Practice IT Networking Questions and Answers

• Which of the following is a valid token in lexical analysis?
• What does a lexer (lexical analyzer) do in the compilation process?
• Which of the following tasks is not typically performed by a lexer?
• What is the purpose of a symbol table in lexical analysis?
• Which component of a compiler interacts directly with the lexer?
• What is a blockchain?
• What is the main purpose of hashing in blockchain?
• Which consensus mechanism is used by Bitcoin, the first blockchain-based cryptocurrency?
• What is a smart contract in the context of blockchain technology?
• Which of the following is a characteristic of a public blockchain?
• How does blockchain achieve its tamper-resistant quality?
• What is the primary purpose of HTML5?
• Which of the following is a new semantic element introduced in HTML5?
• What is the purpose of the ‘‘ and ‘‘ elements in HTML5?
• How does the ‘localStorage’ feature in HTML5 help web developers?
• Which element in HTML5 is used to indicate navigation links within a document?
• What is the purpose of flow control in data communication?
• Which flow control technique allows the receiver to inform the sender about its buffer status?
• In Stop-and-Wait flow control, what happens if the sender does not receive an acknowledgment for a transmitted frame?
• What is the purpose of error control in data communication?
• Which error detection technique involves appending redundant bits to the data to be transmitted?
• Which error correction technique is capable of correcting single-bit errors and detecting two-bit errors?
• What is the purpose of the "Attention" mechanism in deep learning models?
• POSIX is an acronym for ?
• _______is the machine learning algorithms that can be used with unlabeled data?
• Real World Machine learn using?
• Which among the following algorithms are used in Machine learning?
• Which is a part of machine learning that works with neural networks?
• State Yes or No Overfitting is a type of modelling error which results in the failure to predict future observations effectively or fit additional data in...
• Which machine learning models are trained to make aseries of decisions based on the rewards and feedback they receive for their actions
• Real-Time decisions, Game AI, Learning Tasks, Skill acquisition, and Robot Navigation are applications of
• The Bayes rule can be used in
• ___________ algorithms enable the computers to learn from data, and even improve themselves, without being explicitly Programmed
• Which of the following is not a supervised learning?
• With what command you can see what folder you are in?
• What command do you have to use to go to the parent directory?
• With what command you can see your user name?
• Which of the following is NOT proper shell name?
• To change mode of myfile to 'rwxr–r–'  , the command used is
• Fork() command is used to create a new process. State true or false.