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Practice IT Networking Questions and Answers

Which network topology requires the highest amount of cabling?
In which network topology does data travel in only one direction around the loop?
Which network topology is commonly used in Ethernet local area networks (LANs)?
Which layer of the OSI model is responsible for establishing, managing, and terminating network connections?
Which layer of the OSI model provides flow control, error checking, and reliability in data transmission?
Which layer of the OSI model is responsible for addressing and routing data across multiple networks?
Which layer of the OSI model is responsible for converting data into a format suitable for transmission over the network?
Which layer of the OSI model provides services for file transfer, email, and network management?
Which layer of the OSI model is responsible for encrypting and decrypting data for security purposes?
Which layer of the OSI model deals with electrical, mechanical, and physical aspects of data transmission?
Which layer of the OSI model interacts directly with the user or application software?
What is the unit of electric current?
What is the basic component of an electronic circuit that restricts the flow of current?
Which type of circuit allows current to flow in only one direction?
Which component is used to store electric charge in an electronic circuit?
What is the SI unit of electric potential difference?
Which component amplifies or switches electronic signals and is a fundamental building block of modern electronic devices?
Which circuit configuration has a single path for current flow?
Which component allows current to flow in one direction and blocks it in the opposite direction?
Which type of memory can be both read from and written to by the processor?
Which type of memory is faster to access and closer to the processor, providing temporary storage for frequently used data?
Which type of memory can be electrically erased and reprogrammed in blocks or sectors?
Which type of memory is pre-programmed with data during the manufacturing process and cannot be modified?
Which type of memory is designed to provide high-speed access to frequently used data and instructions?
Which type of memory is used for firmware and contains the initial boot-up instructions for a computer system?
Which command is used to create a new file in a Unix/Linux system?
Which command is used to display the contents of a file in a Unix/Linux system?
Which command is used to rename a file in a Unix/Linux system?
Which command is used to delete a file in a Unix/Linux system?
Which command is used to copy a file from one location to another in a Unix/Linux system?
Which command is used to change the permissions of a file in a Unix/Linux system?
Which command is used to search for a specific pattern in a file in a Unix/Linux system?
Which command is used to append the contents of one file to another file in a Unix/Linux system?
Which command is used to sort the lines of a file in a Unix/Linux system?
Which command is used to count the number of lines, words, and characters in a file in a Unix/Linux system?
Which of the following is a boolean function?
How many possible boolean functions can be defined on n variables?
Which boolean operator represents logical AND?
The truth table for a boolean function with two variables, A and B, has four rows. How many different boolean functions can be defined with two variables?
Which of the following is the boolean expression for the XOR function?

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