Software Engineering Mock Test 5

To load data into the relation, we can use the:

1 Mark(s)

Your Answer:

Update command Update command
Create command Create command
Define command Define command
Insert command Insert command

A . . . . . . . . is a collection of information saved as a unit.

1 Mark(s)

Your Answer:

folder folder
file file
path path
file extension file extension

What is the purpose of the HBase Time-to-Live (TTL) feature?

1 Mark(s)

Your Answer:

Join records from multiple tables Join records from multiple tables
Group records based on a condition Group records based on a condition
Sort records based on a column Sort records based on a column
Define the expiration time for data in an HBase table

Gaps between consecutive packets at the receiver cause a phenomenon is known as:

1 Mark(s)

Your Answer:

compression compression
jitter jitter
controlling controlling
conferencing conferencing

The uses of CFCs are -

1 Mark(s)

Your Answer:

Insulators Insulators
Aerosol propellants Aerosol propellants
Refrigerants Refrigerants
All of the above All of the above

Which of the following statements about AVL trees is true?

1 Mark(s)

Your Answer:

They are a type of self-balancing binary search tree.
They allow duplicate keys. They allow duplicate keys.
They do not require balancing. They do not require balancing.
They only support insertion operations. They only support insertion operations.

By Newton's second law in angular form, if l is angular momentum, torque is equals to:

1 Mark(s)

Your Answer:

dl/dt dl/dt
dlr/dt dlr/dt
dt/dr dt/dr
dt/d dt/d

Elements that are sonorous or make a bell-like sound when struck, are called:

1 Mark(s)

Your Answer:

metals metals
non-metals non-metals
glasses glasses
wood wood

The network layer was designed to solve the problem of delivery through:

1 Mark(s)

Your Answer:

single link single link
multilevel link multilevel link
several link several link
unicast link unicast link

A packet in Transmission Control Protocol (TCP) is called a:

1 Mark(s)

Your Answer:

transmittable slots transmittable slots
packet packet
segment segment
source slots source slots

What will be the result after the class Test execution? class A{ public void doA(){ B b = new B(); b.dobB(); System.out.print("doA"); } } class B{ public void dobB(){ C c = new C(); c.doC(); System.out.print("doB"); } } class C{ public void doC(){ if(true) throw new NullPointerException(); System.out.print("doC"); } } public class Test{ public static void main(String args[]){ try{ A a = new A(); a.doA(); }catch(Exception ex){ System.out.print("error"); } } }

1 Mark(s)

Your Answer:

"doCdoBdoA" is printed "doCdoBdoA" is printed
"doAdoBdoC" is printed "doAdoBdoC" is printed
"doBdoAerror" is printed "doBdoAerror" is printed
"error" is printed "error" is printed
nothing is printed nothing is printed

What does the itertools module in Python provide?

1 Mark(s)

Your Answer:

Data structure manipulation functions. Data structure manipulation functions.
Mathematical operations on large datasets.
Data serialization and deserialization. Data serialization and deserialization.
Functions for creating iterators for efficient looping.

The private key in asymmetric key cryptography is kept by?

1 Mark(s)

Your Answer:

Sender Sender
Receiver Receiver
Sender and Receiver Sender and Receiver
None of the these None of the these

The output to execute string.ascii_letters can also be obtained from:?

1 Mark(s)

Your Answer:

character character
ascii_lowercase_string.digits ascii_lowercase_string.digits
lowercase_string.upercase lowercase_string.upercase
ascii_lowercase+string.ascii_upercase ascii_lowercase+string.ascii_upercase

Consider the following Java program and select the right option from the given options. class marksofstudent { int subjectmarks; public : int* fun() { return &subjectmarks; } }; main() { marksofstudent s; int *ptr = c.fun() ; return 0; } ``` class marksofstudent { int subjectmarks; public : int* fun() { return &subjectmarks; } }; main() { marksofstudent s; int *ptr = c.fun() ; return 0; } ```

1 Mark(s)

Your Answer:

The above program violates the feature of encapsulation
The above program may result in undesirable conditions
The above program will generate an error
The above program is good to go The above program is good to go

What is the purpose of the tell() method in file handling?

1 Mark(s)

Your Answer:

It returns the current file position It returns the current file position
It reads the file contents It reads the file contents
It closes the file It closes the file
It appends data to the file It appends data to the file

Which major development led to the production of microcomputers ?

