Introduction to Blockchain: Key Concepts,
Types, and Network Structures Exam
UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
What is data in computing? - CORRECT ANSWER Information translated into a form efficient
for movement or processing, represented as binary values (1 and 0).
What is a bit? - CORRECT ANSWER The smallest unit of data, representing a single value.
What is a database? - CORRECT ANSWER An organized collection of structured information
or data, typically stored electronically and controlled by a database management system (DBMS).
What does computer networking refer to? - CORRECT ANSWER Interconnected computing
devices that can exchange data and share resources using communications protocols.
What are nodes in a computer network? - CORRECT ANSWER Basic building blocks that can
be data communication equipment (DCE) like modems or data terminal equipment (DTE) like
computers.
What is a link in networking? - CORRECT ANSWER The transmission media connecting two
nodes, which can be physical (like cables) or wireless.
What characterizes a centralized network? - CORRECT ANSWER A network controlled by a
central authority that manages users and processes, where failure of the central server can bring down
the network.
Give an example of a centralized network. - CORRECT ANSWER Platforms like Facebook and
youtube, where a single entity controls all data and processes.
What is a decentralized network? - CORRECT ANSWER A network configuration with
multiple authorities, where no single entity controls the entire network, making it more resilient to
attacks.
Types, and Network Structures Exam
UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
What is data in computing? - CORRECT ANSWER Information translated into a form efficient
for movement or processing, represented as binary values (1 and 0).
What is a bit? - CORRECT ANSWER The smallest unit of data, representing a single value.
What is a database? - CORRECT ANSWER An organized collection of structured information
or data, typically stored electronically and controlled by a database management system (DBMS).
What does computer networking refer to? - CORRECT ANSWER Interconnected computing
devices that can exchange data and share resources using communications protocols.
What are nodes in a computer network? - CORRECT ANSWER Basic building blocks that can
be data communication equipment (DCE) like modems or data terminal equipment (DTE) like
computers.
What is a link in networking? - CORRECT ANSWER The transmission media connecting two
nodes, which can be physical (like cables) or wireless.
What characterizes a centralized network? - CORRECT ANSWER A network controlled by a
central authority that manages users and processes, where failure of the central server can bring down
the network.
Give an example of a centralized network. - CORRECT ANSWER Platforms like Facebook and
youtube, where a single entity controls all data and processes.
What is a decentralized network? - CORRECT ANSWER A network configuration with
multiple authorities, where no single entity controls the entire network, making it more resilient to
attacks.
