ACSP Routing Protocols & IP Addressing 5

Question 1

Which ArubaOS-CX command verifies that a static route has been successfully installed in the forwarding plane?

Accepted Answer

show ip fib

Answer

The 'show ip fib' command displays the Forwarding Information Base, confirming routes are programmed into hardware for actual packet forwarding.

Question 2

A network uses the address block 10.0.0.0/8 and needs to create 100 subnets with at least 500 hosts each. Which subnet mask satisfies both requirements?

Accepted Answer

/23

Answer

A /23 provides 512 host addresses (510 usable) and allows up to 128 subnets within 10.0.0.0/8, satisfying both requirements.

Question 3

In BGP, what is the effect of prepending your own AS number multiple times to the AS_PATH attribute before advertising a route?

Accepted Answer

It makes the path appear longer, making it less preferred by external peers

Answer

AS path prepending artificially lengthens the AS_PATH, making the route less preferred by BGP peers that use AS path length as a selection criterion.

Question 4

On ArubaOS-CX, which command enables OSPF on a specific interface rather than using the 'network' command under the OSPF process?

Accepted Answer

ip ospf area 0.0.0.0

Answer

ArubaOS-CX supports interface-level OSPF activation using 'ip ospf area <area-id>' configured directly on the interface.

Question 5

Which address does an IPv6 host use when communicating with the DHCPv6 server during stateful address assignment?

Accepted Answer

The link-local address as the source

Answer

DHCPv6 messages are sourced from the host's link-local address since a global unicast address has not yet been assigned.

(ACSP) Aruba Certified Switching Professional Practice Test

(ACSP) Aruba Certified Switching Professional Practice Test

ACSP Routing Protocols & IP Addressing 5