{ "questions": [ { "id": 1, "category": "cpp", "type": "none", "text": "What is the purpose of the 'std' namespace in C++?", "answer": "The 'std' namespace in C++ is used to define the standard C++ library functions and objects." }, { "id": 2, "category": "cpp", "type": "none", "text": "What does the 'cout' object in C++ do?", "answer": "'cout' is used to output data to the standard output, typically the screen." }, { "id": 3, "category": "cpp", "type": "none", "text": "How do you declare an integer variable in C++?", "answer": "You declare an integer variable in C++ using the 'int' keyword followed by the variable name, e.g., 'int myVar;'." }, { "id": 4, "category": "cpp", "type": "none", "text": "What is a pointer in C++?", "answer": "A pointer is a variable that holds the memory address of another variable." }, { "id": 5, "category": "cpp", "type": "none", "text": "What is the use of the 'new' operator in C++?", "answer": "The 'new' operator is used to dynamically allocate memory on the heap." }, { "id": 6, "category": "cpp", "type": "none", "text": "What is a class in C++?", "answer": "A class in C++ is a user-defined type that contains data members and member functions to operate on the data." }, { "id": 7, "category": "cpp", "type": "none", "text": "What is inheritance in C++?", "answer": "Inheritance is a feature in C++ where one class can inherit the properties and methods of another class." }, { "id": 8, "category": "cpp", "type": "none", "text": "How do you define a function in C++?", "answer": "A function in C++ is defined by specifying the return type, function name, and parameters, followed by the function body enclosed in curly braces." }, { "id": 9, "category": "cpp", "type": "none", "text": "What is a constructor in C++?", "answer": "A constructor is a special member function of a class that is executed whenever an object of that class is created." }, { "id": 10, "category": "cpp", "type": "none", "text": "What is polymorphism in C++?", "answer": "Polymorphism in C++ allows for functions or methods to be used in different contexts, typically through inheritance and function overriding." }, { "id": 11, "category": "cybersec", "type": "none", "text": "What is a firewall in cybersecurity?", "answer": "A firewall is a network security device that monitors and filters incoming and outgoing network traffic based on an organization's previously established security policies." }, { "id": 12, "category": "cybersec", "type": "none", "text": "What is phishing?", "answer": "Phishing is a cyber attack that uses disguised email as a weapon to trick the email recipient into believing that the message is something they want or need." }, { "id": 13, "category": "cybersec", "type": "none", "text": "What is malware?", "answer": "Malware is malicious software designed to harm, exploit, or otherwise compromise the operation of a computer system." }, { "id": 14, "category": "cybersec", "type": "none", "text": "What is encryption?", "answer": "Encryption is the process of converting data into a code to prevent unauthorized access." }, { "id": 15, "category": "cybersec", "type": "none", "text": "What is a VPN?", "answer": "A VPN (Virtual Private Network) extends a private network across a public network and enables users to send and receive data across shared or public networks as if their computing devices were directly connected to the private network." }, { "id": 16, "category": "cybersec", "type": "none", "text": "What is two-factor authentication?", "answer": "Two-factor authentication is a security process in which the user provides two different authentication factors to verify themselves." }, { "id": 17, "category": "cybersec", "type": "none", "text": "What is a DDoS attack?", "answer": "A DDoS (Distributed Denial of Service) attack is an attempt to make an online service unavailable by overwhelming it with traffic from multiple sources." }, { "id": 18, "category": "cybersec", "type": "none", "text": "What is social engineering?", "answer": "Social engineering is the psychological manipulation of people into performing actions or divulging confidential information." }, { "id": 19, "category": "cybersec", "type": "none", "text": "What is a zero-day vulnerability?", "answer": "A zero-day vulnerability is a software security flaw that is known to the software vendor but does not have a patch in place to fix the flaw." }, { "id": 20, "category": "cybersec", "type": "none", "text": "What is ransomware?", "answer": "Ransomware is a type of malicious software designed to block access to a computer system until a sum of money is paid." }, { "id": 21, "category": "geography", "type": "none", "text": "What is the capital of France?", "answer": "The capital of France is Paris." }, { "id": 22, "category": "geography", "type": "none", "text": "Which river is the longest in the world?", "answer": "The Nile River is considered the longest river in the world." }, { "id": 23, "category": "geography", "type": "none", "text": "What is the largest desert in the world?", "answer": "The Sahara Desert is the largest hot desert in the world." }, { "id": 24, "category": "geography", "type": "none", "text": "Which country has the largest population?", "answer": "China has the largest population in the world." }, { "id": 25, "category": "geography", "type": "none", "text": "What is the smallest country in the world by area?", "answer": "Vatican City is the smallest country in the world by area." } ] }