Lecture notes on Cyber security and DBMS.pptx

Contents
1. Cyber security
2. DBMS
3. Networking

1. Introduction to the Lecture Welcome! Today's Topics: 1. Cyber Security 2. Database Management System (DBMS) 3. Networking Fundamentals 4. MS Office Objective Understand key concepts in technology. Learn practical tips for using technology tools. Explore potential career paths in tech fields.

2. Cyber Security What is Cyber Security? Definition: Protecting systems, networks, and programs from digital attacks. Importance: Safeguards data, privacy, and ensures system integrity. Types of Cyber Attacks Malware: Malicious software like viruses, worms, spyware. Phishing: Fake emails/websites to steal personal info. Ransomware: Locks out users, demands ransom to restore access. DoS Attacks: Overloads networks, making them unavailable. Protecting Yourself Online Use Strong Passwords: Mix of letters, numbers, symbols. Enable Two-Factor Authentication (2FA). Be Wary of Suspicious Emails and Links. Update Your Software Regularly. Role of Cyber Security in Society Personal Privacy: Protects personal information. National Security: Prevents attacks on critical infrastructure. Economic Stability: Safeguards businesses from cybercrime. Careers in Cyber Security Security Analyst: Monitors and investigates breaches. Penetration Tester: Tests system vulnerabilities. Cybersecurity Consultant: Advises on data protection.

3. Database Management System (DBMS) What is a DBMS? Definition: Software to create, manage, and interact with databases. Examples: MySQL, Oracle, Microsoft SQL Server. Importance of Databases Organized Data Storage: Structured format, easy retrieval. Data Integrity: Ensures accuracy and consistency. Data Security: Limits access to authorized users. Core Components of a DBMS Tables: Structures that store data in rows and columns. Fields: Columns representing attributes. Records: Rows representing data entries. Primary Key: Unique identifier for records. Types of Databases Relational Databases: Data stored in related tables. NoSQL Databases: Unstructured data storage. Real-Life Applications Banking: Manages accounts and transactions. E-commerce: Tracks products, orders, customer details. Education: Stores student info, grades. Emerging Trends in DBMS Cloud Databases: Hosted in the cloud, scalable. Big Data: Managing large volumes of data.

4. Networking Fundamentals What is Networking? Definition: Connecting devices to share resources. Types: LAN, WAN, PAN, MAN. Networking Devices Router: Directs data traffic. Switch: Connects devices within a network. Modem: Converts data for transmission. Access Point: Connects wireless devices to a network. Basic Networking Concepts IP Address: Unique identifier for devices. MAC Address: Physical network identifier. DNS: Translates domain names into IP addresses. How the Internet Works Client-Server Model: Clients request, servers provide. Packets: Data sent in smaller pieces. HTTP/HTTPS: Web data transfer protocols. Network Security Firewalls: Monitor and control network traffic. Encryption: Protects data by encoding it. VPN: Secure, encrypted connection over the internet. Careers in Networking Network Engineer: Designs and implements networks. Network Administrator: Manages and maintains networks. Network Security Specialist: Protects networks from threats.

5. MS Office Overview of MS Office What is MS Office?: A suite of productivity software. Why Learn MS Office?: Essential for school, work, and more. Key Applications in MS Office Microsoft Word: For creating text documents. Microsoft Excel: For data organization and analysis. Microsoft PowerPoint: For creating presentations. Practical Tips for Using MS Office Word: Use Styles for consistent formatting. Excel: Learn Basic Formulas for efficiency. PowerPoint: Keep slides simple and practice your presentation. Advantages of Proficiency in MS Office Efficiency: Saves time on tasks. Versatility: Useful in various fields. Employability: Valuable skill for many jobs.

6. Conclusion Recap of Key Points Cyber Security: Protecting digital lives. DBMS: Managing and retrieving data. Networking Fundamentals: Connecting devices securely. MS Office: Mastering essential productivity tools. Encouragement Keep exploring and asking questions. Stay updated with technology trends. Consider careers in these exciting fields. Thank You Thank you for your attention! Questions and Discussions