Deloitte Cyber Security Analyst Interview Questions and Answers

Asked about Reasoning, English, Computer networks, Database Management system, Electronics

15 min discussion on any topic given on the spot, 1 min for thinking

Q1. What do you know about Cloud Computing?
Ans. 
Cloud computing is the delivery of computing services over the internet, including servers, storage, databases, networking, software, analytics, and intelligence.
• Cloud computing allows users to access and store data and applications on remote servers instead of on their local devices.

• It offers scalability, flexibility, cost-effectiveness, and the ability to access resources from anywhere with an internet connection.

• Exa...read more
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Q2. OOPs concepts and examples
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OOPs concepts refer to Object-Oriented Programming principles like inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation detail
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Q3. SQL queries like Joins and Selection
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2 hours, basic dsa questions, cyber security related mcqs

Q1. What is normalization in dbms
Ans. 
Normalization in DBMS is the process of organizing data in a database to reduce redundancy and improve data integrity.
• Normalization involves breaking down a database into smaller, more manageable tables and defining relationships between them.

• It helps in reducing data redundancy by storing data in a structured and organized manner.

• Normalization also helps in improving data integrity by ensuring that data is consistent ...read more
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Q2. Difference between truncate and delete
Ans. 
Truncate is a DDL command that removes all records from a table, while delete is a DML command that removes specific records.
• Truncate is faster than delete as it does not log individual row deletions.

• Truncate resets identity columns, while delete does not.

• Truncate cannot be rolled back, while delete can be rolled back using a transaction.

• Truncate does not fire triggers, while delete does.
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Q3. How will your protect your digital data
Ans. 
I will protect my digital data by implementing strong encryption, regular backups, and strict access controls.
• Implement strong encryption algorithms to secure data in transit and at rest

• Regularly backup data to prevent loss in case of cyber attacks or hardware failures

• Enforce strict access controls by using multi-factor authentication and least privilege principle
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Q4. Some types of cyber attacks
Ans. 
Some types of cyber attacks include phishing, malware, ransomware, DDoS attacks, and social engineering.
• Phishing: fraudulent emails or messages to trick individuals into revealing sensitive information

• Malware: malicious software designed to damage or gain unauthorized access to a computer system

• Ransomware: encrypts files on a victim's system and demands payment for decryption

• DDoS attacks: overwhelming a system with a f...read more
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