"question":"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":"c++",
"type":"none",
"question":"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":"c++",
"type":"none",
"question":"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":"c++",
"type":"none",
"question":"What is a pointer in C++?",
"answer":"A pointer is a variable that holds the memory address of another variable."
},
{
"id":5,
"category":"c++",
"type":"none",
"question":"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":"c++",
"type":"none",
"question":"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":"c++",
"type":"none",
"question":"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":"c++",
"type":"none",
"question":"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":"c++",
"type":"none",
"question":"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":"c++",
"type":"none",
"question":"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":"cybersecurity",
"type":"none",
"question":"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":"cybersecurity",
"type":"none",
"question":"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":"cybersecurity",
"type":"none",
"question":"What is malware?",
"answer":"Malware is malicious software designed to harm, exploit, or otherwise compromise the operation of a computer system."
},
{
"id":14,
"category":"cybersecurity",
"type":"none",
"question":"What is encryption?",
"answer":"Encryption is the process of converting data into a code to prevent unauthorized access."
},
{
"id":15,
"category":"cybersecurity",
"type":"none",
"question":"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":"cybersecurity",
"type":"none",
"question":"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":"cybersecurity",
"type":"none",
"question":"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":"cybersecurity",
"type":"none",
"question":"What is social engineering?",
"answer":"Social engineering is the psychological manipulation of people into performing actions or divulging confidential information."
},
{
"id":19,
"category":"cybersecurity",
"type":"none",
"question":"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":"cybersecurity",
"type":"none",
"question":"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",
"question":"What is the capital of France?",
"answer":"The capital of France is Paris."
},
{
"id":22,
"category":"geography",
"type":"none",
"question":"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",
"question":"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",
"question":"Which country has the largest population?",
"answer":"China has the largest population in the world."
},
{
"id":25,
"category":"geography",
"type":"none",
"question":"What is the smallest country in the world by area?",
"answer":"Vatican City is the smallest country in the world by area."
