Practice IT Networking Questions and Answers

• What is the purpose of virtual memory?
• What is a "page fault" in the context of virtual memory?
• What does the "Model" represent in the MVC architecture?
• What is the primary role of the "View" in the MVC architecture?
• What is the primary responsibility of the "Controller" in the MVC architecture?
• Which component in the MVC architecture communicates directly with the database?
• What is a key benefit of using the MVC architecture in software development?
• What is the primary purpose of RAID (Redundant Array of Independent Disks) technology?
• Which storage technology provides high-speed, non-volatile data storage but is volatile and temporary in nature?
• What is the purpose of a Storage Area Network (SAN)?
• Which storage technology uses optical discs to store data and is commonly used for distributing software, movies, and music?
• What is the main advantage of Network Attached Storage (NAS) technology?
• What is the primary purpose of data deduplication in storage management?
• Which cryptographic system uses two different keys for encryption and decryption?
• What is the primary advantage of using public key cryptography over symmetric key cryptography?
• Which key is kept secret and known only to the owner in a public key pair?
• What is the main purpose of a digital signature in public key cryptography?
• How does public key cryptography address the issue of secure key exchange?
• Which cryptographic process involves applying a mathematical function to generate a fixed-size output from variable-size input?
• What is the primary role of lexical analysis in the compilation process?
• 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?