Digital Signature | MCQs

    Q1: What ensures the authenticity of an email?

    • A. Password
    • B. Encryption
    • C. Digital Signature
    • D. Spam Filter

    Q2: Which of the following summation operations is performed on the bits to check an error-detecting code?

    • A. All of these
    • B. Coder-decoder
    • C. Checksum
    • D. Codec

    Q3: In digital signatures, _______ key is known to everyone.

    ڈیجیٹل دستخطوں میں، ______ کلید سب کو معلوم ہے۔
    • A. Integrity
    • B. Foreign
    • C. Public
    • D. Private
✅ Correct: 0 | ❌ Wrong: 0 | 📊 Total Attempted: 0