Routing Process and Concepts
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Questions and Answers

What is the next hop for a packet when the destination is on the same network as the source?

  • Destination IP (correct)
  • Next router
  • Physical distance
  • Network mask

    • What information is used in a routing table to match the destination IP to the network ID?

  • Interface
  • Network address (correct)
  • Next hop address
  • Life time

    • What determines the routing decision based on cost?

  • Load
  • Life time
  • Congestion (correct)
  • Physical distance

    • Which metric indicates the delay in processing a packet over a given route?

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

    What does the network mask in a routing table represent?

    <p>Match the destination IP to the network ID</p> Signup and view all the answers

    In host routing, what is used as the next hop when the destination is connected to the same network as the source?

    <p>Destination IP</p> Signup and view all the answers

    What happens to bandwidth as network traffic increases?

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

    What does a default route indicate when a specific network ID or host address is not found?

    <p>Use the destination 0.0.0.0 with subnet mask 0.0.0.0</p> Signup and view all the answers

    What is the purpose of dynamic routing?

    <p>Adjust routes based on network changes and failures</p> Signup and view all the answers

    What is the role of routers in observing attached links?

    <p>Report interface errors</p> Signup and view all the answers

    What is the purpose of maximum transmission unit (MTU)?

    <p>Fragment large packets</p> Signup and view all the answers

    What are some problems associated with static routing as networks grow?

    <p>Delivery failure due to link failures</p> Signup and view all the answers

    How do routers build their routing tables in dynamic routing?

    <p>By exchanging information with other routers</p> Signup and view all the answers

    What is the significance of longest mask matching in routing tables?

    <p>Sorts routing table entries based on longest masks first</p> Signup and view all the answers

    How does the MTU impact packet transmission?

    <p>It determines the optimal packet size for fragmentation</p> Signup and view all the answers

    Routing tables contain the destination address and the corresponding port.

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

    Host routing is used when the destination is on the same network as the source.

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

    Indirect delivery is used when the destination and the source are on the same network.

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

    The routing decision is based on the least cost path.

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

    Network mask is used to match the destination IP to the network ID in a routing table.

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

    The next hop address in a routing table indicates the address of the next router to which the packet is delivered.

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

    Bandwidth decreases as network traffic increases.

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

    Routers report problems such as link failures and interface errors to determine reliability.

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

    The default route is used when a specific network ID or host address is not found.

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

    Static routing is easy to troubleshoot due to low overhead and no run time updates.

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

    Dynamic routing requires updating and calculating to find the best routes.

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

    The longest mask matching principle sorts the routing table from the longest mask to the shortest mask.

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

    If a packet arrives for network 4 with IP 140.24.7.200, it will be routed correctly from interface m1.

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

    If a /24 subnet mask was before a /26 subnet mask in the routing table, a packet for network 4 with IP 140.24.7.200 would be sent back to the sender through m0.

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

    Dynamic routing can adapt to network changes such as adding or removing devices and changing device locations.

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

    Bandwidth remains constant regardless of network traffic.

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

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