9. Exploring the Functions of Routing Flashcards
Networks to which a router is attached are called what?
Local or Directly Connected networks.
List the four primary types of memory found in routers.
RAM, NVRAM, ROM, Flash.
List the Two Primary Functions of a Router.
Path Determination and Packet Forwarding.
What do Routers use to determine how to forward packets?
A Routing Table.
Which routing table element describes the IPv4 address of the successive neighboring device?
Next Hop
List the four types of entries that might be found in a routing table.
- Directly Connected Networks
- Dynamic Routes
- Static Routes
- Default Routes.
List the three parts of a directly connected routing table entry.
- Route Source
- Destination Network
- Outgoing Interface
List the seven parts of a dynamic routing table entry.
- Route Source
- Destination Network
- Adminitrative Distance
- Metric
- Next-hop
- Route time stamp
- Outgoing Interface
Route Entries that are manually entered directly into the configuration of the router are called what?
Static Routes
This is an optional entry used by the router if a packet does not match any other entry.
Default Route
What is Administrative Distance?
Administrative Distance represents the “Trust-Worthiness” or a route.
What is the Administrative Distance of a Static Route?
1
Given separate routes to the same destination, a router will pick the route with the ________ administrative distance.
Lowest
What is the Administrative Distance of a Directly Connected Network?
0
The routing table entry whose leading address bits matches the largest number of the packet destination address bits is called what?
The Longest Prefix Match.