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

What happens to bandwidth as network traffic increases?

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

What is the purpose of dynamic routing?

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

What is the role of routers in observing attached links?

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

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

<p>Fragment large packets (C)</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 (A)</p> Signup and view all the answers

How do routers build their routing tables in dynamic routing?

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

How does the MTU impact packet transmission?

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

Routing tables contain the destination address and the corresponding port.

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

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

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

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

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

The routing decision is based on the least cost path.

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

Bandwidth decreases as network traffic increases.

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

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

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

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

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

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

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

Bandwidth remains constant regardless of network traffic.

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

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