6. IP Routing Essentials

Question 1

How do distance vector protocols work?

Answer 1

By advertising the route to their neighbor from their own perspective

Question 2

What are the enhancements of EIGRP?

Answer 2

• Faster convergence
• Only updates when a change occurs
• Hellos

Question 3

What does EIGRP advertises?

Answer 3

• Delay

- Bandwitdh

Question 4

How do link-state protocol work?

Answer 4

Advertises the link-state and link metric for each of its connected links and directly connected routers

Question 5

How do path vector protocol work?

Answer 5

Uses path attributes

Question 6

How does a router identify a path for a packet?

Answer 6

It evaluates the prefix length in the FIB

Question 7

What are the 3 main components for path selecion?

Answer 7

• Prefix length
• Administrative distance
• Metrics

Question 8

What prefix is preferred when routing?

Answer 8

The longest prefix (/32 over /30 etc)

Question 9

What is a recursive static route?

Answer 9

When the next hop ip is added in the command

10.0.0.1 255.0.0.0 9.0.0.1

Question 10

What is a fully static route?

Answer 10

When the next hop ip and outgoing interface is added in the command

10.0.0.1 255.0.0.0 9.0.0.1 gi 0/1