ACA Aruba Associate Troubleshooting & Diagnostics 3

Question 1

What does a spanning-tree topology change notification indicate on an Aruba switch?

Accepted Answer

A port state change that may temporarily disrupt traffic and trigger MAC address table flushes

Answer

A spanning tree topology change causes switches to flush their MAC address tables and temporarily flood traffic until the table is rebuilt.

Question 2

Which Aruba diagnostic tool performs active tests simulating real user traffic to measure network performance?

Accepted Answer

Aruba Central Network Tests

Answer

Aruba Central Network Tests perform synthetic active measurements simulating real user traffic to identify performance degradation proactively.

Question 3

What is the most likely cause when a DHCP client cannot obtain an IP address?

Accepted Answer

DHCP server unreachable, scope exhaustion, or missing DHCP helper-address on the router

Answer

DHCP failures are typically caused by the DHCP server being unreachable, the IP scope being exhausted, or a missing relay agent on the router.

Question 4

What does 'flapping' mean in the context of network interfaces or routing protocol neighbors?

Accepted Answer

A port or neighbor repeatedly going up and down in rapid succession

Answer

Flapping describes an interface, link, or routing neighbor that repeatedly cycles between up and down states, causing instability and repeated reconvergence.

Question 5

What information does the show ap debug client-table command provide on an Aruba controller?

Accepted Answer

Per-client association details including signal, data rate, and authentication state

Answer

The show ap debug client-table command on an Aruba controller displays per-client details including signal strength, transmit/receive rates, and authentication state.

(ACA) Aruba Certified Associate Certification Practice Test

(ACA) Aruba Certified Associate Certification Practice Test

ACA Aruba Associate Troubleshooting & Diagnostics 3