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IT Networking

Practice IT Networking Questions and Answers

Question Listing

The symbol for a NAND gate is an AND gate followed by a:
The truth table for an XOR gate has an output of 1 when:
Which logic gate produces an output that is the logical sum of two or more inputs?
The truth table for a NOR gate has an output of 0 when:
Which logic gate produces an output that is the logical complement of the OR operation?
The symbol for a NOT gate is a:
What is an ER diagram used for?
Which component of an ER diagram represents an entity?
In an ER diagram, what does a diamond shape represent?
Which relationship type indicates that an entity is associated with at least one instance of another entity?
Which cardinality notation represents a mandatory relationship?
In an ER diagram, what does a double line connecting two entities represent?
Which component of an ER diagram represents an attribute?
What does a crow's foot notation represent in an ER diagram?
Which relationship type indicates that an entity is associated with exactly one instance of another entity?
Which notation is used to represent a weak entity in an ER diagram?
Which network topology connects all nodes in a linear fashion?
In which network topology does each node have a direct connection to every other node?
Which network topology uses a central node to connect all other nodes?
In which network topology is the failure of a single node least likely to disrupt the entire network?
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?

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