Practice IT Networking Questions and Answers

• Which data structure is used for implementing depth-first search (DFS) algorithm?
• What is the main advantage of using a hash table data structure?
• Which data structure represents a hierarchical relationship between elements?
• Which data structure is used for implementing breadth-first search (BFS) algorithm?
• What is the primary goal of cybersecurity?
• What is a common method of authentication in cybersecurity?
• What is a DDoS attack?
• What does the term "phishing" refer to in cybersecurity?
• What is the purpose of antivirus software in cybersecurity?
• What is a VPN (Virtual Private Network) used for in cybersecurity?
• What is the purpose of penetration testing in cybersecurity?
• What does the term "zero-day vulnerability" mean in cybersecurity?
• What is the purpose of encryption in cybersecurity?
• What is an operating system?
• What is the primary function of an operating system?
• Which of the following is NOT an example of an operating system?
• What is virtual memory in an operating system?
• What is a process in the context of an operating system?
• What is the role of a device driver in an operating system?
• Which scheduling algorithm is used to allocate CPU time to processes in an operating system?
• What is the purpose of a file system in an operating system?
• What is the function of the bootloader in an operating system?
• What is the role of the shell in an operating system?
• What is Linux?
• What is the default shell in most Linux distributions?
• Which command is used to view the contents of a file in the terminal?
• What is recursion in computer programming?
• What is encapsulation in object-oriented programming?
• Which of the following best describes inheritance in object-oriented programming?
• What is the purpose of polymorphism in object-oriented programming?
• What is the difference between composition and inheritance?
• What is the purpose of an interface in object-oriented programming?
• Which of the following is a base case in recursive functions?
• What is the relationship between recursion and iteration?
• What is the maximum depth of recursion?
• Which of the following is NOT a common application of recursion?
• In a recursive function, what is the call stack used for?
• Which of the following data structures can be implemented using recursion?
• What is software engineering?
• Which of the following is NOT a software development life cycle model?