1 Mark(s)

Your Answer:

Floppy disks Floppy disks
Magnetic disks Magnetic disks
Integrated circuits Integrated circuits
Logic gates Logic gates

Which file mode in C++ opens a file for reading and writing without truncating it if it exists?

1 Mark(s)

Your Answer:

readwrite readwrite
append append
wplus wplus
readplus readplus

Suppose that you have document having three columns, is it possible to have a vertical line between each column?

1 Mark(s)

Your Answer:

No, it s not possible No, it s not possible
Yes, it is possible by selecting a check box in columns option dialog box
Yes, but only in tables, not in columns Yes, but only in tables, not in columns
None of these None of these

For the below mentioned code snippet: var o = new Object();

1 Mark(s)

Your Answer:

var o = Object(); var o = Object();
var o; var o;
var o= new Object; var o= new Object;
Object o=new Object(); Object o=new Object();

The research and development department at your office has been experimenting with different technologies to help improve the performance of the network. One group has been examining the use of a broadband network versus a based band network. Select the correct statement about broadband and baseband.

1 Mark(s)

Your Answer:

Broadband networks carry several channels on a single cable, whereas in a baseband network several cables carry one channel
Baseband networks carry a single channel on a single cable, whereas broadband networks carry several channels on a single cable
Baseband refers to local area networks, and broadband refers to wide area networks.
Baseband operates at a standard bit rate, whereas broadband may operate at different rates as needed
Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions

Which of the following locking method does not supported by APC?

1 Mark(s)

Your Answer:

File locks File locks
Spin locks Spin locks
Dead locks Dead locks
IPC semaphores IPC semaphores

Accessing same data from storage of the computer system is provided by:

1 Mark(s)

Your Answer:

serial clusters serial clusters
parallel clusters parallel clusters
Beowulf clusters Beowulf clusters
Concurrent clusters Concurrent clusters

Which of the following property is used to define whether an element should be resized and, if so, upon what axis?

1 Mark(s)

Your Answer:

axis axis
resize resize
set-origin set-origin
set-axis set-axis

How do you access the last element of an array arr with n elements in C?

1 Mark(s)

Your Answer:

arr[n] arr[n]
arr[n-1] arr[n-1]
arr[n+1] arr[n+1]
arr[last] arr[last]

In multicast communication, the relationship is:

1 Mark(s)

Your Answer:

one to one one to one
one to many one to many
many to one many to one
many to many many to many

What is inheritance in OOP?

1 Mark(s)

Your Answer:

Creating new objects from existing ones Creating new objects from existing ones
Allowing objects to share attributes and methods
Restricting access to object attributes Restricting access to object attributes
Converting classes into objects Converting classes into objects

In equation y(x,t)=ysin(kx-wt); argument (kx-wt) is:

1 Mark(s)

Your Answer:

phase phase
frequency frequency
amplitude amplitude
wavelength wavelength

Escape speed of Sirius B is:

1 Mark(s)

Your Answer:

5200 Km/s2 5200 Km/s2
0.64 Km/s2 0.64 Km/s2
618 Km/s2 618 Km/s2
11.2 Km/s2 11.2 Km/s2

Which attribute does not lie inside <a> and <area> elements?

1 Mark(s)

Your Answer:

Media Media
Ping Ping
Hreflang Hreflang
Preload Preload

What is the role of the Hadoop Secondary NameNode?

1 Mark(s)

Your Answer:

Takes periodic checkpoints of the HDFS metadata
Manages Hadoop's secondary storage Manages Hadoop's secondary storage
Acts as a backup Namenode in case of failures
Optimizes MapReduce job performance Optimizes MapReduce job performance

"Ctrl + O" keys are used by user to:

1 Mark(s)

Your Answer:

extract a file extract a file
open option open option
edit a file edit a file
open a file open a file

Which of the following is a common reason to restart hadoop process?

1 Mark(s)

Your Answer:

Upgrade Hadoop Upgrade Hadoop
React to incidents React to incidents
Remove worker nodes Remove worker nodes
All of the mentioned All of the mentioned

Which of the following measurement is relative to font-size of the root element?

1 Mark(s)

Your Answer:

rem rem
kd kd
rr rr
hx hx

Evaluating Your Answers

Software Engineering Mock Test 5 : Question 1 of 34