Understanding Computer Networks

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Questions and Answers

What is a network in information technology?

  • A series of interconnected points or nodes (correct)
  • A single point or node
  • A series of standalone devices
  • A collection of offline computers

In a network, how are the points or nodes connected?

  • By electrical circuits
  • Through individual communication lines
  • By physical barriers
  • By communication paths (correct)

What characterizes a network in information technology?

  • Offline components
  • Multiple independent systems
  • Isolated devices
  • Interconnected components (correct)

Which of the following best describes the structure of a network in IT?

<p>Points or nodes connected by paths (B)</p> Signup and view all the answers

What differentiates a network from individual devices in IT?

<p>Existence of interconnected nodes (C)</p> Signup and view all the answers

What type of communications require each end point to be able to transmit in order to communicate?

<p>Connection-oriented (A)</p> Signup and view all the answers

In which type of communications is it necessary for every end point to have the ability to send data for successful communication?

<p>Point-to-Point (D)</p> Signup and view all the answers

What is a key requirement for communication in a connection-oriented network?

<p>Bidirectional data transmission (B)</p> Signup and view all the answers

Which type of network demands that all communicating devices must be capable of transmitting data?

<p>Connection-oriented (B)</p> Signup and view all the answers

What characteristic distinguishes connection-oriented communications from other types of networks?

<p>Requirement for both ends to transmit data (A)</p> Signup and view all the answers

What type of topology is formed when two different basic network topologies are connected?

<p>Hybrid topology (A)</p> Signup and view all the answers

Which of the following is not a basic network topology?

<p>Hybrid topology (A)</p> Signup and view all the answers

If a network uses a ring topology and a bus topology together, what type of network setup is being utilized?

<p>Hybrid topology (A)</p> Signup and view all the answers

Which network structure combines the features of point-to-point connections and a central hub?

<p>Star topology (C)</p> Signup and view all the answers

If a network has interconnected devices forming a closed loop and a linear bus connecting other devices, what type of network arrangement is being used?

<p>Hybrid topology (A)</p> Signup and view all the answers

What is one of the purposes of IPv4?

<p>Ensuring data integrity (B)</p> Signup and view all the answers

Which feature of IPv4 helps in protecting data integrity?

<p>Packet checksums (C)</p> Signup and view all the answers

What mechanism in IPv4 prevents data corruption during transmission?

<p>Packet checksums (B)</p> Signup and view all the answers

How does IPv4 safeguard against data errors?

<p>By utilizing packet checksums (B)</p> Signup and view all the answers

Which component in IPv4 contributes to ensuring the accuracy of transmitted data?

<p>Packet checksums (C)</p> Signup and view all the answers

What is a characteristic of data transfer in connectionless communication?

<p>Data is transferred in one direction from source to destination. (D)</p> Signup and view all the answers

How does connectionless communication handle checking if the destination is ready to receive the data?

<p>It sends the data regardless of the destination's readiness. (B)</p> Signup and view all the answers

What distinguishes connectionless data transfer from connection-oriented data transfer?

<p>Connection-oriented data transfer establishes a path between source and destination before data transfer. (B)</p> Signup and view all the answers

How does connectionless communication handle message delivery compared to connection-oriented communication?

<p>Connection-oriented communication verifies the message integrity before delivery. (B)</p> Signup and view all the answers

What happens in connectionless communication if the destination is not available to receive the message?

<p>The message is discarded without any notification to the source. (C)</p> Signup and view all the answers

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