CREST Cyber Olympiad Class 10 Sample Paper

Prepare your child for the CREST Cyber Olympiad (CCO) with expertly crafted sample papers for Grade 10. These free PDF downloads, along with detailed solutions, are designed to help students grasp advanced cyber and computer science concepts and perform confidently in the exam.

Why Practise CREST Cyber Olympiad Sample Papers for Grade 10?

• Gain a thorough understanding of the exam format and question types.
• Sharpen problem-solving skills and improve time management.
• Identify weak areas and focus on strategic revision for better results.

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Syllabus:

Section 1: Computer & IT

1. Advanced Networking & Internet Concepts
   • Ports and Protocols – e.g., port 80 for HTTP, port 443 for HTTPS
   • Public vs Private IP addresses (IPv4 basics)
   • Static vs Dynamic IP allocation (DHCP)
   • Web hosting basics – Domain, web server, hosting providers, uptime
   • Packet switching, Packet loss, Routers, Throughput
2. Algorithms and Flowcharts
   • Algorithm Design: nested conditions, designing modular algorithms using sub-processes
   • Flowchart Techniques: loops, nested conditions (if-else, switch)
   • Iteration: using loops in algorithms (for, while)
   • Problem-Solving Activities (Algorithms): LCM & GCD, palindrome check, count vowels
   • Problem-Solving Activities (Flowcharts): simulate calculator, sort array
   • Integration with Programming Languages: convert flowcharts into working code
   • Logical Operators in Conditions (AND, OR, NOT)
3. Computer Fundamentals
   • Operating System
   • Number System
   • User Interface
   • Memory
   • Task Management
4. Cybersecurity and Digital Forensics
   • Digital Forensics: investigating computers, mobile phones, networks to uncover evidence
   • Digital Evidence: deleted files, emails, messages, browser history, photos/videos, network/server logs
   • Types of Digital Forensics: computer, mobile, network, cloud, memory forensics
   • Process of Digital Forensics: identification, preservation, analysis, reporting, presentation
   • Relationship Between Cybersecurity and Digital Forensics
5. Data Management and E-commerce
   • Key Components of Data Management: collection, storage, organization, quality, security, analytics
   • Types of E-Commerce Models: B2C, B2B, C2C, C2B
   • Key Features of E-Commerce: online stores, payment systems, shopping cart, reviews, order management
   • Challenges of Data Management: privacy, security, data overload, integration, accuracy
   • Technologies Supporting Data Management: Cloud Computing, Big Data, Machine Learning & AI, DBMS
6. Latest Developments in the Field of IT
   • Machine Learning (ML) – difference from AI, usage in prediction and personalisation
   • Green Computing – energy-efficient devices, e-waste reduction
7. MS Office
   • MS Word
   • MS PowerPoint
   • MS Excel
   • MS Access
8. Python Programming (Text-Based Coding)
   • Use of Python Modules: math, random, datetime, statistics
   • Data Validation and Error Handling
   • List & Dictionary: nested lists, list comprehensions, dictionary methods (update(), pop(), items(), etc.)
   • Functions: default and keyword arguments, return vs print, lambda functions
   • File Handling – text files: read, write, append, using with, line-by-line reading, writing logs/reports
9. Web Development
   • Types: front-end (client-side), back-end (server-side), full-stack development
   • Web Design
   • Web Hosting & Deployment
   • Web Development Tools
   • Web Security
   • Web Performance Optimization
10. Working with Databases using MS Access / DBMS
    • Querying: set conditions using relational/logical operators, multiple conditions
    • Working with Multiple Databases: relationships (1-1, 1-many, many-1, many-many)
    • Object Linking & Embedding: linking vs embedding, inserting/linking external objects

Section 2: Achievers Section

• Higher Order Thinking Questions – Syllabus as per Section 1.
• Questions are based on Windows 11 and MS Office 2016.

Sample Paper Previous Year Paper Marking Scheme

Sample Questions

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Q.2

Q.3

Q.4

Q.5

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Q.10

Q.1	Which of the following database language allows you to access or maintain data in a database?
	a) DCL		b) DML
	c) DDL		d) DAL

Q.2	Which of the following would most likely require embedding instead of linking in a database?
	a) A video file that needs to be accessed offline		b) A database entry that references a customer’s social media profile
	c) A frequently updated spreadsheet		d) A document with frequently changing content

Q.3	Which of the following statement(s) is/are correct for the use of packet switching?
	a) The subdivision of information into individually addressed packets in conjunction with alternative routing arrangement enabled the transmission path to be altered in the event of congestion or individual link failure		b) The employment of additional intelligence within the network enabled more sophisticated error control and link control procedures to be applied
	c) By employing wide bandwidth circuits for the trunk networks, substantial economies through extensive sharing of capacity could be achieved		d) All of the above

Q.4	How does green computing impact the life cycle of electronic devices?
	a) It promotes quicker disposal of old devices		b) It encourages longer use and repair of devices
	c) It increases the production rate of new devices		d) It prevents the reuse of parts

Q.5	Which tag inserts a line horizontally on your web page?
	a) <line direction="horizontal">		b) <line>
	c) <hr>		d) <tr>

Q.6	Fill in the blank: _________ is a set of interactive telecommunication technologies which allows two or more location users to interact via two-way video and audio transmissions simultaneously.
	a) Audio conference		b) Video conference
	c) Visual collaboration		d) Both b and c

Q.7	Which of the following is the role of system software?
	a) Control hardware and provide services for applications		b) Create user documents
	c) Execute user-defined programs		d) Run multimedia applications

Q.8	What does full-stack development involve?
	a) Only server-side scripting		b) Only client-side programming
	c) Both front-end and back-end development		d) Database management and hosting

Q.9	Match the following:   Column A   Column B 1.       Community cloud a.       The software that manages this cloud responds to cloud bursts by provisioning extra resources from the public cloud as required. 2.       Private cloud b.       This cloud is a truly shared facility that allows multiple clients to use the resources provided. It is the closest to the definition of a cloud infrastructure. 3.       Public cloud c.        It is a shared computing infrastructure that is used by a specified community of users that have common needs in terms of specifications. 4.       Hybrid cloud d.       Only one organisation uses this cloud and normally the physical server racks are also present on the organisation’s premises.
	a) 1 – c, 2 – d, 3 – b, 4 – a		b) 1 – d, 2 – a, 3 – c, 4 – b
	c) 1 – b, 2 – a, 3 – d, 4 – c		d) 1 – d, 2 – c, 3 – b, 4 – a

Q.10	Which out of the following audio format can be inserted into MS Powerpoint?
	a) .wmv		b) .mp3
	c) .avi		d) .mov

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