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Cybersecurity is one of the most in-demand fields in IT today. Whether you are a beginner or preparing for advanced roles, practicing multiple-choice questions helps in strengthening your concepts. Here are 25 Cyber Security MCQs with answers and explanations for better understanding. 1. Which of the following is the strongest password? a) 123456 b) Qwerty@2020 c) M@rket!2025# d) password123 Answer: c) M@rket!2025# ✔ Strong passwords include uppercase, lowercase, numbers, and special symbols. 2. What does VPN stand for? a) Virtual Protection Network b) Virtual Private Network c) Verified Protected Node d) Virtual Processing Network Answer: b) Virtual Private Network ✔ VPN ensures secure data transmission over public networks. 3. Phishing attacks are usually carried out through: a) Hardware devices b) Email or fake websites c) Firewall misconfigurations d) Physical theft Answer: b) Email or fake websites ✔ Attackers trick users into revealing sensitive data like passwords. 4...

Software-Defined Wide Area Networks (SD-WAN) are revolutionizing how organizations manage remote connections—optimizing performance, cost, and security. To sharpen your knowledge, here are 25 essential MCQs on SD-WAN technology—including architecture, policies, deployment, and more. SD-WAN MCQs (with Answers) What does SD-WAN stand for? A) Software-Driven WAN B) Software-Defined Wide Area Network C) Secure Data WAN D) Service-Defined WAN Answer: B) Software-Defined Wide Area Network SD-WAN primarily separates which two planes? A) Data and Storage B) Control and Policy C) Data and Control D) Application and Network Answer: C) Data and Control Which component provides centralized orchestration in Cisco SD-WAN? A) vSmart B) vBond C) vEdge D) vManage Answer: D) vManage What protocol carries routing and policy information in Cisco SD-WAN? A) BGP B) OMP C) OSPF D) RIP Answer: B) OMP (Overlay Management Protocol) Which SD-WAN feature determines the best path based on application requireme...