Bira 91 Intern Interview Questions and Answers

Q1. Explain block chain
Ans. 
Blockchain is a decentralized, distributed ledger technology that securely records transactions across multiple computers.
• Blockchain is a chain of blocks containing transaction data.

• Each block is linked to the previous one using cryptographic hashes.

• Transactions are verified by network participants through consensus mechanisms like Proof of Work or Proof of Stake.

• Once added to the blockchain, data is immutable and cann...read more
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Q2. Explain man in the middle attack
Ans. 
A man in the middle attack is when a hacker intercepts communication between two parties without their knowledge.
• Occurs when a hacker secretly intercepts and possibly alters the communication between two parties

• Commonly seen in public Wi-Fi networks where the hacker positions themselves between the user and the network

• Can lead to sensitive information being stolen or manipulated
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Q3. Explain RSA and it is use
Ans. 
RSA is a public-key encryption algorithm used for secure communication over the internet.
• RSA stands for Rivest-Shamir-Adleman, named after its inventors.

• It uses a pair of keys - a public key for encryption and a private key for decryption.

• RSA is widely used in secure communication protocols like HTTPS for secure browsing.

• It is based on the difficulty of factoring large prime numbers.

• RSA keys are typically 1024 or 2048
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Q4. Explain security attacks
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Security attacks are malicious activities aimed at compromising the confidentiality, integrity, or availability of information.
• Types of security attacks include malware, phishing, ransomware, DDoS attacks, and man-in-the-middle attacks.

• Attackers may exploit vulnerabilities in software or systems to gain unauthorized access or steal sensitive data.

• Common goals of security attacks are financial gain, data theft, disrupti...read more
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Q5. What is difference active attack and passive attack
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Active attacks involve the attacker directly interacting with the target system, while passive attacks involve monitoring and eavesdropping.
• Active attacks involve modifying data, injecting malware, or disrupting services.

• Passive attacks involve listening in on communications, capturing data, or analyzing traffic.

• Examples of active attacks include denial of service (DoS) attacks and man-in-the-middle attacks.

• Examples of...read more
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Q1. Tell me about yourself
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Q2. Questions based on your resume
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Q3. Questions on earlier work experience
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What is more imp? Career or family?

Q1. Quality assurance and control
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Q2. Food safety and standards
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Q3. Production and manufacturing
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Q4. HACCP verification steps and ccps
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Q5. Product testing protocols
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Q1. Thermal engineering
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Q1. Regarding project
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Q1. Tell me about yourself.
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