ACA Aruba Associate Routing Protocols 3

Question 1

What is a floating static route?

Accepted Answer

A static route with a higher administrative distance used as a backup when the primary route fails

Answer

A floating static route has a higher administrative distance than the primary route so it only appears in the routing table when the primary route is removed.

Question 2

What protocol does OSPF use at the IP layer for neighbor communication?

Accepted Answer

IP Protocol 89

Answer

OSPF uses IP Protocol number 89 for all communication including hello packets, LSAs, and database exchange between neighbors.

Question 3

In the context of Aruba routing, what is a VLAN interface (SVI) used for?

Accepted Answer

To route traffic between VLANs at Layer 3 on a multilayer switch

Answer

A VLAN interface (Switch Virtual Interface) provides a Layer 3 IP address for a VLAN, enabling inter-VLAN routing on a multilayer switch.

Question 4

What is the maximum valid hop count in RIPv2 before a route is considered unreachable?

Accepted Answer

15

Answer

RIPv2 has a maximum valid hop count of 15; a metric of 16 means the destination is unreachable and the route is not installed.

Question 5

Which routing concept prevents a router from sending routing updates back out the interface from which they were received?

Accepted Answer

Split horizon

Answer

Split horizon prevents routing loops by not advertising a route back out the same interface through which it was learned.

(ACA) Aruba Certified Associate Certification Practice Test

(ACA) Aruba Certified Associate Certification Practice Test

ACA Aruba Associate Routing Protocols 3