How does HTTPS protocol ensure secure communication?
This networking question focuses on the security protocols used to protect data in transit over the internet. It evaluates understanding of encryption standards.
Why Interviewers Ask This
Security is paramount in e-commerce platforms like Flipkart. Interviewers need to confirm you understand how data integrity and confidentiality are maintained. They assess your knowledge of TLS handshakes, certificates, and encryption algorithms.
How to Answer This Question
Explain the role of SSL/TLS in encrypting data. Describe the handshake process briefly. Mention public-key cryptography and digital certificates. Contrast HTTP vs HTTPS regarding security headers and port numbers.
Key Points to Cover
- TLS encryption mechanism
- Certificate validation
- Handshake process
- Data confidentiality
Sample Answer
HTTPS uses TLS to encrypt data between client and server, ensuring privacy and integrity. During the handshake, the server presents a certificate to verify identity. Symmetric encryption handles data transfer after the s…
Common Mistakes to Avoid
- Confusing HTTP with HTTPS ports
- Ignoring certificate authority role
- Omitting encryption types
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