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

Q.1

Q.2

Q.3

Q.4

Q.5

Q.6

Q.7

Q.8

Q.9

Q.10

Q.1	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.2	Which of the following is not a type of basic model available in E-governance?
	a) Government - to - citizen, Government - to - social welfare		b) Government - to - social welfare, Government - to - government
	c) Government - to - employers, Government - to - social welfare		d) Government - to - government, Government - to - employers

Q.3	Which of the following is the correct HTML tag to left-align the content inside a table cell?
	a) <tdleft>		b) <td ralign = "left">
	c) <td align = "left">		d) <tdleftalign>

Q.4	Which of the following is most critical in preventing unauthorised access to personal data in an organisation?
	a) Data visualisation tools		b) Cloud storage services
	c) Strong access control mechanisms		d) PDF file formats

Q.5	Fill in the blanks in context to HTML: (i) The __________ list is used when the list items are not to be displayed in any particular order. (ii) The three values that can be defined with ___________ tag are disc, square and circle. (iii) The __________ tag is used to display the list of items in a specific order. (iv) To specify the starting point of the numbering scheme __________ attribute is used. (v) If one set of elements is embedded within another set, it is called __________ list.
	a) (i) Unordered (ii) <OL> (iii) <UL> (iv) Begin (v) Structured		b) (i) Ordered (ii) <UL> (iii) <LI> (iv) Start (v) Nested
	c) (i) Ordered (ii) <LI> (iii) <OL> (iv) Begin (v) Structured		d) (i) Unordered (ii) <UL> (iii) <OL> (iv) Start (v) Nested

Q.6	What is the purpose of random.randint()?
	a) It performs string manipulation		b) It returns a fixed value
	c) It provides random access		d) Returns a random integer between two values

Q.7	How does a for loop differ from a while loop in algorithms?
	a) A for loop runs with a known count; a while loop runs till a condition.		b) A for loop repeats endlessly; a while loop ends at a fixed count.
	c) A for loop cannot use logic; a while loop can use logical checks.		d) A for loop is always slower; a while loop is faster in all cases.

Q.8	What is the result of `mylist = [4, 5, 8]; mylist.pop()`?
	a) 4		b) 8
	c) 5		d) All of the above

Q.9	In an OLE (Object Linking and Embedding) scenario, what is a disadvantage of linking external objects?
	a) The object data is permanently stored inside the database		b) The linked object cannot be updated
	c) The external object must be accessible for the link to work		d) The link always breaks

Q.10	In data organisation, what is the role of database tables and fields?
	a) To secure data from cyberattacks		b) To categorise and structure data for easy access
	c) To analyse data using charts		d) To delete unnecessary data automatically

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