical layer physical layer
application layer application layer
data link layer data link layer
network layer network layer

. . . . . . . . uniforms and customizes plots of packages ggplot2, graphics and lattice.

1 Mark(s)

Your Answer:

uniCox uniCox
uniPlot uniPlot
unknownR unknownR
unigraph unigraph

What will be the output of the following Java program? class output { public static void main(String args[]) { String s1 = "Hello"; String s2 = s1.replace('l','w'); System.out.println(s2); } }

1 Mark(s)

Your Answer:

hello hello
helwo helwo
hewlo hewlo
hewwo hewwo

Which of the following property sets the apparent position (in stereo sound) of the synthesized voice for spoken media?

1 Mark(s)

Your Answer:

voice-balance voice-balance
media-balance media-balance
balance balance
none of the mentioned none of the mentioned

What happens if the values of scaling factors sx and sy less than 1 (i.e., sx<1 and sy<1)?

1 Mark(s)

Your Answer:

No change in the object's size No change in the object's size
Reduce the object's size Reduce the object's size
Increase the object's size Increase the object's size
None of the above None of the above

In Java, can an abstract class have default methods with implementations?

1 Mark(s)

Your Answer:

No, abstract classes cannot have default methods
Only if the methods are marked as "private"
Only if the methods are marked as "final"
Yes, starting from Java 8, abstract classes can have default methods with implementations

A program either talk or music, that is made available in digital format for automatic download over the internet is called:?

1 Mark(s)

Your Answer:

Wiki Wiki
Blog Blog
Broadcast Broadcast
Podcast Answer Podcast Answer

What will be the output of the following Python code? a = [5,5,6,7,7,7] b = set(a) def test(lst): if lst in b: return 1 else: return 0 for i in filter(test, a): print(i,end=" ")

1 Mark(s)

Your Answer:

5 5 6 5 5 6
5 6 7 5 6 7
5 5 6 7 7 7 5 5 6 7 7 7
5 6 7 7 7 5 6 7 7 7

How can you fetch data from a result set obtained through an execute() command?

1 Mark(s)

Your Answer:

Using the get() method Using the get() method
By calling fetch() By calling fetch()
By iterating through the result set By iterating through the result set
By using the fetch_data() function By using the fetch_data() function

Web search engines stores information about many web pages with the help of:

1 Mark(s)

Your Answer:

web indexer web indexer
web crawler web crawler
web organizer web organizer
web router web router

What is the data type of the variable in C#?

1 Mark(s)

Your Answer:

int int
string string
double double
char char

What will be the output of the following C++ code? #include <iostream> using namespace std; class Base { public: Base ( ) { cout << "1" << endl; } ~Base ( ) { cout << "2" << endl; } }; class Derived : public Base { public: Derived ( ) { cout << "3" << endl; } ~Derived ( ) { cout << "4" << endl; } }; int main( ) { Derived x; }

1 Mark(s)

Your Answer:

1234 1234
4321 4321
1423 1423
1342 1342

The adaption of traditional medicine in industrialized countries is termed as CAM, which stands for:

1 Mark(s)

Your Answer:

Cooperative and Alternative Medicine Cooperative and Alternative Medicine
Complementary and Associative Medicine Complementary and Associative Medicine
Cooperative and Associative Medicine Cooperative and Associative Medicine
Complementary and Alternative Medicine Complementary and Alternative Medicine

In what ways can you beat your customer's expectations?

1 Mark(s)

Your Answer:

By making your product more appealing By making your product more appealing
By providing unique services to your customer
By providing great deals in terms of discounts to your customer
By getting appropriate and relevant reviews from your customers on your website

In R, which package provides functions for working with large spatial datasets and spatial statistics?

1 Mark(s)

Your Answer:

sf sf
spatialstats spatialstats
geospatialR geospatialR
spatialR spatialR

The size of the receiver window of the Go-Back-N Protocol is always:

1 Mark(s)

Your Answer:

0 0
1 1
2 2
3 3

A switch in a datagram network uses a:

1 Mark(s)

Your Answer:

destination address destination address
sender address sender address
routing table routing table
header header

What does the is operator test for?

1 Mark(s)

Your Answer:

Equality of values Equality of values
Identity of objects Identity of objects
Comparison of strings Comparison of strings
Inclusion in a list Inclusion in a list

Which JSP directive is used to import Java classes into a JSP page?

1 Mark(s)

Your Answer:

`` ``
`` ``
`` ``
`` ``

One that is not a system call category of the program is:

1 Mark(s)

Your Answer:

process control process control
file generation file generation
protection protection
communication communication

What will be the output of the following Java code? class exception_handling { public static void main(String args[]) { try { int a = args.length; int b = 10 / a; System.out.print(a); try { if (a == 1) a = a / a - a; if (a == 2) { int []c = {1}; c[8] = 9; } } catch (ArrayIndexOutOfBoundException e) { System.out.println("TypeA"); } catch (ArithmeticException e) { System.out.println("TypeB"); } } } }

1 Mark(s)

Your Answer:

TypeA TypeA
TypeB TypeB
Compile Time Error Compile Time Error
0TypeB 0TypeB

What will be the output of the following Java program? class Output { public static void main(String args[]) { int a = 1; int b = 2; int c; int d; c = ++b; d = a++; c++; b++; ++a; System.out.println(a + " " + b + " " + c); } }

1 Mark(s)

Your Answer:

3 2 4 3 2 4
3 2 3 3 2 3
2 3 4 2 3 4
3 4 4 3 4 4

What is the name of the class that accepts an image's separation of luminesce and reflectance component?

1 Mark(s)

Your Answer:

Homomorphic system Homomorphic system
Base class system Base class system
Base separation system Base separation system
All of the above All of the above

What will be the output of the following C++ code? #include <stdio.h> int main() { char a = '\012'; printf("%d", a); return 0; }

1 Mark(s)

Your Answer:

Compiler error Compiler error
12 12
10 10
Empty Empty

Which of following is word processing software?

1 Mark(s)

Your Answer:

MS Excel MS Excel
MS Word MS Word
Browse Browse
None of these None of these

You are working on a router that has established privilege levels that restrict access to certain functions. You discover that you are not able to execute the command show running-configuration. How can you view and confirm the access lists that have been applied to the Ethernet 0 interface on your router?

1 Mark(s)

Your Answer:

show access-lists show access-lists
show interface Ethernet 0 show interface Ethernet 0
show ip access-lists show ip access-lists
show ip interface Ethernet 0 show ip interface Ethernet 0

What does the following C# code specify? object Invoke(object obj, object[] parameters)

1 Mark(s)

Your Answer:

Calling a type using invoke() Calling a type using invoke()
Any arguments that need to be passed to the method are specified in the array parameters
The value returned by the invoked method is returned by Invoke()
All of the mentioned All of the mentioned

If θ is angular displacement, Ωo is angular velocity at time t=0 and α is angular acceleration, then by appropriate kinematic equation, θ-θo=:

1 Mark(s)

Your Answer:

Ωot+αt Ωot+αt
Ωot+1/2αt Ωot+1/2αt
Ωot+1/2αt2 Ωot+1/2αt2
Ωo+1/2αt2 Ωo+1/2αt2

Evaluating Your Answers

SQL and Databases Mock Test 12 : Question 1 of 60