Practice IT Networking Questions and Answers

• What is the purpose of the "rollback" operation in a transaction?
• Which of the following isolation levels provides the highest level of data consistency and accuracy?
• Which of the following is an example of a concurrency control mechanism used in transactions?
• What is the purpose of the "isolation" property in transactions?
• Which of the following is used to retrieve data from a SQL database?
• Which SQL keyword is used to filter records in a SELECT statement based on a specific condition?
• What does the SQL keyword "DISTINCT" do?
• Which SQL statement is used to modify existing data in a database table?
• What is the purpose of the SQL GROUP BY clause?
• Which SQL command is used to create a new database table?
• Which SQL statement is used to delete data from a database table?
• What does the SQL keyword "JOIN" do?
• What is the role of the Internet Protocol (IP) in networking?
• Which protocol is responsible for resolving IP addresses to MAC addresses?
• Which protocol is used for secure communication over the internet?
• Which protocol is commonly used for sending and receiving emails?
• Which protocol is used to retrieve email from a remote server?
• What does the Hypertext Transfer Protocol (HTTP) define?
• Which protocol is used for secure file transfer over a network?
• Which protocol is used for real-time communication over the internet?
• Which protocol is responsible for dynamic IP address allocation?
• Which protocol is used to transfer files over a network securely?
• What is artificial intelligence (AI)?
• Which of the following is an example of narrow or weak AI?
• What is machine learning?
• Which of the following techniques is used to train a machine learning model on labeled data?
• What is the Turing Test?
• Which AI technique involves designing computer programs that can improve their performance through repeated experience?
• Which of the following is an application of natural language processing (NLP)?
• What is the purpose of artificial neural networks (ANN) in AI?
• Which of the following is an ethical consideration related to the use of AI?
• Which AI technique focuses on creating machines that can mimic human cognitive processes, such as learning, problem-solving, and decision-making?
• What is a shell script?
• Which command is used to indicate the interpreter for a shell script?
• What is the purpose of the shebang (#!) in a shell script?
• Which command is used to display output in a shell script?
• How do you define a variable in a shell script?
• Which symbol is used to access the value of a variable in a shell script?
• How do you read input from the user in a shell script?
• Which command is used to perform arithmetic operations in a shell script?