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

Which unit is used to measure bandwidth?

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

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

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

How is a bit usually represented?

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

What does the 'Ping' utility function help determine?

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

Which network performance aspect would traceroute help diagnose?

<p>Routing issues (C)</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 (A)</p> Signup and view all the answers

How is network performance quantified?

<p>By the speed and delay of communication in the network (B)</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 (C)</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 (D)</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 (B)</p> Signup and view all the answers

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

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

What type of topology results from combining different topologies?

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

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

<p>POP3 (B)</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 (A)</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 (D)</p> Signup and view all the answers

Which protocol is used for secure file transfer between computers?

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

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