Betsol Software Engineer Trainee Interview Questions and Answers

Genral aptitude based on work , time , streams, speed , mixtures , ratio etc

Q1. What are symmetric and asymetric keys in cryptography ?
Ans. 
Symmetric keys use the same key for encryption and decryption, while asymmetric keys use a pair of public and private keys.
• Symmetric keys are faster and simpler, but require secure key exchange. Example: AES encryption.

• Asymmetric keys provide better security and do not require secure key exchange. Example: RSA encryption.

• Symmetric keys are typically used for encrypting large amounts of data, while asymmetric keys are u
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Q2. How to defend from DDOS attack ?
Ans. 
Defend against DDOS attacks by implementing strong network security measures.
• Use a firewall to filter out malicious traffic

• Implement rate limiting to prevent overwhelming the server

• Utilize a content delivery network (CDN) to distribute traffic and absorb attacks

• Deploy DDOS mitigation services such as Cloudflare or Akamai

• Regularly monitor network traffic for any unusual patterns
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Q3. Different types of attacks ?
Ans. 
Different types of attacks include phishing, malware, DDoS, SQL injection, and social engineering.
• Phishing: fraudulent emails or websites to trick users into revealing sensitive information

• Malware: malicious software designed to harm a computer system

• DDoS (Distributed Denial of Service): overwhelming a system with traffic to make it unavailable

• SQL injection: inserting malicious SQL code into input fields to manipulate ...read more
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