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The router table contains addresses belonging to ___________ protocol(s).
1. a single
2. two
3. multiple
4. none of the options

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Correct Answer - Option 1 : a single

The router table contains addresses belonging to a single protocol 

 

There are two kinds of routing protocols:

  1. Distance vector
  2. Link state

Routing tables are used to find out the next hop addresses and destination addresses.

Routing Table:
A routing table is a set of rules, often viewed in table format, that is used to determine where data packets traveling over an Internet Protocol (IP) network will be directed. All IP-enabled devices, including routers and switches, use routing tables. 

The entry corresponding to the default gateway configuration is a network destination of 0.0.0.0 with a network mask (netmask) of 0.0.0.0. The Subnet Mask of default route is always 255.255.255.255 .

A routing table contains the information necessary to forward a packet along the best path toward its destination. 

Each entry in the routing table consists of the following entries:

Network ID: The network ID or destination corresponding to the route.

Subnet Mask: The mask that is used to match a destination IP address to the network ID.

Next Hop: The IP address to which the packet is forwarded

Outgoing Interface: Outgoing interface the packet should go out to reach the destination network.

Metric: A common use of the metric is to indicate the minimum number of hops (routers crossed) to the network ID.

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