HPSSC JOA (IT) Post Code 913 (2021) - Practice Test (Part 1)

Question 1

Which of the following layers in the ISO-OSI reference network model lies between the Physical and Network layers?

Accepted Answer

Data Link Layer

Answer

Application Layer

Answer

Transport Layer

Answer

Session Layer

Question 2

Which layer in the ISO-OSI reference network model is primarily responsible for the routing of packets across interconnected networks?

Accepted Answer

Network Layer

Answer

Physical Layer

Answer

Data Link Layer

Answer

Transport Layer

Question 3

A web-based information repository that is collaboratively edited and maintained by members of a community is called a ________.

Accepted Answer

Wiki

Answer

Web Application

Answer

Portal

Answer

Blog

Question 4

A frequency band of the electromagnetic spectrum reserved internationally for unlicensed industrial, scientific, and medical usage is called the _____ band.

Accepted Answer

ISM Band

Answer

Bluetooth Band

Answer

ISP Band

Answer

Wi-Fi Band

Question 5

A network interface card (NIC) can capture all data packets transmitted over a shared broadcast medium by setting the interface into _______ mode.

Accepted Answer

Promiscuous Mode

Answer

Active Mode

Answer

Safe Mode

Answer

Dormant Mode

Question 6

Which of the following is an invalid IPv4 address?

Accepted Answer

192.168.1.270

Answer

10.1.1.1

Answer

218.248.240.79

Answer

74.21.18.251

Question 7

Which of the following IPv4 address blocks is reserved by IANA for private local network use?

Accepted Answer

192.168.0.0 to 192.168.255.255

Answer

74.48.0.0 to 74.48.255.255

Answer

16.16.0.0 to 16.24.255.255

Answer

190.168.0.0 to 190.168.255.255

Question 8

Which of the following terms refers specifically to a type of optical fibre cable?

Accepted Answer

Multimode Optical Fibre

Answer

UTP

Answer

Ethernet

Answer

CAT6

Question 9

What is the full form of the term WEP used with legacy Wi-Fi wireless security?

Accepted Answer

Wired Equivalent Privacy

Answer

Wireless Equipment Protection

Answer

Wireless Electronic Privacy

Answer

Wireless Enabled Password

Question 10

Which of the following is generally NOT a core management function of an Operating System kernel?

Accepted Answer

Word Processing

Answer

Process Management

Answer

Protection and Security

Answer

Memory Management

Question 11

Which of the following CPU scheduling algorithms is guaranteed NOT to cause indefinite process starvation?

Accepted Answer

Round Robin (RR)

Answer

Shortest Job First (SJF)

Answer

Shortest Remaining Time First (SRTF)

Answer

Priority Scheduling

Question 12

A ______ is a reserved contiguous block of memory that temporarily holds data while it is being transferred between two devices or applications with different speeds.

Accepted Answer

Buffer

Answer

Spool

Answer

Stack

Answer

Cache

Question 13

Which of the following is NOT a genuine historical release version of the Microsoft Windows operating system?

Accepted Answer

Windows XE

Answer

Windows Vista

Answer

Windows ME

Answer

Windows XP

Question 14

In Windows 10, how can a user quickly 'Aero Peek' at the desktop without minimizing or closing active windows?

Accepted Answer

By hovering the mouse cursor over the small button at the far right end of the taskbar

Answer

By pressing Ctrl+Alt+Shift

Answer

By shaking the mouse cursor

Answer

By long pressing the Shift key

Question 15

In Windows 10, what quick mouse gesture ('Aero Shake') minimizes all background windows except the active foreground window?

Accepted Answer

Clicking and holding the active window's title bar and shaking the mouse back and forth

Answer

Long pressing the Ctrl key

Answer

Pressing the F1 key

Answer

Pressing Ctrl+Alt+S

Question 16

In Windows 10, the _______ provides consolidated access to notifications, Battery Saver, Network selector, and Tablet mode toggles.

Accepted Answer

Action Center

Answer

Menu bar

Answer

Quick Launch bar

Answer

Status bar

Question 17

Which term describes a system condition where the computer becomes completely unresponsive to keyboard or mouse user input?

Accepted Answer

Hang (Freeze)

Answer

Sleep

Answer

Suspend

Answer

Boot

Question 18

A ______ is a concurrency anomaly that arises when two threads access a shared variable concurrently and the final output depends on the arbitrary execution order of instructions.

Accepted Answer

Race Condition

Answer

Deadlock

Answer

Belady's Anomaly

Answer

Cache Miss

Question 19

What is the standard file format extension for an Android application distribution and installation package?

Accepted Answer

.APK

Answer

.EXE

Answer

.DLL

Answer

.APF

Question 20

Red Hat Enterprise Linux (RHEL) is an enterprise-grade example of a/an:

Accepted Answer

Linux Distribution

Answer

Antivirus Software

Answer

Database Management System

Answer

Image Editing Software

Question 21

What is the standard Linux/Unix terminal command to delete (remove) a file?

Accepted Answer

rm

Answer

erase

Answer

del

Answer

kill

Question 22

A/An ______ reads one high-level language source statement at a time, translates it into machine instructions, executes it immediately, and then proceeds to the next statement.

Accepted Answer

Interpreter

Answer

Assembler

Answer

Linker

Answer

Compiler

Question 23

Which programming language category uses symbolic mnemonics (e.g. MOV, ADD, JMP) for CPU machine instructions and symbolic labels for memory locations?

Accepted Answer

Assembly Language

Answer

Machine Language

Answer

4th Generation Language

Answer

High-level Language

Question 24

Which popular general-purpose high-level programming language was created and released by Guido van Rossum in 1991?

Accepted Answer

Python

Answer

C++

Answer

C

Answer

Java

Question 25

Which programming paradigm organizes software design around data entities called objects and blueprint definitions called classes?

Accepted Answer

Object-Oriented Programming (OOP)

Answer

Functional Programming

Answer

Procedural Programming

Answer

Assembly Language