Software Engineering Mock Test 4

In the N Queens problem, how many possible positions are there for placing the first queen on an N×N chessboard?

1 Mark(s)

Your Answer:

N N
N^2 N^2
N/2 N/2
2^N 2^N

Which of the following refers to the terms "residual error rate"?

1 Mark(s)

Your Answer:

the number of bit errors per twenty four hours of continuous operation on an asynchronous line
The probability that one or more errors will be undetected when an error detection scheme is used
the probability that one or more errors will be detected when an error detection mechanism is used
signal to noise ratio divided by the ratio of energy per bit to noise per hertz
None of the above None of the above

How to save chart as a Window metafile?

1 Mark(s)

Your Answer:

metafile() metafile()
win.metafile() win.metafile()
file() file()
metawin() metawin()

Which wireless standard is Wi-Fi 6?

1 Mark(s)

Your Answer:

802.11ax 802.11ax
802.11ac 802.11ac
802.11n 802.11n
802.11g 802.11g

In partial orientation structure, chain molecules approach but donot achieve alignment parallel to:

1 Mark(s)

Your Answer:

fibre axis fibre axis
fibre width fibre width
fibre length fibre length
fibre density fibre density

Which of the following is true concerning Web services standards?

1 Mark(s)

Your Answer:

Led by only one group. Led by only one group.
Helped by cooperation between companies.
Not necessary at this time. Not necessary at this time.
Important so that the web can flourish. Important so that the web can flourish.

What is the role of the Hive EXPLAIN statement?

1 Mark(s)

Your Answer:

Create a new table in Hive Create a new table in Hive
Update data in a table Update data in a table
Display the execution plan for a Hive query
Retrieve data from a table Retrieve data from a table

Postfix expression of 'A + B' is:

1 Mark(s)

Your Answer:

=+AB =+AB
AB+ AB+
A+B A+B
BA+ BA+

What is the primary role of NiFi's "Processor Group"?

1 Mark(s)

Your Answer:

Perform data analytics in Hadoop Perform data analytics in Hadoop
Manage computation resources Manage computation resources
Execute MapReduce jobs Execute MapReduce jobs
Organize and manage a collection of processors

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

1 Mark(s)

Your Answer:

1 1
Garbage Garbage
3 3
2 2

The stem of plant make food instead of leaves if they lack leaves like:

1 Mark(s)

Your Answer:

cactus cactus
apple tree apple tree
rose plant rose plant
conifers conifers

What will be the output of the following Python code snippet?

1 Mark(s)

Your Answer:

prints all the vowels in my_string prints all the vowels in my_string
prints all the consonants in my_string prints all the consonants in my_string
prints all characters of my_string that aren't vowels
prints only on executing print(k) prints only on executing print(k)

What is the role of a client in client-server architecture?

1 Mark(s)

Your Answer:

To request resources or services from servers
To provide resources or services to servers
To establish connections between servers
To encrypt data transmission between servers

What does the 'A' record in DNS map?

1 Mark(s)

Your Answer:

Host to IPv4 Host to IPv4
Host to IPv6 Host to IPv6
IP to Host IP to Host
Mail Server Mail Server

Which of the following is NOT a typical property of a good hash function?

1 Mark(s)

Your Answer:

Easy to compute. Easy to compute.
Distributes keys uniformly across the hash table.
Minimizes collisions. Minimizes collisions.
Produces random and unpredictable results.

What term is used for celestial bodies that revolve around the Sun in highly elliptical’orbit?

1 Mark(s)

Your Answer:

A) Comet A) Comet
B) Meteors B) Meteors
C) Asteroids C) Asteroids
D) Planets D) Planets

Which of the following is a best practice to measure time taken by a process for execution?

1 Mark(s)

Your Answer:

System.currentTimeMillis() System.currentTimeMillis()
System.nanoTime() System.nanoTime()
System.getCurrentTime() System.getCurrentTime()
System.getProcessingTime() System.getProcessingTime()

The blobs are generally stored in

1 Mark(s)

Your Answer:

Memory Memory
Disk Disk
Both Memory and Disk Both Memory and Disk
None of the mentioned None of the mentioned

Which of the following is used with the switch statement?

1 Mark(s)

Your Answer:

Continue Continue
Exit Exit
break break
do do

Mapping of network file system protocol to local file system is done by:

1 Mark(s)

Your Answer:

network file system network file system
local file system local file system
volume manager volume manager
remote mirror remote mirror

What does the 'strcmp' function in C do?

1 Mark(s)

Your Answer:

Compares two strings and returns an integer indicating their relationship
Copies one string to another Copies one string to another
Concatenates two strings Concatenates two strings
Searches for a substring Searches for a substring

If 'a' is single slit width and θ is angle of first dark fringle, then path length difference in single slit diffraction is equals to:

1 Mark(s)

Your Answer:

asinθ asinθ
acosθ acosθ
atanθ atanθ
acotθ acotθ

What are the Associative Containers?

1 Mark(s)

Your Answer:

Containers that implements data structures which can be accessed sequentially
Containers that implements sorted data structures for fast search in O(logn)
Containers that implements unsorted(hashed) data structures for quick search in O(1)
Containers that implements data structures which can be accessed non-sequentially

The process in which energy is released by the combination of glucose and oxygen is known as:

1 Mark(s)

Your Answer:

digestion digestion
photosynthesis photosynthesis
respiration respiration
rusting rusting

What is a copy constructor?

1 Mark(s)

Your Answer:

Copies object Copies object
Copies class Copies class
Copies file Copies file
Copies memory Copies memory

What is the core storage layer in the Hadoop architecture?

