OSI Model and Network Protocols Quiz
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Questions and Answers

Which layer of the OSI model is responsible for end-to-end communication and data flow control?

  • Application Layer
  • Physical Layer
  • Transport Layer (correct)
  • Data Link Layer
  • What is the purpose of the ARP (Address Resolution Protocol) in a network?

  • To route data between networks
  • To map an IP address to a MAC address (correct)
  • To manage network congestion
  • To establish a secure connection
  • Which protocol is used for secure communication over a computer network?

  • HTTP
  • DNS
  • SSL/TLS (correct)
  • FTP
  • What is the primary function of a router in a network?

    <p>Determine the best path for data packets between networks</p> Signup and view all the answers

    Which subnet mask is associated with the most host addresses in a Class C network?

    <p>255.255.255.0</p> Signup and view all the answers

    What is the purpose of DNS (Domain Name System) in a network?

    <p>To translate domain names to IP addresses</p> Signup and view all the answers

    What is the primary function of a firewall in a network?

    <p>To prevent unauthorized access to a network</p> Signup and view all the answers

    Which protocol is commonly used for secure file transfer over a network?

    <p>FTPS</p> Signup and view all the answers

    What type of network topology is formed when each node is connected to exactly two other nodes, forming a loop?

    <p>Ring Topology</p> Signup and view all the answers

    Which device operates at the Data Link Layer of the OSI model?

    <p>Switch</p> Signup and view all the answers

    What is the primary purpose of NAT (Network Address Translation)?

    <p>To map private IP addresses to public IP addresses</p> Signup and view all the answers

    Which protocol is used for dynamically assigning IP addresses in a network?

    <p>DHCP</p> Signup and view all the answers

    What is the purpose of ICMP (Internet Control Message Protocol) in a network?

    <p>To diagnose network connectivity issues</p> Signup and view all the answers

    What is the primary function of a repeater in a network?

    <p>To amplify and regenerate network signals</p> Signup and view all the answers

    Which protocol is used for secure communication over a web browser?

    <p>HTTPS</p> Signup and view all the answers

    What is the primary purpose of a proxy server in a network?

    <p>To filter and forward network traffic</p> Signup and view all the answers

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