Understanding Network Performance Metrics
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Questions and Answers

What does 'Destination net unreachable' indicate?

  • The network resources are easily accessible
  • There is a problem with the router or the down IP address being reached (correct)
  • The router has responded within the maximum allotted time
  • The data packets are still traveling within the network

    • What does an '∗' symbol in RTT columns signify?

  • The router responded to the request within the maximum allotted time
  • The network is experiencing high traffic
  • The data packets are being transmitted efficiently
  • The router did not respond to the request within the maximum allotted time (correct)

    • Which network model involves each computer communicating directly with other computers, with no centralized control?

  • Client-server model
  • Bus topology network model
  • Ring topology network model
  • Peer-to-peer (P2P) network model (correct)

    • What is the key characteristic of a client-server network model?

    <p>Data or services are requested from a server by a client computer</p> Signup and view all the answers

    What happens in a network with a Peer-to-Peer Model?

    <p>Each computer has equal authority and can act as both client and server</p> Signup and view all the answers

    What is the main purpose of using the Traceroute network diagnostic tool?

    <p>To track the path of a packet from your computer to a destination</p> Signup and view all the answers

    Which unit is used to measure bandwidth?

    <p>Bits per second</p> Signup and view all the answers

    What does 'Request timed out' in Traceroute results typically indicate?

    <p>Firewall or security device blocking requests</p> Signup and view all the answers

    How is a bit usually represented?

    <p>'0' or '1'</p> Signup and view all the answers

    What does the 'Ping' utility function help determine?

    <p>Round trip delay time</p> Signup and view all the answers

    Which network performance aspect would traceroute help diagnose?

    <p>Routing issues</p> Signup and view all the answers

    What is the purpose of a computer network?

    <p>To enable computing devices to communicate and share resources</p> Signup and view all the answers

    How is network performance quantified?

    <p>By the speed and delay of communication in the network</p> Signup and view all the answers

    What is a protocol in the context of networking?

    <p>A set of rules ensuring communication among network devices from different manufacturers</p> Signup and view all the answers

    What is one-way delay in network communication?

    <p>The time taken for a message to travel from sender to receiver</p> Signup and view all the answers

    What is the OSI model in networking?

    <p>A seven-layer model that defines how applications communicate over a network</p> Signup and view all the answers

    In networking, what is the key element defining network speed?

    <p>The round trip delay between devices</p> Signup and view all the answers

    Which topology is formed when three switches are daisy-chained together in a single line?

    <p>Bus topology</p> Signup and view all the answers

    What type of topology results from combining different topologies?

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

    Which type of network spans a range of 5 - 50 km in diameter?

    <p>Metropolitan area network (MAN)</p> Signup and view all the answers

    Which type of network spans a region with a radius of 100,000 km, such as a state, country, or continent?

    <p>Wide area network (WAN)</p> Signup and view all the answers

    What is the largest type of network that can connect LANs spread over vast geographical areas?

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

    Which protocol is used for sending emails from a client to a recipient's email server?

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

    What protocol is used to access emails from the server to clients?

    <p>POP3</p> Signup and view all the answers

    What does a switch do in a network?

    <p>Regulates traffic and directs data to its intended destination</p> Signup and view all the answers

    What is the main purpose of a Network Interface Card (NIC)?

    <p>Connects a computer to a network</p> Signup and view all the answers

    Which protocol is used for secure file transfer between computers?

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

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