1 Mark(s)

Your Answer:

HDFS HDFS
MapReduce MapReduce
YARN YARN
ZooKeeper ZooKeeper

In Ruby, what is the correct way to define a constant?

1 Mark(s)

Your Answer:

constant_name = value constant_name = value
constant name : value constant name : value
CONSTANT_NAME = value CONSTANT_NAME = value
constant_name(value) constant_name(value)

A Chatbot is an example of:

1 Mark(s)

Your Answer:

AI AI
OS OS
Compiler Compiler
Database Database

1287°C is melting point of:

1 Mark(s)

Your Answer:

Beryllium Beryllium
Astarine Astarine
Arsenic Arsenic
Dubnium Dubnium

What should the configuration register value be after you successfully complete the password recovery procedure and return the router to normal operation?

1 Mark(s)

Your Answer:

0x2100 0x2100
0x2101 0x2101
0x2102 0x2102
0x2142 0x2142

Radius of sun is:

1 Mark(s)

Your Answer:

3.8x105 m 3.8x105 m
6.96x108 m 6.96x108 m
6.37x106 m 6.37x106 m
1x104 m 1x104 m

What will be the output of the following PHP code? <?php $a1 = array("red", "green"); $a2 = array("blue", "yellow"); $a3 = array_merge($a1, $a2); $a4 = array("a", "b", "c", "d"); $a = array_combine($a4, $a3); print_r($a); ?>

1 Mark(s)

Your Answer:

Array ( [a] => blue [b] => yellow [c] => red [d] => green )
Array ( [0] => blue [1] => yellow [2] => red [3] => green )
Array ( [0] => red [1] => green [2] => blue [3] => yellow )
Array ( [a] => red [b] => green [c] => blue [d] => yellow )

Which type of topology is best suited for large businesses which must carefully control and coordinate the operation of distributed branch outlets?

1 Mark(s)

Your Answer:

Ring Ring
Local area Local area
Hierarchical Hierarchical
Star Star

In a PowerPoint presentation

1 Mark(s)

Your Answer:

Sound clips can be inserted but not movie clips
Movie clips can be inserted but not sound clips
Both cannot be inserted Both cannot be inserted
Both can be inserted Both can be inserted

Speed of Helium at 0°C is:

1 Mark(s)

Your Answer:

965 m/s 965 m/s
1402 m/s 1402 m/s
1482 m/s 1482 m/s
1522 m/s 1522 m/s

What will be the output of the following Java program? import java.net.*; class networking { public static void main(String[] args) throws Exception { URL obj = new URL("https://www.example.com/javamcq"); URLConnection obj1 = obj.openConnection(); int len = obj1.getContentLength(); System.out.print(len); } } Note: Host URL is having length of content 127.

1 Mark(s)

Your Answer:

126 126
127 127
Compilation Error Compilation Error
Runtime Error Runtime Error

Difficult reconnection and fault isolation are the disadvantages of:

1 Mark(s)

Your Answer:

Star topology Star topology
Mesh topology Mesh topology
Ring topology Ring topology
Bus topology Bus topology

Boolean algebra $A \cdot \bar{A}$ equals:

1 Mark(s)

Your Answer:

0 0
1 1
A A
$\bar{A}$ $\bar{A}$

What will be the output of the following C code? #include <stdio.h> struct point { int x; int y; }; void foo(struct point*); int main() { struct point p1[] = {1, 2, 3, 4}; foo(p1); } void foo(struct point p[]) { printf("%d\n", p->x); }

1 Mark(s)

Your Answer:

1 1
2 2
3 3
Compile time error Compile time error

Which of the following is correct typedef for function pointer returning int and taking two int parameters?

1 Mark(s)

Your Answer:

typedef int (*funcPtr)(int,int); typedef int (*funcPtr)(int,int);
typedef int *funcPtr(int,int); typedef int *funcPtr(int,int);
typedef int funcPtr(*int,int); typedef int funcPtr(*int,int);
typedef int &funcPtr(int,int); typedef int &funcPtr(int,int);

File name that handle interrupts in Linux is:

1 Mark(s)

Your Answer:

Access file Access file
Control file Control file
Interrupts file Interrupts file
Proc interrupts file Proc interrupts file

The term which means checking immediately by default,but can be deferred when desired, makes the constraint alternatively:

1 Mark(s)

Your Answer:

Non-deferrable Non-deferrable
Initially deferred Initially deferred
Deferrable Deferrable
Previously deferred Previously deferred

Which operator is having the right to left associativity in the following?

1 Mark(s)

Your Answer:

Array subscripting Array subscripting
Function call Function call
Addition and subtraction Addition and subtraction
Type cast Type cast

In C++, what is the syntax for the 'while' loop?

1 Mark(s)

Your Answer:

while (condition) { statement; } condition;
while { statement; } condition; while { statement; } condition;
while (condition) { statement; } while (condition) { statement; }
while { condition } { statement; } while { condition } { statement; }

The variable in DBMS used to communicate error conditions between database management system and program are:

1 Mark(s)

Your Answer:

SQLCODE SQLCODE
SQLSECTION SQLSECTION
SQLSTATE SQLSTATE
both b and c both b and c

Acidity or alkalinity of the soil can be affected by:

1 Mark(s)

Your Answer:

amount of rainfall amount of rainfall
vegetation type vegetation type
temperature temperature
all of them all of them

Evaluating Your Answers

Software Engineering Mock Test 4 : Question 1 of 46