18 Questions
Explain the difference between dynamic routes and static routes in terms of resource usage.
Dynamic routes cost you in terms of router CPU processes and bandwidth on the network links, whereas static routes do not use them.
What happens to a packet if its destination is not known by the router's routing table?
The packet is sent to the default route.
Explain the concept of Administrative Distance (AD) in routing.
Administrative Distance is a value used by routers to determine the best path when there are multiple routes to the same destination from different routing protocols.
How does a router decide which route to install in the routing table when there are multiple paths to the same destination?
The router uses Administrative Distance (AD) to determine the best path.
In the context of routing protocols, what is the purpose of Metric?
Metric is used to choose between multiple paths learned within the same routing protocol.
Which routing protocol will select the route based on Administrative Distance (AD) rather than Metric?
RIP (Routing Information Protocol)
What does the term 'routing' refer to in computer networks?
Routing is the process of moving packets across an internetwork from a source to a destination by finding the best path.
Define 'routing protocol' and provide an example.
A routing protocol is used to determine or establish the path of a packet through an internetwork. Example of routing protocols include RIP, IGRP, EIGRP, OSPF.
What is an 'Autonomous System' in networking?
An Autonomous System is a group of networks under the control of a single administrator.
Differentiate between 'routed protocol' and 'routing protocol'.
Routed protocols are used to send user data packets through established networks, while routing protocols determine the path of packets through the network.
Explain the concept of 'administrative distance' in routing.
Administrative distance is a measure used by routers to select the best path when multiple routes to the same destination exist.
What is the purpose of a 'default route' in routing?
A default route is used when a router does not have a specific route in its routing table for a destination.
What is the main difference between Interior Gateway Protocol (IGP) and Exterior Gateway Protocol (EGP)?
IGP is used to find network path information within an Autonomous System, while EGP is used to find network path information between different Autonomous Systems.
What is the significance of the maximum hop count in RIP and IGRP?
RIP has a default maximum hop count of 15, making 16 unreachable, while IGRP has a default maximum hop count of 100 with a maximum of 255.
What is the primary difference in the metric calculation between RIP, IGRP, and OSPF?
RIP uses hop count, IGRP uses bandwidth and delay, while OSPF uses a cost factor.
What is the purpose of a static route in routing?
A static route is manually entered by the network administrator into the router to specify a fixed path to a destination network.
Explain the difference between a dynamic route and a static route.
Dynamic routes are automatically assigned by the routing protocol, while static routes are manually configured by the network administrator.
How does a routing protocol select the best route to a destination network?
A routing protocol selects the best route based on factors like hop count, bandwidth, delay, or cost factor depending on the protocol in use.
Test your knowledge on dynamic and static routing in computer networking. Learn about the differences between dynamic routes and static routes, and understand concepts such as default routes and routing table lookups.
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