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Free Practice Questions for WBCHSE HS Cyber Security

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Key Facts: WBCHSE HS Cyber Security Exam

CBST

Official WBCHSE subject code

https://wbchse.wb.gov.in/subjects/

30%

Minimum pass in theory and practical/project independently

https://wbchse.wb.gov.in/frequently-asked-questions-examination

INR 215

Class XII semester enrolment total (INR 190 to Council)

WBCHSE Memo L/PR/305/2025

bn+en

Non-language elective paper media (Bengali and English)

WBCHSE examination regulations

Sem I–IV

Higher Secondary semester system across Classes XI–XII

https://wbchse.wb.gov.in/annual-working-plan

This exam covers the WBCHSE Class 11-12 syllabus for Cyber Security. English-language MCQ study adaptation for WBCHSE HS—not an official board paper.

Sample WBCHSE HS Cyber Security Practice Questions

Try these sample questions to review concepts for the WBCHSE HS Cyber Security exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1In the CIA triad used in cyber security, what does the 'I' primarily protect?
A.Integrity of data against unauthorized modification
B.Internet availability of every service
C.Identity of every anonymous visitor
D.Installation rights for all users
Explanation: Integrity ensures data and systems are not altered by unauthorized parties. Confidentiality protects secrecy and Availability keeps services usable.
2Which component of a computer system executes program instructions?
A.CPU (Central Processing Unit)
B.Monitor
C.Keyboard
D.Speaker
Explanation: The CPU fetches, decodes and executes instructions. Peripherals handle input/output but do not execute the instruction stream.
3Volatile primary memory that loses its contents when power is removed is called:
A.RAM
B.ROM
C.SSD
D.DVD-ROM
Explanation: RAM is volatile working memory. ROM retains firmware without power; SSD/DVD are secondary storage.
4Which number system is the native representation used inside digital computers?
A.Binary (base-2)
B.Decimal (base-10)
C.Roman numerals
D.Sexagesimal (base-60)
Explanation: Digital logic uses two states (0/1), so binary is the native representation; other bases are converted for humans.
5Converting the binary number 1101₂ to decimal yields:
A.13
B.11
C.15
D.7
Explanation: 1101₂ = 8+4+0+1 = 13₁₀.
6Which device primarily connects dissimilar networks and forwards packets based on IP addresses?
A.Router
B.Hub
C.Monitor
D.Scanner
Explanation: Routers forward packets between networks using IP routing. Hubs are obsolete L1 multiport repeaters.
7Firmware stored on a chip that starts the boot process is commonly called:
A.BIOS/UEFI
B.Spreadsheet cache
C.Browser cookie
D.Printer queue
Explanation: BIOS or UEFI firmware initializes hardware and loads the bootloader/OS.
8Which statement best describes an operating system kernel?
A.Core software managing hardware resources and process control
B.A decorative desktop wallpaper pack
C.Only the web browser engine
D.A single user password file
Explanation: The kernel mediates CPU, memory, devices and processes—the core of the OS.
9In file permissions on a multi-user system, the ability to open and read a file's contents is:
A.Read permission
B.Execute-only on directories meaning nothing
C.Always granted to the Internet
D.Identical to ownership transfer
Explanation: Read permission allows viewing file contents. Execute on files runs programs; ownership is separate.
10Which storage is typically fastest for the CPU to access?
A.CPU registers / cache
B.Magnetic tape archive
C.Optical Blu-ray disc
D.Remote cold cloud archive
Explanation: Registers and on-chip cache are closest to the CPU and have the lowest latency.

About the WBCHSE HS Cyber Security Exam

The WBCHSE Higher Secondary Cyber Security exam tests students on the fundamental concepts of digital security, cryptography, cyber law, and threats. This OpenExamPrep bank is an English-language four-option MCQ study aid for WBCHSE Higher Secondary; it does not replace official Bengali/English board papers, descriptive answers, or required practical/project/performance evidence.

Exam sponsor: West Bengal Council of Higher Secondary Education (WBCHSE). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

WBCHSE Higher Secondary subject CBST: Semesters I–IV across Classes XI–XII; theory examinations plus practical/project/performance where the syllabus requires them.

Time Limit

As per semester notification (typically 2–3 hours for theory sittings)

Passing Score

30% minimum in theory and in practical/project independently (WBCHSE examination FAQ)

Exam / Certification Fees

Semester enrolment fee structure (Council): Sem III/IV student total INR 215 (155 enrolment + 30 processing + 30 convenience), with INR 190 to Council and INR 25 centre grant; supplementary often INR 50/paper. Separately, the public Fees page lists Class XII examination fees (within schedule) about INR 205 lab / INR 195 non-lab / INR 135 special. Confirm the applicable circular for the sitting.

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

core

Exam Overview & Structure

Comprehensive overview of the West Bengal Higher Secondary (in-wbchse-hs-cyber-security) examination covering key topics, marking scheme, and preparation strategies.

core

Syllabus Breakdown

Detailed unit-wise breakdown of the WBCHSE Class 11 and 12 curriculum for in-wbchse-hs-cyber-security, aligned with official council guidelines.

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Study Tips & Exam Strategy

Proven preparation strategies, time management guidelines, and practice routines to achieve top scores in Higher Secondary assessments.

Preparing for the WBCHSE HS Cyber Security Exam

What You Need to Know

  • Passing score: 30% minimum in theory and in practical/project independently (WBCHSE examination FAQ)
  • Assessment: WBCHSE Higher Secondary subject CBST: Semesters I–IV across Classes XI–XII; theory examinations plus practical/project/performance where the syllabus requires them.
  • Time limit: As per semester notification (typically 2–3 hours for theory sittings)
  • Exam / certification fees: Semester enrolment fee structure (Council): Sem III/IV student total INR 215 (155 enrolment + 30 processing + 30 convenience), with INR 190 to Council and INR 25 centre grant; supplementary often INR 50/paper. Separately, the public Fees page lists Class XII examination fees (within schedule) about INR 205 lab / INR 195 non-lab / INR 135 special. Confirm the applicable circular for the sitting. Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

WBCHSE HS Cyber Security: Suggested Study Strategy

1Review the basics of cryptography.
2Understand the different types of malware.
3Familiarize yourself with network security concepts.
4Read the key sections of the Indian IT Act.
5Practice identifying web vulnerabilities.

Frequently Asked Questions

Are these MCQs identical to the official WBCHSE CBST question paper?

No. Official non-language elective papers are set in Bengali and English under the semester system and may include descriptive and practical/project components. These items are an English MCQ study adaptation only.